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TM-1-4920-458-13-and-P

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1. 4 34 RATE OF CLIMB INDICATOR 4 17 RATE OF CLIMB TWO WAY SHUT OFF 4 21 DIODE PLATE eee tesque eda Duet e eta 4 39 RIGID PRESSURE LINES 4 42 SOLENOID VALVES citt etes eter enter ende e e dta 4 44 TOGGEE SWITGEL iiis ete e e e da 4 26 TRANSFORMER 4 36 VACUUM TWO WAY SHUT OFF 4 24 REPAIR PARES 35 dette ttp iba 3 5 REPAIR PARTS AND SPECIAL TOOLS 5 APPENDIX C REPAIR PARTS SPECIAL TOOLS TMDE AND SUPPORT EQUIPMENT GENERAL 4 1 MAINTENANCE OPERATIONS as 4 2 TOOLS AND TEST EQUIPMENT 5 4 3 REPAIR PART Sutone 02 52 022 tette t dad hdd dt k k dt dad 4 4 REPAIR WIRING HARNESS 4 40 TM 1 4920 458 13 amp P INDEX Subject Paragraph R CONT REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIRS 1 5 S SERVICE UPON RECEIPT GENERALS AM LO uS 3 6 amp 4 5 SHUTDOWN PROCEDURES 2 7 SPECIAL
2. 4 38 PRESSURE THREE WAY SELECTOR VALVE 4 20 PUMP AND OR MOTOR 8 4 34 RATE OF CLIMB INDICAT u a auqa 4 17 RATE OF CLIMB TWO WAY SHUT OFF VALVE 4 21 BIODE PLATE 4 39 RIGID PRESSURE LINES TYPICAL E Mna 4 42 SOLENOID VALVE S canst EE 4 44 TOGGLE SWIT is ee eee 4 26 TRANSEQRMER hah hayata 4 36 VACUUM TWO WAY SHUT OFF bi ba 4 24 INSTRUMENT CONTROLS bett ob bd 2 3 K KNOB SEE VALVES L LOCATION AND DESCRIPTION OF MAJOR COMPONENTS 1 8 4 8 PUBRICATION LEVEL CHECK 2 10 Index 3 TM 1 4920 458 13 amp P INDEX Subject Paragraph M MAINTENANCE ALLOCATION nennen nennen nnn nnne nnne APPENDIX B MAINTENANCE FORMS RECORDS AND 1 2 MAINTENANCE OPERATIONS xta 3 2 MAINTENANCE PROCEUDRES GENERAL een emen 4 15 MANUFACTURED Ti i teh th b tbt puc APPENDIX E OPERATION UNDER USUAL CONDITIONS OPERA TING
3. APPENDIX WIRING HARNESS REPAIR 4 40 Index 8 TM 1 4320 458 13 amp P By Order of the Secretary of the Army GORDON R SULLIVAN General United States Anny MILTON H HAMILTON Administrative Assistant to the Secretary of the Amy Da784 DISTRIBUTION To be distributed in accordance with DA Form 12 31 block no 3430 requirements for 1 4520 458 13 amp P RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS SOMETHING WRONG WITH PUBLICATION FROM PRINT YOUR UNIT S COMPLETE ADDRESS DOWN THE DOPE ABOUT IT ON THIS FORM CAREFULLY TEAR IT QUT FOLD IT AND DROP IT IN THE MAIL pa GO C SENT IET ao IN THIS SPACE TELL WHAT IS WRONG I AND WHAT SHOULD BE DONE ABOUT IT PRINTED NAME GRADE OR TITLE AND TELEPHONE NUMBER SIGN HERE DA Pd ro 2028 2 PREVIOUS EDITIONS P S IF YOUR OUTFIT WANTS TO KNOW ABOUT YOUR JUL 79 ARE OBSOLETE RECOMMENDATION MAKE A CARBON COPY OF THIS AND GIVE IT TO YOUR HEADQUARTERS The Metric System and Equivalents Linear Measure 1 centimeter 10 millimeters 39 inch 1 decimeter 10 centimeters 3 94 inches 1 meter 10 decimeters 39 37 inches 1 dekameter 10 meters 32 8 feet 1 hectometer 10 dekameters 328 08 feet 1 kilometer 10 hectometers 3 280 8 feet Weights 1 centigram lt 10 milligrams z 15 grain 1 decigram z 10 centigrams z 1 54 grains 1 gram z
4. 7 4 TM 1 4920 458 13 amp P EXPLANATION OF COLUMNS SECTION IV a NATIONAL STOCK NUMBER NSN INDEX 1 3 STOCK NUMBER COLUMN This column lists the NSN by National Item Identification Number NIIN sequence The NIIN consists of the last nine digits of the NSN example 5305 01 674 1467 NIIN When using this column to locate an item ignore the first 4 digits of the NSN However the complete NSN should be used when ordering items by stock number FIG Column this column lists the number of the figure where the item is identified located The figures are in numerical order in Section Il and Section Ill ITEM Column The item number identifies the item associated with the figure listed in the adjacent FIG column This item is also identified by the NSN listed on the same line b PART NUMBER INDEX Part numbers in this index are listed by part number in ascending alphanumeric sequence i e vertical arrangement of letter and number combination which places the first letter of digit of each group in order A through Z followed by the numbers 0 through 9 and each following letter or digit in like order 1 CAGE Column Commercial and Government Entity Code CAGE is a 5 digit alohanumeric code used to identify the manufacturer distributor or Government agency etc that supplies the item PART NUMBER Column Indicates the primary number used by the manufacturer individual firm corporation or Government
5. 3 c Install two hoses 6 to elbow fittings 7 and remove tags d Position valve 3 into panel 5 and secure with four mounting screws 4 e Place handle 1 on valve 3 and orient to OPEN position f Install screw 2 through handle 1 to valve 3 4 23 3 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 23 TM 1 4920 458 13 amp P 4 24 REMOVE AND REPLACE VACUUM TWO WAY SHUT OFF VALVE Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Shut off valve Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open ROTATED FOR CLARITY GO TO NEXT PAGE 4 24 4 24 4 24 1 e f 4 24 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE VACUUM TWO WAY SHUT OFF VALVE Cont Sheet 2 of 2 REMOVAL Position handle 1 to OFF position Remove screw 2 from end of handle 1 and remove handle 1 from valve 3 NOTE Prior to removal of valve note location of elbow fittings in relation to control panel Remove four mounting screws 4 from panel 5 and remove valve 3 from panel 5 Tag and disconnect two hoses 6 from fittings 7 on valve 3 Remove two fittings 7 and plug 8 from valve 3 INSTALLATION Apply Sealube D6 to fittings 7 and plug 8 before installing into valve 3 Install two fittings 7 and plug 8 to valve 3 Connect two
6. 59413 59413 4 PART NUMBER MS35059 22 14 10012 AN822 3D 14 10001 AN913 ID 14 10011 14 10001 AN822 3D 98 10011 M535649 264 66 10095 M535233 38 92 10116 M53102R18 1P M535233 17 62 10073 62 10074 62 10075 62 10076 80 10145 AN929A4D 42 10010 AN6270 3D0100 AN824 3D AN6270 3 0030 AN6270 3 120 AN6270 3D0180 AN6270 3D0150 92 10137 MS20470A4 6 51 10016 51 10015 62 10051 51 10013 92 10135 51 10013 62 10059 2 51 10015 55 10078 47 10014 16 10010 92 10136 51 10013 35 10045 51 10015 51 10016 MS20470A4 6 92 10141 62 10059 1 51 10013 5 DESCRIPTION AND USABLE ON CODES UOC QTY TM 1 4920 458 13 amp P 6 SWITCH TOGGLE VACUUM SELECTOR Ne PLUG aite SCREW MACHINE pp HARNESS ASSEMBLY CONNECTOR SCREW MACHINE pp CAP ASSEMBLY RING KEY CHAIN KEY COUPLING PRESSURE NUT PLAIN HEXAGON eem HOSE ASSEMBLY TUBE 5 ees HOSE ASSEMBLY e HOSE ASSEMBLY HOSE ASSEMBLY e PLATE BACK RING SNAP DOOR ASSEMBLY RIGHT RING SNAP DOOR RIGHT FASTENER SCREW MACHINE eem NUT
7. Remove fuse holder cap 1 and fuse 2 from chassis 3 turning 90 degrees counterclockwise b Remove fuse 2 c Remove spare fuse 4 from spare fuse holder 5 GO TO NEXT PAGE 3 11 TM 1 4920458 13 amp P 3 15 FUSE REMOVAL AND REPLACEMENT Cont Sheet 2 of 2 3 15 2 INSTALLATION a Install fuse 4 into fuse holder 1 and place it into chassis 3 Press down while turning 90 degrees clockwise b Install spare fuse holder 5 into chassis 3 END OF TASK 3 12 TM 1 4920458 13 amp P 3 16 LAMP BULB REMOVAL AND REPLACEMENT ROTATED FOR CLARITY 3 16 1 REMOVAL a and unsolder two wires 1 from light assembly leads 2 b Remove pilot lamp 3 by turning it counterclockwise c Remove mounting nuts 4 from light assembly 5 and remove light assembly 5 from operator panel 6 3 16 2 INSTALLATION a Turn pilot lamp 3 clockwise into light assembly 5 and hand tighten b Install light assembly 5 into operator panel 6 and secure with mounting nuts 4 c Solder two wires 1 to light assembly leads 2 using solder D5 END OF TASK 3 13 TM 1 4920458 13 amp P Section VI Preparation For Storage Or Shipment SECTION CONTENTS PARA PAGE PREPARATION FOR STORAGE 3 17 3 14 PREPARATION FOR SHIPMENT 3 18 3 14 3 17 PREPARATION FOR STORAGE The Pitot and Static Systems Tester may be stored using normal procedures Instructions are provided in TM1 1500 204 23 serie
8. except for those source coded XA or those aircraft support items restricted by requirements of AR 700 42 TM 1 4920458 13 amp P 2 Maintenance Code maintenance code tells you the level s of maintenance authorized to USE and REPAIR support items The maintenance codes are entered in the third and fourth positions of the SMR Code as follows a The maintenance code entered in the third position tells you the lowest maintenance level authorized to remove replace and use an item The maintenance code entered in the third position will indicate authorization to one of the following levels of maintenance unit maintenance LM cl the item F Direct support or aviation intermediate level can remove replace or use the item General support level can remove replace or use the item Specialized repair activity can remove replace or use the item ID Depotlevel can remove replace or use the item 4 TM 1 4920 458 13 amp P b The maintenance code entered in the fourth position tells whether or not the item is to be repaired and identifies the lowest maintenance level with the capability to do complete repair i e perform all authorized repair functions NOTE Some limited repair may be done on the item at a lower level of maintenance if authorized by the maintenance allocation Chart MAC and SMR codes This portion will contain one of the following maintenance codes Application Explanation Organizationa
9. fuse fuseholder indicator light needle valves selector valves shut off valves connector and power cables Refer to the tasks in Chapter 4 jor applicable procedures 3 7 TM 1 4920458 13 amp P Section IV Troubleshooting SECTION CONTENTS GENERAL PITOT AND STATIC SYSTEMS TESTER INSPECTION ACCESSORY STORAGE INSPECTION 3 12 GENERAL Troubleshooting at the Aviation Unit Maintenance AVUM level is limited to checking the system for indications of normal operation and inspecting and replacing AC or DC cables and AC or DC fuses NOTE Electrical components except fuses and power cables are factory calibrated and will not be replaced or interchanged in the field or erroneous readings may result If the unit is inoperative switch to alternate power source AC to DC DC to AC Check the initial power source for availability of power If the source is func tioning inspect the appropriate power cable for signs of damaged shorted or open wiring or a faulty connector If the cable checks are reliable proceed with next task TM 1 4920458 13 amp P 3 13 PITOT AND STATIC SYSTEMS TESTER INSPECTION Personnel Required 68 F Aircraft Electrician Parts Pitot and Static Systems Tester P N 3400 0003 Equipment Condition Power disconnected tester on work bench cover removed a Examine tester cover for damage b Check that all operator panel and accessory components are accounted for and undamaged c Check latc
10. 4 35 4 35 1 e 4 35 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE CAPACITOR Cont Sheet 2 of 2 REMOVAL Remove front screw 1 and nut 2 from front of capacitor clamp 3 Rotate capacitor clamp 3 to access capacitor clamp screw 4 Loosen capacitor clamp screw 4 from capacitor clamp 3 and remove capacitor 5 from clamp 3 Tag and remove five wire connectors 6 from capacitor b by removing two screws 7 Install screws 7 back into capacitor 5 Remove capacitor 5 INSTALLATION Remove two screws 7 from new capacitor 5 and connect five wire connectors 6 to capacitor 5 Install capacitor 5 into capacitor clamp 3 and tighten clamp screw 4 to hold capacitor 5 Remove tags from five wire connectors 6 Rotate clamp 3 and aline Install screw 1 with nut 2 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 47 TM 1 4920 458 13 amp P 4 36 REMOVE AND REPLACE TRANSFORMER Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Transformer Solder D5 Equipment Conditions Power disconnected left side removed front panel removed GO TO NEXT PAGE 4 48 4 36 4 36 1 d 4 36 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE TRANSFORMER Cont Sheet 2 of 2 REMOVAL Tag and unsolder wires 1 2 3 and 4 from transformer leads Remove
11. 458 13 amp P 5 DESCRIPTION AND USABLE ON CODES UOC GROUP 010814 FIGURE 5 BOTTOM PLATE ASSEMBLY 91 10004 PUMP ASSEMBLY SEE FIGURE C 7 NUT PLAIN ee TRANSFORMER eee WIRE GHOUND 0 42 CAPACITO SCREW MACHINE ces CLAMP BRACKET BRACKET SUMP RESERVOIR ASSEMBLY 4 BELLOWS BLOCK ASSY SEHFIGURE 8 WASHER LOCK te t SCREW MACHINE ees SCREW MACHINE eene SCREW MACHINE SCREW MACHINE SCREW MACHINE e siti chi 50 netten RN TUBE FITTING ASSY sees TUBE FITTING ASSY sss TUBE FITTING ASSY sees TUBE FITTING ASSY TUBE FITTING ASSY TUBE FITTING ASSY sees FILTER ASSEMBLY e cene encre ADAPTER STRAIGHT FILTER MODIFIED eee ELBOW FLARED eet FILTER ASSEMBLY e ELBOW FLARED Rs ces Gc deed FILTER MODIFIED eee ADAPTER STRAIGHT 000222411 SOLENOID VALVE ces E
12. 59413 80 10131A CORD ELEG TRIG tte 1 6 XBFZZ 59413 80 10114A sen 1 7 XBFZZ 59413 100 10015 PEUG SE 1 END OF FIGURE C 51 TM1 4920 458 13 amp P NOTES 1 CONNECT PINS AS SHOWN IN THE WIREING SCHEMATIC USE BUSS WIRE LENGTH AS REQUIRED FIGURE C 14 POWER ADAPTER ASSEMBLY 80 10111 C 52 TM1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0106 FIGURE C 14 JPOWER ADAPTER ASSEMBLY 80 10111 1 XBFZZ 59413 100 10001 CLIP BATTERY e 2 2 XBFZZ 59413 100 10002 INSULATOR RUBBER 1 3 XBFZZ 59413 100 10003 INSULATOR RUBBER 1 4 XBFFF 59413 80 10132 CORD 8 FT 11 5 INCH se 1 5 XBFZZ 59413 80 10114 GORD ELEGCTRIG rt evene 1 6 PAFZZ 96906 MS3420 10 SLEEVE INSULATOR 2 222 1 7 PAFZZ 96906 53420 6 SLEEVE INSULATOR e 1 8 PAFZZ 81349 M85049 41 10A CLAMP e 1 9 PAFZZ 96906 MS3456W18 1S CONNECTOR PLUG ee 1 10 XBFZZ 59413 80 10128 WIRE BUSS 1 END OF FIGURE C 53 STOCK NUMBER 5305 00 045 1628 5310 00 045 4007 5305 00 054 6650 5305 00 054 6651 6210 00 143 6611 5305 00 151 0622 6240 00 155 7836 5930 00 166 2016 4730 00 186 7783 4730 00 186 7783 4730 00 186 7783 4730 00 186 7783 4730 00 186 7783 4730 00 186 7783 4730 00 186
13. B2 or Shop Set B4 Equipment Conditions Tester on work bench 4 5 TM 1 4920 45B 13 amp P 4 13 TROUBLESHOOTING PROCEDURE 1 MOTOR AND OR INDICATOR LAMP DOES NOT TURN ON IS FUSE DEFECTIVE CHECK FUSE REPLACE FUSE SEE PARA 3 15 REPLACE MEET LAMP BULB OPERATE SEE PARA 3 18 NO 13 THERE Sane CONTINUITY IN WIRE CONNECTIONS ISOLATE OPEN 15 THERE AN AND CORRECT OPEN IN IS INDICATOR LIGHT DEFECTIVE CHECK BULB WIRING SEE G 1 amp G 2 DIODE REPLACE NO DIODE PLATE SEE OPERATE PARA 4 39 OPERATE SHORT IN CAPACTOR IS MOTOR REPLACE CAPACITOR SHORTED SEE PARA 4 35 NO IS THERE AN OPEN REPLACE OPERATE IN TRANSFORMER MOTOR PUMP PRIMARY WINDINGS SEE PARA 4 33 IS VOLTATE CORRECT REPLACE AT TRANSFORMER TRANSFORMER OPERATE SECONDARY WINDINGS SEE PARA 4 36 REPLACE TRANSFORMER OPERATE OPERATE SEE PARA 4 36 OPERATE TM 1 4920 458 13 amp P 4 14 TROUBLESHOOTING PROCEDURE 2 TESTER DOES NOT BUILD OR HOLD PRESSURE AIRSPEED VACUUM ALTIMETER IS PORT OPEN OR EXTERNAL HOSE DISCONNECTED LOOSE NO NER EE CLOSE PORT OR BROKEN OR CRACKED CONNECT TIGHTEN EXTERNAL HOSE LNO OPERATE IS INTERNAL HOSE HOSE LOOSE CHECK HOSE CONNECTIONS NO OPERATE IS FITTING LOOSE TIGHTEN HOSE CHECK FITTINGS AT COMPONENTS NO OPERATE SEND UNIT TO TIGHTEN FITTING CALIBRATION ACT COMPONENT OPERATE TM 1
14. FIGURE C 47 TM1 4920 458 13 amp P NOTES 1 CONNECT PINS THROUGH J AS SHOWN IN THE WIRING SCHEMATIC USE BUSS WIRE LENGTH AS REQUIRED FIGURE C 12 A C POWER CORD ASSEMBLY 80 10113A TM1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0104 FIGURE C 12 CORD ASSEMBLY 80 10113A 1 PAFZZ 96906 MS3456W18 1S CONNECTOR PLUG ee 1 2 XBFFF 59413 80 10128 WIRE BUSS ate tt centena 1 3 PAFZZ 81349 M85049 41 10A 2 4 PAFZZ 96906 3420 6 SLEEVE INSULATOR e 2 5 PAFZZ 96906 3420 10 SLEEVE INSULATOR ee 1 6 XBFFF 59413 80 10130A CORD 9 FT 2 ees 1 7 XBFZZ 59413 80 10114 ELECTRIC v rettet 1 8 PAFZZ 96906 MS3456W18 5P CONNECTOR PLUG 1 END OF FIGURE C 49 TM1 4920 458 13 amp P FIGURE C 13 A C POWER CORD ASSEMBLY 80 10110 C 50 TM1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0105 EIGURE C 13 POWER CORD ASSEMBLY 80 10110A 1 PAFZZ 96906 MS3456W 18 5S CONNECTOR PLUG zu uuu uu rte 1 2 PAFZZ 81349 M85049 41 10A 1 3 PAFZZ 96906 MS3420 6A SLEEVE INSULATOR 1 4 PAFZZ 96906 MS3420 10 SLEEVE INSULATOR 1 5 XBFFF
15. Open Control needle valve to selector valve to test instrument selected Use small turn to obtain desired deflections and continue opening to obtain maximum deflection of both instrument on tester panel and instrument under test TM 1 4920 458 13 amp P 2 7 SHUTDOWN PROCEDURE To disconnect instrument under test and shut down Tester After test open applicable bleed needle valve until all instruments read zero CAUTION Do not turn selector valves or disconnect hoses from test set unless all instruments indicate zero failing to will cause damage to instruments a Turn power switch to OFF position b Close shut off valves on top of operator panel to OFF positions c Disconnect instrument under test from appropriate Pitot or Static port on rear of Tester d Set Vacuum and Pressure selector valves to OFF positions and open four vacuum and pressure Control and Bleed needle valves e Disconnect Tester from power source f Return power cables hoses adapters and fittings to accessory storage compartment and return cover to tester 2 10 TM 1 4920 458 13 amp P Section IV Operation Under Unusual Conditions SECTION CONTENTS UNUSUAL CONDITIONS EXTREME ENVIRONMENTAL MAINTENANCE 2 8 UNUSUAL CONDITIONS a Normal The Tester can be carried from one work area to another when the accessories are stowed in the cover compartment b Extremes of Heat and Cold unusual conditions The Tester is designed
16. SWITCH Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Toggle Switch Equipment Conditions Power disconnected front panel removed GO TO NEXT PAGE 4 28 TM 1 4920 458 13 amp P 4 26 REMOVE AND REPLACE TOGGLE SWITCH Cont Sheet 2 of 2 4 26 1 REMOVAL a Tag and remove four wires 1 from switch leads 2 b Remove mounting nut 3 and washer 4 from top of operator panel 5 c Remove switch 6 from the bottom of the operator panel 5 4 26 2 INSTALLATION a Mount switch 6 into operator panel 5 from the bottom up using mounting nut 3 and washer 4 b Attach four wires 1 to switch leads 2 and remove tags 4 26 3 FOLLOW ON MAINTENANCE Performance check 2 5 END OF TASK 4 29 TM 1 4920 458 13 amp P 4 27 REMOVE AND REPLACE FUSE HOLDER Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Fuse holder solder D5 Equipment Conditions Power disconnected front panel removed ROTATED FOR CLARITY GO TO NEXT PAGE 4 30 TM 1 4920 458 13 amp P 4 27 REMOVE AND REPLACE FUSE HOLDER Cont Sheet 2 of 2 4 27 1 REMOVAL a Unsolder two wires 1 from fuse holder leads 2 b Remove mounting nut 3 from fuse holder 4 on bottom side of operator panel 5 c Remove fuse holder 4 from top
17. Tester Lubricate in accordance with instructions contained in Perform the before operation services listed in the Operator s Crew preventive maintenance checks and services table 4 9 EXTREME ENVIRONMENTAL MAINTENANCE There are no requirements for extreme environmental maintenance for the Pitot and Static Systems Tester TM 1 4920 458 13 amp P 4 10 CALIBRATION Calibration of the Pitot and Static Systems Tester will be performed by a TMDE Support Team in accordance with guidelines specified in Calibration and Repair Requirements for the Maintenance of Army Material TB 43 180 TM 1 4920458 13 amp P Section IV Troubleshooting SECTION CONTENTS GENERAL PITOT AND STATIC SYSTEMS TESTER INSPECTION FAULT ISOLATION TROUBLESHOOTING PROCEDURE 1 MOTOR AND OR INDICATOR LAMP DOES NOT TURN ON TROUBLESHOOTING PROCEDURE 2 TESTER DOES NOT BUILD OR HOLD PRESSURE AIRSPEED VACUUM ALTIMETER 4 11 GENERAL A list of possible failures to the Pitot and Static Systems Tester as well as probable cause and corrective action are shown in the following fault isolation block diagrams Corrective actions as shown in the following trouble shooting diagram are outlined in the applicable removal replacement paragraphs in the text of this manual 4 12 PITOT AND STATIC SYSTEMS TESTER INSPECTION FAULT ISOLATION Personnel Required 35H Test Measurement Diagnostic Equipment TMDE Support Specialist Tools Test and Support Equipment Tool Kit
18. amp P TABLE OF CONTENTS CONT Page CHAPTER AVIATION UNIT MAINTENANCE 3 1 Repair Parts Tools TMDE and Support Equipment 3 2 Service Upon Receipt urere eder ee e ee RUE RT ees 3 3 Section Preventive Maintenance Checks and Services PMCS 3 3 Troubleshooting 9 3 8 Maintenance Procedures c ccccssscsescsssssssssssssssesesessssssssesesssssssssssssevereceseseesenensnsesass Preparation for Storage or Shipment 3 14 CHAPTER 4 AVIATION INTERMEDIATE MAINTENANCE AVIM 4 1 Repair Parts Special Tools TMDE and Support 4 1 Section 1 Service Upon HecelpL HV 4 2 Section Preventive Maintenance Checks and Services PMCS 4 3 Troubleshooting 9 4 5 Maintenance Procedures ps 4 8 ARRENDIXA N ES A 1 APPENDIX B MAINTENANCE ALLOCATION B 1 IntroductlOn ai ee B 1 Section 1 Maintenance Allocation Chart B 3 Section Tools and Test Equipment Requirements pp B 7 Section Reference Code and Remarks essen B 8 APPENDIX PARTS AND SPECIAL TOOLS LIST 1 APPENDIX D EXPENDABLE DURABLE SUPPLIES AND MATERIALS LIST D 1 APPENDIX
19. and a network of hoses rigid pressure lines fittings adapters valves and ports on the tester along with external hoses and adapters supplied with the tester The pump serves the dual function of developing pressure as well as vacuum for operation of the Tester In the pressure section a mixture of air and oil is pumped into the reservoir where the oil and air are separated The separated oil drops to the bottom of the reservoir where it is bled to the pump for lubrication purposes the air being forced out at the top of the reservoir under pressure The pressurized air after going through the check valve whose function is to prevent oil from entering instrument lines during operation enters an oil sump and passes through a filter which is an integral part of the sump Air from the sump blows through two pressure control valves The pressure INCREASE valve controls the amount of air permitted in the system and the pressure DECREASE valve opens the line to the ambient air allowing system pressure to bleed off The available pressure level as fixed by the control valves is sent to the pressure relief valve and PRESSURE selector valve Setting the PRESSURE selector valve at the desired test position completes the circuit to the instrument under test and the master instrument to one of the pressure relief valves The pressure relief valve is in the line at all times and protects the instruments from pressure overload when the pump is producing vacuum whic
20. are authorized to make E 2 WIRING MANUFACTURE This task covers Fabrication Personnel Required MOS 68F Aircraft Electrician FABRICATION a Cuta suitable length of wire from a spool of bulk wire NOTE Be sure the wire you cut is the same gage as the wire you are replacing Identify wire by using color coded tape the same color as the wire you are replacing b Note what type and size of connector the old wire had and match them for the new wire c Measure the length of the old wire When cutting the new wire add 6 in to this length NOTE If splicing a wire use heat shrink tubing over spliced area d Fasten the first connector splice to one end of the wire NOTE Check new wire for continuity before installation e Install the wire following the path of the old wire as much as possible f Fasten the wire in place with tape nylon ties or shrink wrap g lf wire is spliced and heat shrink tubing is used shrink tubing using a suitable heat source E 1 E 2 blank TM 1 4920 458 13 amp P APPENDIX F TORQUE LIMITS Table F 1 gives the standard torque values for studs nuts bolts and screws Exceptions to the following values are given in the maintenance task where appropriate TABLE F 1 Standard Torque Limits THREAD DIAMETER STANDARD TORQUE SCREW THREADS SIZE NO PER INCH 1LB FT Use these torques for bolts and nuts with standard threads 8 17 Max 2 56 10 24 Use these torques for bolts and nuts on hyd
21. fuse A spare fuse is mounted on top of the frame assembly 1 8 3 Back Plate The back plate contains two ports A Static port and a Pitot port for hook up to the same respective ports on the aircraft Hoses and adapters are provided in the accessory storage compartment Also a power connector is provided through which AC and DC power is supplied to the tester 1 8 4 Interior Components For access to interior components of Tester captive fasteners on the control panel are released and the panel is then swung upward to the Open position with the panel open the motor pump assembly oil reservoir assembly and electrical power supply components are easily accessible as are adjustable pressure vacuum relief valves a system pressure relief safety valve and all fittings and hoses In addition rigid pressure lines could be removed if necessary Located on the side of the box is a clear window which permits observation of fluid level in the oil reservoir 1 5 1 8 5 Accessories TM 1 4920 458 13 amp P An accessory storage compartment is housed within the Tester cover and is accessible when the cover is open or removed from the Tester Accessories supplied with the Tester are listed below 1 9 Accessory Description AC Power cable 9 feet 3 inches 80 10113A DC Power cable 9 feet 80 10111 AC Power adapter cable 8 feet 80 10110 Adapter cable three phase AC 12 5 inches 80 10112 Clamp assembly static 92 10
22. hoses 6 to fittings 7 and remove tags Position valve 3 into panel 5 and secure with four mounting screws 4 Place handle 1 on valve 3 and orient to OFF position Install screw 2 through handle 1 to valve 3 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 25 TM 1 4920 458 13 amp P 4 25 REMOVE AND REPLACE METERING VALVES TYPICAL Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Metering valve Sealube D6 Equipment Conditions Power disconnected front panel and right panel removed GO TO NEXT PAGE 4 26 4 25 4 25 1 d 4 25 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE METERING VALVES TYPICAL Cont Sheet 2 of 2 REMOVAL Disconnect hose 1 from fitting 2 and rigid pipe 3 from fitting 4 Remove panel mounting nuts 5 and 6 and remove metering valves 7 and 8 from control panel 9 Remove fittings 2 and 4 from metering valves 7 and 8 INSTALLATION Apply Sealube D6 to fittings 2 and 4 Install fittings 2 and 4 to metering valves 7 and 8 Place metering valves in holes in control panel 9 and secure with panel mounting nuts 5 and 6 Attach hose 1 to fitting 2 and rigid pipe 3 to fitting 4 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 27 TM 1 492 458 13 amp P 4 26 REMOVE AND REPLACE TOGGLE
23. swivel nut 2 on each end counter clockwise Remove fittings 3 by turning counterclockwise INSTALLATION Ensure hoses and fittings are clean and free of foreign material to avoid contamination to the instrument indicating system Install fittings 3 by turning clockwise Install hoses 1 by turning swivel nut 2 on both ends of hose clockwise FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 37 TM 1 4920 458 13 amp P 4 31 REMOVE AND REPLACE OIL SUMP TYPICAL Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Oil Sump Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open and left right and rear panel removed GO TO NEXT PAGE 4 38 4 31 4 31 1 f g 4 31 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE OIL SUMP TYPICAL Cont Sheet 2 of 2 REMOVAL Disconnect rigid pressure lines 1 and 2 from fittings 3 and 4 Remove two screws 5 from support bracket 6 and remove bracket 6 Remove oil sump 7 and remove elbow fitting 4 and check valve 8 Remove two screws 9 from support bracket 10 and remove bracket 10 Disconnect rigid pressure lines 11 and 12 from fittings 13 and 14 Remove oil sump 7 and remove elbow fitting 13 and fitting 14 Remove pressure relief valve 16 from oil sump 15 INSTALLATION Ap
24. to operate in temperatures from 40 F to 120 F 40 C to 50 C When operating in high temperatures to 120 F use extreme caution to keep Tester within operating limits For low temperature operating range from 32 to 40 F run the pump for least 5 minutes with both selector valve knobs in the OFF position and the knobs turned to open valves before starting tests CAUTION Contamination in the pneumatic system will damage the instruments controls and pump c Other unusual conditions 1 When operating the Tester in extreme conditions of snow ice rain mud dust salt air or similar conditions do everything possible to prevent foreign material from entering the Pneumatic System 2 After operation in extreme conditions thoroughly clean and dry the Tester and accessories 2 9 EXTREME ENVIRONMENTAL MAINTENANCE There are no requirements for extreme environmental maintenance for the Pitot and Static Systems Tester 2 11 TM 1 4920 458 13 amp P Section V Lubrication Level Check 2 10 LUBRICATION LEVEL CHECK To prepare the Tester for use proceed as follows a Place Tester 1 level on bench or platform b Look through window 2 of the right side of Tester and observe oil level in reservoir Oil level must be within maximum and minimum limits indicated on oil reservoir body If oil level is low fill reservoir in accordance with procedure given in para 3 9 2 12 TM 1 4920 458 13 amp P CHAPTER 3 A
25. what s wrong with it you go to the troubleshooting procedures Troubleshooting procedures will direct you to the appropriate paragraph to repair your unit iii iv blank TM 1 4920 458 13 amp P CHAPTER 1 INTRODUCTION CHAPTER CONTENTS GENERAL INFORMATION Section 1 EQUIPMENT DESCRIPTION Section lll PRINCIPLES OF OPERATION Section I General Information SECTION CONTENTS SCOPE 0 gt rai 20 m MAINTENANCE FORMS RECORDS AND REPORTS 1 DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE i 1 CD ADMINISTRATIVE STORAGE REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIRS 1 1 TM 1 4920 458 13 amp P 1 1 SCOPE This manual contains operation maintenance and illustrated parts breakdown and repair parts list for Pitot and Static Systems Tester Part Number 3400 0003 illustrated below The Pitot and Static Systems Tester is a portable self contained field instrument which is used for checking the performance characteristics of vacuum and pressure aircraft instruments and Pitot and Static systems The Tester accurately simulates the airspeed and atmospheric pressures which are present during normal operation of the aircraft The Pitot and Static Systems Tester is capable of testing the aircraft Pitot and Static systems and simulating aircraft airspeed altitude and rate of climb ascending or descending for aircraft instrument tests 1 2 MAINTENANCE FORMS RECORDS AND REPORT
26. 026 5 10 59413 35 10010 9 6 59413 35 10040 C 8 13 59413 35 10045 C 4 89 59413 35 10061 C 3 11 59413 35 10062 C 3 16 59413 35 10063 C 3 18 59413 35 10067 C 3 5 59413 42 10010 4 67 59413 47 10004 4 4 59413 47 10014 4 85 59413 47 10015 9 2 59413 51 10013 4 79 4 81 4 88 4 95 59413 51 10015 4 77 4 83 4 90 4 96 59413 51 10016 C 3 9 4 76 4 91 59413 51 10017 C 3 6 C 3 12 59413 55 10078 4 84 59413 55 10079 4 2 59413 60 10005 5 5 58 TM 1 4920 458 13 amp P CROSS REFERENCE INDEXES PART NUMBER INDEX CAGE PART NUMBER STOCK NUMBER FIGURE NO ITEM NO 59413 61 10015 C 3 3 59413 61 10016 C 3 7 59413 62 10050 C 8 7 59413 62 10051 4 78 59413 62 10053 4 8 59413 62 10057 5 21 59413 62 10058 C 2 2 59413 62 10059 1 4 94 59413 62 10059 2 4 82 59413 62 10062 C 3 15 59413 62 10064 C 3 1 59413 62 10065 C 3 8 59413 62 10066 4 1 59413 62 10073 4 61 59413 62 10074 4 62 59413 62 10075 4 63 59413 62 10076 4 64 59413 66 10083 4 32 59413 66 10084 4 30 59413 66 10095 4 56 59413 66 10096 5 38 59413 66 10097 5 33 59413 66 10098 5 35 59413 70 10028 5 7 59413 71 00003 5 3 59413 74 10013 5 52 59413 79 10006 8 4 59413 80 IOI11A C 1 5 59413 80 10111 C 1 4 59413 80 10112A C 1 7 59413 80 10113A C 1 6 59413 80 10114 C 14 5 59413 80 10114A C 11 6 C 12 7 C 13 6 59413 80 10128 C 12 2 C 14 10 59413 80 10129 5 6 59413 80 10130A C
27. 10 decigram z 035 ounce 1 dekagram z 10 grams z 35 ounce 1 hectogram z 10 dekagrams z 3 52 ounces 1 kilogram 10 hectograms 2 2 pounds 1 quintal 100 kilograms 220 46 pounds 1 metric ton z 10 quintals lt 1 1 short tons To change inches feet yards miles square inches square feet square yards square miles acres cubic feet cubic yards fluid ounces pints quarts gallons ounces pounds short tons pound feet pound inches Liquid Measure 1 centiliter 10 milliters 34 fl ounce 1 deciliter 10 centiliters 3 38 fl ounces 1 liter 10 deciliters 33 81 fl ounces 1 dekaliter 10 liters 2 64 gallons 1 hectoliter 10 dekaliters 26 42 gallons 1 kiloliter 10 hectoliters 264 18 gallons 1 sq 1 sq 1 sq 1 sq 1 sq 1 sq 1 cu 1 cu 1 cu Square Measure centimeter lt 100 sq millimeters lt 155 sq inch decimeter 100 sq centimeters 15 5 sq inches meter centare 100 sq decimeters 10 76 sq feet dekameter are 100 sq meters 1 076 4 sq feet hectometer hectare 100 sq dekameters 2 47 acres kilometer 100 sq hectometers 386 sq mile Cubic Measure centimeter 1000 cu millimeters 06 cu inch decimeter 1000 cu centimeters 61 02 cu inches meter 1000 cu decimeters 35 31 cu feet Approximate Conversion Factors To Multiply by change To Multiply by centimeters 2 540 ounce inches Newton meters 007062 meters 305 centimeters inches
28. 113 Hose assembly 15 inch 92 10114 6 Hose assembly 5 feet AN6270 4D0060 Hose assembly 6 feet AN6270 4D0072 Pitot head adapter 9210118 Hose clamp AN737TW 48 Fitting AN815 4D EQUIPMENT DATA N N Refer to Table 1 1 for summary of capabilities limitations and other critical operation and maintenance data 1 9 EQUIPMENT DATA CONT Case Dimensions Depth Width Height Weight complete with accessory kit Voltage input AC Voltage Input DC Usable Temperature Range Power Consumption Tester Ranges Rate of Climb Altimeter Airspeed TM 1 4920 458 13 amp P TABLE 1 1 Equipment Data 1 7 14 50 inches 16 60 inches 17 00 inches 60 lbs maximum 115 10 50 500 cycles second single phase 115 10 50 500 cycles second three phase 28 Volt Direct Current DC 4 volts 6 volts 40 C to 50 C 120 Watts Maximum 6000 feet Min 6000 feet Min 1000 feet to 35 000 feet 0 400 knots TM 1 4920 458 13 amp P Section Ill Principles Of Operation 1 10 PRINCIPLES OF OPERATION A small high speed pump serves dual functions by producing system vacuums up to 29 inches of mercury and system pressures up to 6 5 psi to simulate aircraft atmospheric and airspeed conditions These vacuums and pressures are delivered to the respective aircraft system and tester instruments through oil reservoir oil sumps
29. 12 6 59413 80 10131A C 13 5 59413 80 10132 C 14 4 59413 80 10133A C 11 5 59413 80 10145 C 4 65 59413 90 50025 C 2 3 59413 91 10004 C 4 6 59413 92 0003 C 5 11 59413 92 0005 C 5 50 59413 92 0006 C 5 12 59413 92 0008 C 6 6 59413 92 0009 C 5 45 C 59 TM 1 4920 458 13 amp P CROSS REFERENCE INDEXES PART NUMBER INDEX CAGE PART NUMBER STOCK NUMBER FIGURE NO ITEM NO 59413 92 0010 5 40 59413 92 0011 5 1 59413 92 0012 5 30 59413 92 10113 C 1 11 59413 92 10114 6 C 1 1 59413 92 10116 C 4 58 59413 92 10118 C 1 8 59413 92 10119 C 8 8 59413 92 10120 C 8 6 59413 92 10128 C 4 36 59413 92 10129 4 41 59413 92 10130 4 31 59413 92 10131 C 2 1 59413 92 10132 4 97 59413 92 10133 4 101 59413 92 10134 4 105 59413 92 10135 4 80 59413 92 10136 4 87 59413 92 10137 4 74 59413 92 10141 4 93 59413 98 10011 4 54 59413 98 10015 4 3 C 60 D 1 TM 1 4920 458 13 amp P APPENDIX D EXPENDABLE DURABLE SUPPLIES AND MATERIALS LIST Section I Introduction SCOPE This appendix list expendable supplies and materials you will need to operate and maintain the Pitot and Static Systems Tester These items are authorized to you by CTA 50 970 Expendable Items Except Medical Class V Repair Parts and Heraldic Items D 2 a b EXPLANATION OF COLUMNS Column 1 Item Number This number is assigned to the entry in the listing Column 2 Level This column identifies the lowest level of maintenance tha
30. 22 3D ELBOW FLARED 2 2 26 XBFFF 59413 14 10010 RATE OF CLIMB 1 27 PAFZZ 88044 AN913 1D PLUG TREND EMEN 1 28 22 59413 14 10009 VALVE MM DEN 1 29 PAFZZ 88044 AN822 3D ELBOW FLARED 2 30 XBFZZ 59413 66 10084 141 EN 2 31 XBFZZ 59413 92 10130 FUSE HOLDER SPARE 1 32 XBFZZ 59413 66 10083 FUSE HOLDER 1 33 PAFZZ 96906 MS25237 327 LAMP 1 34 PAFZZ 96906 MS25041 7 LIGHT ASSEMBBLY aaa 1 35 PAFZZ 88044 AN515C6 4 SCREW MACHINE 8 36 XBFFF 59413 92 10128 METERING VALVE ccsscssscsssssseseesesesesseseseseeseseseees 1 37 PAFZZ 88044 AN916 1D ELBOW PIPE 1 38 22 59413 14 10007 METERING VALVE 2 39 PAFZZ 88044 917 10 PIPE Du 1 40 22 88044 AN816 3D ADAPTER STRAIGHT tette 2 41 XBFFF 59413 92 10129 METERING VALVE 1 42 XBFZZ 59413 14 10007 METERING VALVE 2 43 22 88044 917 10 TEE 1 44 PAFZZ 88044 AN916 1D ELBOW 1 45 22 88044 AN816 3D ELBOW FLARED 2 26 XBFZZ CAGE 96906 59413 88044 59413 88044 59413 59413 88044 59413 96906 59413 96906 59413 96906 96906 59413 59413 59413 59413 59413 88044 59413 88044 88044 88044 88044 88044 88044 59413 96906 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 96906 59413
31. 264 5310 00 934 9761 C 4 9 5310 00 934 9761 C 4 55 5310 00 934 9761 5 4 96906 MS35649 265 5310 00 934 9763 4 12 96906 MS35649 284 5310 00 934 9759 C 5 2 96906 MS51957 27 5305 00 054 6651 C 4 7 59413 P 115 A C 7 5 59413 P 345 C 7 7 59413 100 10001 C 14 1 59413 100 10002 C 14 2 59413 100 10003 C 14 3 59413 100 10015 C 13 7 59413 10127 C 7 8 59413 11 10003 C 10 2 59413 11 10005 C 10 4 59413 11 10006 1 5 27 59413 11 10006 2 5 29 59413 11 10006 3 5 28 59413 11 10006 4 5 24 59413 11 10006 5 5 26 59413 11 10006 6 5 25 59413 11 10006 7 5 43 5 48 59413 12 10005 9 3 59413 12 10006 C 6 7 59413 14 10001 4 49 4 52 59413 14 10002 6 8 59413 14 10004 5 31 6 5 59413 14 10005 5 44 5 46 59413 14 10006 5 37 59413 14 10007 4 38 4 42 59413 14 10009 4 28 59413 14 10010 4 26 57 TM 1 4920 458 13 amp P CROSS REFERENCE INDEXES PART NUMBER INDEX CAGE PART NUMBER STOCK NUMBER FIGURE NO ITEM NO 59413 14 10011 4 51 59413 14 10012 4 47 59413 14 10013 4 17 59413 14 10014 4 13 59413 14 10015 4 23 59413 14 10016 4 19 59413 15 10034 1 4 5 59413 16 10010 4 86 59413 17 10002 7 4 59413 21 10001 9 9 59413 21 10002 9 8 59413 23 10003 8 9 59413 23 10005 C 8 11 59413 23 10006 C 8 10 59413 3005 5 C 7 6 59413 32 10003 C 3 4 C 3 13 59413 35 0014 C 5 51 59413 35 0015 C 8 3 59413 35 0017 5 22 59413 35 0019 5 23 59413 35 0025 5 9 59413 35 0
32. 3 REMOVE AND REPLACE CHECK VALVES Cont Sheet 2 of 2 REMOVAL Remove rigid pressure line 1 from elbow fitting 2 Remove two screws 3 and bracket 4 Remove check valve 5 with elbow fitting 2 attached from oil sump 6 Remove elbow fitting 2 from check valve 5 Remove rigid pressure line 7 from fitting 8 Remove check valve 9 from oil reservoir 10 Remove fitting 8 from check valve 9 INSTALLATION Apply Sealube D6 to threads of fittings 2 and 8 and threads of check valves 5 and 9 Install fitting 8 on check valve 9 NOTE Ensure check valve arrow is pointed to rear of test set when installed Install check valve 9 with fitting 8 attached to oil reservoir 10 Install rigid pressure line 7 to fitting 8 Install elbow fitting 2 to check valve 5 Install check valve 5 with elbow fitting 2 attached to oil sump 6 Install two screws 3 and bracket 4 Install rigid pressure line 1 to elbow fitting 2 FOLLOW ON MAINTENANCE Performance check END OF TASK 4 63 TM 1 4920 458 13 amp P TM 1 4920 458 13 amp P 4 44 REMOVAL AND REPLACEMENT OF SOLENOID VALVES Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Solenoids Solder D5 Sealube D6 Heat Shrink D2 Equipment Conditions Power disconnected valve cover panel open right side front and rear panels removed con
33. 30 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 240 5905 4730 00 240 5905 4730 00 240 5905 4730 00 240 5905 4730 00 278 3680 C 55 FIGURE NO 4 11 12 13 14 11 O O O O O O O O O O O O O O O O O Q AKA OOH TM 1 4920 458 13 amp P CROSS REFERENCE INDEXES PART NUMBER INDEX CAGE PART NUMBER STOCK NUMBER FIGURE NO ITEM NO C 7 2 C 8 1 88044 AN823 3D 4730 00 186 9949 C 6 1 4730 00 186 9949 C 7 3 88044 AN824 3D 4730 00 278 9460 C 4 69 88044 AN910 1D 4730 00 223 9257 4 15 4730 00 223 9257 4 21 88044 911 10 4730 00 186 7783 4 16 4730 00 186 7783 4 22 88044 913 10 4730 00 223 9267 4 27 4730 00 223 9267 4 50 88044 AN914 1D 4730 00 230 8739 C 7 1 88044 AN916 1D 4730 00 187 1391 4 37 4730 00 187 1391 4 44 4730 00 187 1391 C 9 4 88044 AN917 1D 4730 00 287 3699 C 4 39 4730 00 287 3699 C 4 43 88044 AN919 2D 4730 00 812 5036 C 4 100 4730 00 812 5036 4 104 88044 AN929 3 4730 00 221 2126 C 6 2 88044 AN929A4 4730 00 585 8770 C 4 66 96906 516995 40 5305 00 988 7611 5 8 96906 520426 4 3 5320 00 721 5211 C 3 17 96906 MS20470 A4 6 5320 00 721 5211 C 3 10 5320 00 721 5211 C 3 19 5320 00 721 5211 4 75 5320 00 721 5211 4
34. 32 10003 2 14 PAFZZ 96906 MS20470 A6 7 24 15 XBFZZ 59413 62 10062 COVER TES TER Rente nnt a 1 16 XBFZZ 59413 35 10062 2 17 PAFZZ 96906 MS20426A4 3 RIVET SOLID 44 18 XBFZZ 59413 35 10063 1 19 PAFZZ 96906 MS20470 A4 6 RIVET nas MU LE E 4 20 PAFZZ 96906 MS20470 A6 7 adir ECL 8 END OF FIGURE C 17 TM 1 4920 458 13 amp P FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 1 OF 8 C 18 TM 1 4920 458 13 amp P Ema UR 252 Aes e FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 2 OF 8 C 19 TM 1 4920 458 13 amp P Furnished with associated item FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 3 OF 8 C 20 TM 1 4920 458 13 amp P 61 64 65 66 63 62 FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 4 OF 8 C 21 TM 1 4920 458 13 amp P FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 5 OF 8 22 TM 1 4920 458 13 amp P Ve ji 7 7 FIGURE 4 CHASSIS ASSEMBLY 90 50025 SHEET 6 OF 8 C 23 TM 1 4920 458 13 amp P FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 7 OF 8 C 24 TM 1 4920 458 13 amp P FIGURE C 4 CHASSIS ASSEMBLY 90 50025 SHEET 8 OF 8 C 25 TM 1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON COD
35. 394 meters 914 meters feet 3 280 kilometers 1 609 meters yards 1 094 square centimeters 6 451 kilometers miles 621 square meters 093 square centimeters square inches 155 square meters 836 square meters square feet 10 764 square kilometers 2 590 square meters square yards 1 196 square hectometers 405 square kilometers square miles 386 cubic meters 028 square hectometers acres 2 471 cubic meters 765 cubic meters cubic feet 35 315 milliliters 29 573 cubic meters cubic yards 1 308 liters 473 milliliters fluid ounces 034 liters 946 liters pints 2 113 liters 3 785 liters quarts 1 057 grams 28 349 liters gallons 264 kilograms 454 grams ounces 035 metric tons 907 kilograms pounds 2 205 Newton meters 1 356 metric tons short tons 1 102 Newton meters 11296 Temperature Exact F Fahrenheit 5 9 after Celsius temperature subtracting 32 temperature PIN 072675 000 This fine document Was brought to you by me Liberated Manuals free army and government manuals Why do I do it I am tired of sleazy CD ROM sellers who take publicly available information slap watermarks and other junk on it and sell it Those masters of search engine manipulation make sure that their sites that sell free information come up first in search engines They did not create it They did not even scan it Why should they get your money Why are not letting you give those free manuals to your friends I am setting this document
36. 4920 458 13 amp P Section V Maintenance Procedures SECTION CONTENTS gt gt v gt C MAINTENANCE PROCEDURES GENERAL PITOT AND STATIC SYSTEMS TESTER CALIBRATION c REMOVE AND REPLACE RATE OF CLIMB INDICATOR T l A o REMOVE AND REPLACE ALTIMETER REMOVE REPLACE AIRSPEED INDICATOR A REMOVE AND REPLACE PRESSURE THREE WAY SELECTOR VALVE REMOVE AND REPLACE RATE OF CLIMB TWO WAY SHUT OFF VALVE REMOVE AND REPLACE ALTIMETER SHUT OFF VALVE REMOVE AND REPLACE AIRSPEED SHUT OFF VALVE REMOVE AND REPLACE VACUUM TWO WAY SHUT OFF VALVE REMOVE AND REPLACE METERING VALVE TYPICAL REMOVE AND REPLACE TOGGLE SWITCH km REMOVE AND REPLACE FUSE HOLDER m REMOVE AND REPLACE LIGHT ASSEMBLY D REMOVE AND REPLACE OVER PRESSURE RELIEF VALVE 5 REMOVE AND HOSES AND FITTINGS TYPICAL REMOVE AND REPLACE OIL SUMP TYPICAL e REMOVE AND REPLACE OIL FILTER CD REMOVE AND REPLACE MOTOR PUMP CD CD gt REMOVE AND REPLACE PUMP AND OR MOTOR ASSEMBLY CD gt REMOVE AND REPLACE CAPACITOR CD gt REMOVE AND REPLACE TRANSFORMER TM 1 4920 458 13 amp P SECTION CONTENTS CONT REMOVE AND REPLAC
37. 5 00 828 8526 5365 00 828 8526 6610 00 865 3848 5935 00 879 8334 4730 00 925 4752 4720 00 927 7088 5310 00 934 9759 5310 00 934 9761 5310 00 938 2013 5305 00 958 1351 5305 00 988 7611 54 FIGURE OLO LOLS 3000 0 Gu 0999600000000 O TET I gt S QG S O GQ GO O O OQ ND 00 O O OOOOOO0O0 CAGE 81349 96906 88044 88044 88044 88044 88044 88044 88044 88044 88044 88044 88044 88044 88044 88044 88044 66295 88044 88044 88044 88044 88044 88044 88044 CROSS REFERENCE INDEXES PART NUMBER AAU 31 A MS3420 69 AN3420 8A AN50OD8 9 AN501D3 3 AN515B6 16 AN515C6 4 AN515C6 4 AN515C8 4 AN6227 6 AN6270 3 0030 AN6270 3D0100 AN6270 3 120 AN6270 3D0150 AN6270 3D0180 AN6270 4D0060 AN6270 4D0072 AN737 TW26 34WWD AN737TW 48 AN815 4D AN816 3D AN816 4D AN822 3D TM 1 4920 458 13 amp P PART NUMBER INDEX STOCK NUMBER 6610 00 110 3368 5365 00 828 8526 5365 00 828 8526 5365 00 828 8526 5365 00 828 8526 5365 00 598 5394 5305 00 151 0622 5305 00 054 6650 5305 00 054 6650 5305 00 273 7352 5330 00 196 5368 5330 00 196 5368 5330 00 196 5368 4720 00 089 5348 4720 00 927 7088 4720 00 481 9870 4720 00 064 0833 4720 00 421 1414 4720 01 016 5618 4730 00 720 0167 4730 00 278 9212 4730 00 925 4752 4730 00 187 0839 4730 00 187 0085 47
38. 8 RESERVOIR SUBASSY 1 7 XBFZZ 59418 12 10006 NIPPLE 1 8 PIPE ete 1 8 XBFZZ 59413 14 10002 VALVE SELECTOR 1 END OF FIGURE C 37 TM1 4920 458 13 amp P FIGURE C 7 PUMP ASSEMBLY 92 0011 C 38 TM 1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 01081402 FIGURE C 7 PUMP ASSEMBLY 92 0011 1 PAFZZ 88044 AN914 1D eee 1 2 PAFZZ 88044 AN822 3D ELBOW FEARED 1 3 PAFZZ 88044 AN823 3D ELBOW FLARED uu mds 2 4 XBFFF 59413 17 10002 PUMP MOTOR ASSY 1 5 PAFZZ 59413 115 CREW aste eie 4 6 XBFZZ 59413 3005 5 WASHER LOCK e 4 7 XBFZZ 59413 345 PUMP ASSEMBLY on retener 1 8 XBFZZ 59413 10127 MOTOR ELECTRIC 1 END OF FIGURE C 39 TM1 4920 458 13 amp P FIGURE C 8 BELLOWS BLOCK ASSEMBLY 92 0006 C 40 1 4920 458 138 1 2 3 4 S 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 01081404 FIGURE 8 BELLOWS BLOCK ASSEMBLY 92 0006 1 PAFZZ 88044 AN822 3D ELBOW FLARED 2 2 PAFZZ 88044 AN500D8 9 SCREW eee 2 3 XBFZZ 59413 35 0015 BLOCK BELLOW jean rere 1 4 XBFZZ 59413 79 10006 MICROSWITCH pt 2 5 PAFZZ 88044 AN501D3 3 SCREW MACHINE e 5 6 XBF
39. 80 Equipment Conditions Power disconnected valve cover panel open control panel open para 4 15 GO TO NEXT PAGE 4 10 TM 1 4920 458 13 amp P 4 17 REMOVE AND REPLACE RATE OF CLIMB INDICATOR Cont Sheet 2 of 2 4 17 1 a 4 17 3 REMOVAL Disconnect hose 1 and remove fitting 2 with preformed packing 3 from end of indicator 4 Remove three nuts 5 from underside of control panel 6 Remove three screws 7 securing indicator 4 to control panel 6 Remove indicator 4 from tester control panel 6 INSTALLATION Install indicator 4 in control panel 6 and align mounting holes Secure indicator 4 to control panel 6 with three screws 7 from outside control panel 6 and install three nuts 5 Install fitting 2 and connect hose 1 with preformed packing 3 to port at end of indicator 4 FOLLOW ON MAINTENANCE Calibration TB 43 180 Performance check END OF TASK 4 11 TM 1 4920 458 13 amp P 4 18 REMOVE AND REPLACE ALTIMETER Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Altimeter Sealube D6 References TB 43 180 Equipment Conditions Power disconnected valve cover panel open control panel open GO TO NEXT PAGE 4 12 TM 1 4920 458 13 amp P 4 18 REMOVE AND REPLACE ALTIMETER Cont Sheet 2 of 2 4 18 1 a 4 18 3 REMOVAL Disconnect hose 1 a
40. 92 96906 MS20470 A6 7 5320 00 242 1579 C 3 2 5320 00 242 1579 C 3 14 5320 00 242 1579 C 3 20 96906 MS25041 7 6210 00 143 661 4 34 96906 525237 327 6240 00 155 7836 4 33 96906 MS27183 17 5310 00 809 5997 C 9 7 96906 MS28046T 1 6610 00 859 7445 C 4 98 96906 MS25454 5 6610 01 125 0726 4 106 81349 85049 41 10 5935 01 201 9223 11 2 5935 01 201 9223 12 3 5935 01 201 9223 C 13 2 5935 01 201 9223 C 14 8 81349 M85049 41 12A 5935 01 167 6148 C 11 9 96906 MS3456W 18 5P 5935 01 261 8508 C 12 8 96906 MS3102R18 IP 5935 00 721 0490 C 4 59 96906 MS3456W 18 1 5935 00 622 2830 C 12 1 5935 00 284 3967 C 14 9 96906 MS3456W 18 55 5935 01 196 6906 C 11 1 5935 01 196 6906 C 13 1 96906 MS3456W 20 4P 5935 01 069 0285 C 11 10 96906 MS3420 10 5365 00 663 2125 C 11 3 5365 00 663 2125 C 12 5 5365 00 663 2125 C 13 4 C 56 TM 1 4920 458 13 amp P CROSS REFERENCE INDEXES PART NUMBER INDEX CAGE PART NUMBER STOCK NUMBER FIGURE NO ITEM NO 5365 00 663 2125 C 14 6 96906 MS3420 12 5365 00 558 5416 C 11 7 96906 MS35059 22 5930 00 166 2016 C 4 46 96906 MS35223 75 C 5 19 96906 MS35231 26 5305 00 579 0550 C 5 16 96906 MS35233 26 5305 00 543 2772 C 5 20 96906 MS35233 28 5305 00 045 1628 C 5 14 96906 MS35233 17 5305 00 515 7219 C 4 60 96906 MS35233 38 5305 00 543 2780 C 4 57 96906 MS35234 59 5305 00 958 1351 5 17 96906 MS35338 41 5310 00 045 4007 C 5 13 96906 MS35425 7 5310 01 064 8787 C 9 1 96906 MS35649 224 5310 00 938 2013 C 8 12 96906 MS35649
41. 9949 4730 00 186 9949 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 4730 00 187 0085 5320 00 242 1579 5305 00 273 7352 4730 00 278 9212 4730 00 278 9460 5935 00 283 3838 5935 00 283 3838 5935 00 284 3967 5935 00 284 3967 4730 00 287 3699 4730 00 287 3699 6610 00 291 7021 5935 00 408 0821 5935 00 408 0821 5935 00 408 0821 5935 00 408 0821 6610 00 527 8450 5305 00 543 2772 5305 00 543 2780 5305 00 543 2780 5365 00 558 5416 5305 00 579 0550 5365 00 663 2125 5310 00 934 9761 5310 00 934 9761 5310 00 934 9763 FIGURE c 1 AANO 8 OI O1O1O1 8 F OI OI O1O1 P T F F f F F OO Q ITEM TM 1 4920 458 13 amp P CROSS REFERENCE INDEXES NATIONAL STOCK NUMBER INDEX STOCK NUMBER 4730 00 187 0085 4730 00 187 0839 4730 00 187 1391 4730 00 187 1391 4730 00 187 1391 5330 00 196 5368 5330 00 196 5368 5330 00 196 5368 5935 00 199 2626 4730 00 221 2126 5935 00 223 0572 4730 00 223 9257 4730 00 223 9257 4730 00 223 9267 4730 00 223 9267 4730 00 230 8739 4730 00 240 5905 4730 00 240 5905 4730 00 240 5905 4730 00 240 5905 5320 00 242 1579 5320 00 242 1579 5365 00 663 2125 5365 00 663 2125 5365 00 663 2125 4730 00 720 0167 5320 00 721 5211 5320 00 721 5211 5320 00 721 5211 5320 00 721 5211 5320 00 721 5211 5310 00 809 5997 4730 00 812 5036 4730 00 812 5036 5365 00 828 8526 5365 00 828 8526 536
42. AINTENANCE FUNCTIONS Inspect to determine the serviceability of an item by comparing its physical mechanical an or electrical characteristics with established standards through examination e g by sight sound or feel Replace to remove an unserviceable item and install a serviceable counterpart in its place Replace is authorized by the MAC and is shown as the 3rd position code of the SMR code Repair the application of maintenance services including fault location troubleshooting removal installation and disassembly assembly procedures and maintenance actions to identify troubles and restore serviceability to an item by correcting specific damage fault malfunction or failure in a part subassembly module component or assembly end item or system Calibrate to determine and cause corrections to be made or to be adjusted on instruments or test measuring and diagnostic equipment used in precision measurement Consists of comparisons of two instruments one of which is a certified standard of known accuracy to detect and adjust any discrepancy in the accuracy of the instrument being compared B 1 e TM 1 4920 458 13 amp P Test to verify serviceability be measuring the mechanical pneumatic hydraulic or electrical characteristics of an item and comparing those characteristics with prescribed standards B 3 EXPLANATION OF COLUMNS IN THE SECTION II a Column 1 Group Number Column 1 lists functi
43. AR TO COVER PINS WIRING HARNESS ASSEMBLY G 2 INDEX Subject A ACCESSORY STORAGE INSPECTION stet ADMINISTRA TIVE STORAGE etfi B BEFORE YOU OPERATE sides dr nd Gr HN UNE CALIBRATION RR DEMO RE Asc GEEANING amt hub ER ded udin CONTROL AND INDICATORS se DESCRIPTION AND LOCATION OF MAJOR COMPONENTS DESTRUCTION OF ARMY MATERIEL TO PREVENT ENEMY USE DRAINING TEE S MPS e uan ono pr stava d n utar E EUECTRICAEHODR UP Sana a Ome ORT ONT det M OT ELECTRICAL SCHEMA TICS e tb as EXPENDABLE DURABLE SUPPLIES AND MATERIAL LIST EXTREME ENVIRONMENTAL FLUNG OIL RESERVOIR abdo bb b FUNCTION PITOT AND STATIC SYSTEMS TESTER FUSE REMOVAL AND cette ttt H HARNESS ASSEMBLY WIRING tette ttt ntt Index TM 1 4920 458 13 amp P Paragraph 8 14 1 4 4 10 3 8 2 3 1 8 1 3 3 10 G 1 APPENDIX G APPENDIX D 2 9 amp 4 9 3 9 3 15 G 2 TM 1 4920 458 13 amp P INDEX Subject Paragraph INSPECTION ACCESSORIES STORAGE 3 14 INSPECTION FAULT ISOLATION PITOT AND STATIC SYSTEMS TESTER 412 INSPECTION PITO
44. BLY 91 10004 SHEET 2 4 C 30 TM 1 4920 458 13 amp P FIGURE C 5 BOTTOM PLATE ASSEMBLY 91 10004 SHEET 3 OF 4 C 31 TM 1 4920 458 13 amp P Finish with associated item FIGURE C 5 BOTTOM PLATE ASSEMBLY 91 10004 SHEET 4 OF 4 C 32 1 ITEM NO 2 SMR CODE XBFFF PAFZZ XBFZZ PAFZZ XBFZZ XBFZZ XBFZZ PAFZZ XBFZZ XBFZZ XBFFF XBFFF PAFZZ PAFZZ PAFZZ PAFZZ PAFZZ PAFZZ PAFZZ PAFZZ XBFZZ XBFZZ XBFZZ XBFZZ XBFZZ XBFZZ XBFZZ XBFZZ XBFZZ XBFFF XBFZZ PAFZZ XBFZZ PAFZZ XBFFF PAFZZ XBFZZ XBFZZ PAFZZ XBFFF PAFZZ PAFZZ XBFZZ XBFZZ XBFFF 3 CAGE 59413 96906 59413 96906 59413 59413 59413 96906 59413 59413 59413 59413 96906 96906 88044 96906 96906 88044 96906 96906 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 59413 88044 59413 88044 59413 88044 59413 59413 88044 59413 88044 88044 59413 59413 59413 4 PART NUMBER 92 0011 MS35649 284 71 00003 MS35649 264 60 10005 80 10129 70 10028 MS16995 40 35 0025 35 0026 92 0003 92 0006 MS35338 41 MS35233 28 AN515C8 4 MS35231 26 MS35234 59 50008 9 35223 75 35233 26 62 10057 35 0017 35 0019 11 10006 4 11 10006 6 11 10006 5 11 10006 1 11 10006 3 11 10006 2 92 0012 14 10004 AN816 3D 66 10097 AN822 3D 66 10098 AN816 3D 14 10006 66 10096 AN822 3D 92 0010 AN822 3D AN816 3D 11 10006 7 14 10005 92 0009 TM 1 4920
45. E EMI FILTER m wl gt q 0 gt amp m REMOVE AND REPLACE POWER CONNECTOR REMOVE AND REPLACE DIODE PLATE 8 CD B REPAIR WIRING HARNESS REMOVE AND REPLACE RESERVOIR AND OR FILL AND RUN SELECTOR VALVE m 8 REMOVE AND REPLACE RIGID PRESSURE LINES TYPICAL Vm N REMOVE AND REPLACE CHECK VALVES gt CD REMOVE AND REPLACE SOLENOID VALVES BA REMOVE AND REPLACE BELLOWS 4 15 MAINTENANCE PROCEDURES GENERAL When a maintenance procedure is required it usually will involve removal of the part being repaired or replaced Removal procedures are given only to the extent necessary to repair or replace authorized parts Fill panels are opened or removed using flat tipped screwdriver and turning fasteners counterclockwise 4 16 PITOT AND STATIC SYSTEMS TESTER CALIBRATION Maintenance of the Pitot and Static Systems Tester consists of periodic recalibration Calibration cannot be performed at AVIM level because a calibrated pressure vacuum test gauge is required TM 1 4920 458 13 amp P 4 17 REMOVE AND REPLACE RATE OF CLIMB INDICATOR Sheet 1 of 2 Personnel Required 35H Test Measurement Diagnostic Equipment TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Rate of Climb Indicator Materials Parts None References TB 43 1
46. E MANUFACTURED ITEMS LIST E 1 APPENDIX TORQUE LIMITS et F 1 APPENDIX GIELECTRICAL SCHEMATICS 4 G 1 INDEX INDEX 1 TM 1 4920 458 13 amp P HOW TO USE THIS MANUAL Take a few minutes to look through this manual We ve designed this manual so that it will be easy for you to find and perform the procedures you need If the Pitot and Static Systems Tester needs repair and you know what s wrong with it here s what you do a Turn to the index and check for a paragraph on the component you want to remove and replace b Turn to the paragraph Under the paragraph title you ll find the tools materials and equipment condition needed to perform the procedure If there are no tools or materials needed it will also be noted here If you have more than one of a specific type of tool for example two different screwdrivers the text will indicate which tool to use in the necessary steps If there is no equipment condition needed to prepare the Pitot and Static Systems Tester for the removal procedure it will be noted that the Pitot and Static Systems Tester is assembled To remove the bad component perform the removal procedure d To install the new component perform the replacement procedure The Pitot and Static Systems should now be ready to operate If the Pitot and Static Systems Tester needs repair and you don t know
47. ENTER e 1 END OF FIGURE C 43 TM1 4920 458 13 amp P FIGURE C 10 PITOT CONNECTOR 92 10118 C 44 TM1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0104 FIGURE 10 CONNECTOR PITOT ASSEMBLY 92 10118 1 PAFZZ 88044 AN816 4D ADAPTER STRAIGHT ee 1 2 XBFZZ 59413 11 10003 ADAPTER HOSE re 1 3 PAFZZ 66295 AN737 TW26 34WWD 1 4 XBFZZ 59418 11 10005 HOSE RUBBER 1 rne a 1 END OF FIGURE C 45 TM1 4920 458 13 amp P FIGURE C 11 3 PHASE POWDER CORD ASSEMBLY 80 10112 C 46 TM1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 010 FIGURE C 11 POWER CORD ASSEMBLY 80 10112A 1 PAFZZ 96906 MS3456W 18 5S CONNECTOR PLUG ee 1 2 PAFZZ 81349 M85049 41 10A emm 1 3 PAFZZ 96906 MS3420 10 SLEEVE INSULATOR 1 4 PAFZZ 96906 MS3420 6A SLEEVE INSULATOR ppp 2 5 XBFFF 59413 80 10133A CORD 10 INCH se 1 6 XBFZZ 59413 80 10114A CORD ELECTRIC s 1 7 PAFZZ 96906 MS3420 12 SLEEYE INSULATOR mm 1 8 PAFZZ 96906 MS3420 8A 222 2 12 1 9 PAFZZ 81349 85049 41 12 CLAMP E 1 10 PAFZZ 96906 MS3456W20 4P CONNECTOR eee 1 END OF
48. ES UOC QTY GROUP 0108 FIGURE C 4 CHASSIS ASSEMBLY 90 50025 1 XBFZZ 59413 62 10066 COVER FRONT 1 2 22 59413 55 10079 SCREW MACHINE 0 12 3 XBFZZ 59413 98 10015 CORRECTION CARD 1 4 22 59413 47 10004 NUT HEXAGON 4 5 XBFZZ 59413 15 10034 1 ID PLATE RPRPON CN 1 6 XBFFF 59413 91 10004 BOTTOM PLATE ASSY SEE FIGURE C 5 1 7 22 96906 MS51957 27 SCREW MACHINE 12 8 22 59413 62 10053 FRAME ASSEMBLY 1 9 22 96906 MS35649 264 NUT MEL PCR ECCE 12 10 PAFZZ 88044 AN515C6 4 SCREW 12 11 PAFZZ 88044 51586 16 10 12 PAFZZ 96906 MS35649 265 NUT PLAIN HEXAGON 10 13 XBFFF 59413 14 10014 AIRSPEED VALVE 1 14 PAFZZ 88044 AN816 4D ADAPTER STRAIGHT a aaa aaa aaa 1 15 PAFZZ 88044 AN910 1D COUPLING PIPE 1 16 PAFZZ 88044 911 10 NIPPLE PIPE 1 17 XBFZZ 59413 14 10013 VALVE 1 18 22 88044 AN822 3D ELBOW FLARED 2 19 XBFFF 59413 14 10016 ALTIMETER SELECTOR 2 1 20 22 88044 AN816 4D ADAPTER STRAIGHT 1 21 22 88044 AN910 1D COUPLING PIPE 1 22 PAFZZ 88044 911 10 NIPPLE PIPE 1 1 23 XBFZZ 59413 14 10015 BUMPER 1 24 XBFZZ 88044 816 40 ADAPTER STRAIGHT 1 25 PAFZZ 88044 AN8
49. FREE This document was made by the US Government and is NOT protected by Copyright Feel free to share republish sell and so on I am not asking you for donations fees or handouts If you can please provide a link to liberatedmanuals com so that free manuals come up first in search engines A HREFzhttp www liberatedmanuals com Free Military and Government Manuals lt A gt Sincerely Igor Chudov http igor chudov com
50. HEXAGON WINDOW RIGHT DOOR ee DOOR ASSY FRONT RING SNAP DOOR FRONT FASTENER C 27 5 00 4 AAPA TM 1 4920 458 13 amp P 1 2 3 4 S 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY 96 XBFZZ 59413 51 10015 FASTENER 7 97 XBFFF 59413 92 10132 INDICATOR AIRSPEED 1 98 PAFZZ 96906 MS28046T 1 INDICATOR AIRSPEED 1 99 PAFZZ 88044 AN6227 6 PACKING PREFORMED eem 1 100 PAFZZ 88044 AN919 2D REDUCER FLARED ee 1 101 XBFFF 59413 92 10133 INDICATOR ALTIMETER een 1 102 PAFZZ 81349 AAU 31 A INDICATOR ALTIMETER ee 1 103 PAFZZ 88044 AN6227 6 PACKING PREFORMED eem 1 104 PAFZZ 88044 AN919 2D REDUCER FLARED eee 1 105 XBFFF 59413 92 10134 INDICATOR RATE OF pp 1 106 PAFZZ 96906 MS25454 5 INDICATOR RATE eme 1 107 PAFZZ 88044 AN6227 6 PACKING PREFORMED eem 1 108 PAFZZ 88044 AN816 3 ADAPTER STRAIGHT e 1 END OF FIGURE C 28 TM 1 4920 458 13 amp P FIGURE C 5 BOTTOM PLATE ASSEMBLY 91 10004 SHEET 1 OF 4 C 29 TM 1 4920 458 13 amp P 25 26 FIGURE C 5 BOTTOM PLATE ASSEM
51. IL RESERVOIR Whenever the oil level of the reservoir falls below the minimum level indicated on the reservoir body add oil conforming to MIL H 5606 until oil is again at its proper level See a Remove right door 1 of Pitot static assembly to gain access to the filler valve port 2 b Unscrew cap 3 from nipple fitting on filler valve port 2 pointing upward Attach filler hose by turning clockwise c Setthe valve handle 4 to the fill position turning it 90 degrees clockwise d Once the filler hose is tightened place the opposite end of the hose in a container of oil conforming to MIL H 5606 e On front of chassis set the power switch to ON When oil level is within limits indicated on reservoir body remove filler hose from oil container to allow for drainage of oil in hose Set ON OFF switch to OFF f Disconnect the filler hose from the filler valve port 2 reinstall cap 3 and change the selector valve to RUN position as shown g Install right door 1 h The unit is now ready to perform its functional tests Lubricant Reservoir Capacitv Expected Intervals Temperatures Fluid Hydraulic 2 5 fl Oz All temperatures D Daily MIL H 5606 D3 6M 6 Months CAUTION Do not operate pump for more than 10 seconds without oil in reservoir as it will damage pump 1 Check for the presence of oil in both sump bowls daily when Tester is in use Oil in sump indicates filters need cleaning or repair 2 The oi
52. IX A REMOVAL AIRSPEED INDICATOR et et ae Er esae a e e eed 4 19 AIRSPEED SHUT OFF VALVE 4 23 inei cinia nene eee eaae ee ae eod 4 18 ALTIMETER SHUT OFF VALVE 4 22 BELEEOWS UR Q uhu NA Ana u u le Sa 4 45 add da E nnde aO 4 35 CHECK VAL VE O uuu 4 43 a a a a a aa aE 4 37 3 15 FUSEHO EDER 4 27 HOSES AND FITTINGS YPICAL 4 30 3 16 LIGHT ASSEMBLY 4 28 4 33 METERING VALVE TYPICAL 2 4 25 Index 5 TM 1 4920 458 13 amp P INDEX Subject Paragraph R CONT REMOVAL CONT eu iud 4 32 OIL RESERVOIR AND OR FILL AND RUN SELECTOR VALVE 4 41 SUMP CTYPIGAL ttti a ioo tee eo en eT dta 4 31 OVER PRESSURE RELIEF VALVE 4 29 POWER CONNEGTOR te e e ee e etta 4 38 PRESSURE THREE WAY SELECTOR VALVE 4 20 PUMP AND OR MOTOR ASSEMBLY
53. Install two diodes 7 through diode plate 6 using two washers 5 four insulators 4 two washers 3 two connectors 2 and two nuts 1 FOLLOW ON MAINTENANCE Performance check END OF TASK 4 55 TM 1 4920 458 13 amp P 4 40 REPAIR WIRING HARNESS Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Heat Shrink D2 Solder D5 Cable Ties DI Equipment Conditions Power disconnected control panel open all panels removed NA E lli IS 2 g 72 gt e 4 E ge GO TO NEXT PAGE 4 56 4 40 4 40 1 4 40 3 TM 1 492045813 amp P REPAIR WIRING HARNESS Cont Sheet 2 of 2 REMOVAL Tag and unsolder and pull wires from solder connections Tag and disconnect mechanically fastened wire leads by removing associated hardware nuts washers screws etc or by pulling outward INSTALLATION Install wires See 5 1 amp G 2 Solder wire to component leads using solder D5 and cover solder connections with heat shrink tubing D2 Connect mechanically fastened wire leads and secure by installing associated hardware nuts washers screws etc or by pushing inward FOLLOW ON MAINTENANCE Performance check END OF TASK 4 57 TM 1 4920 458 13 amp P 4 M REMOVE AND REPLACE OIL RESERVOIR AND OR FILL 8 RUN SELECTOR VALVE Sheet 1 of 2 Pers
54. Install two hoses 6 and remove tags Position valve 3 into panel 5 and secure with four mounting screws 4 Place handle 1 on valve 3 and orient to OPEN position Install screw 2 through handle 1 to valve 3 FOLLOW ON MAINTENANCE Performance check END OF TASK 4 19 TM 1 4920 458 13 amp P 4 22 REMOVE AND REPLACE ALTIMETER SHUT OFF VALVE Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Shut off valve Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open rear panel removed para 4 15 ROTATED FOR CLARITY GO TO NEXT PAGE 4 20 TM 1 4920 458 13 amp P 4 22 REMOVE AND REPLACE ALTIMETER SHUT OFF VALVE Cont Sheet 2 of 2 4 22 1 a b 4 22 3 REMOVAL Position handle 1 to OPEN position Remove screw 2 from end of handle 1 and remove handle 1 from valve 3 NOTE Prior to removal of valve note location of elbow fittings in relation to control panel Remove four mounting screws 4 from panel 5 and remove valve 3 from panel 5 Tag and disconnect three hoses 6 from fittings 7 and 8 Remove four fittings 7 8 and 9 from valve 3 INSTALLATION Apply Sealube D6 to four fittings 7 8 and 9 before installing into valve 3 Install four fittings 7 8 and 9 into valve 3 Install three hoses 6 to fittings 7 and 8
55. L TOOLS TMDE AND SUPPORT EQUIPMENT There are no special tools required for test or inspection procedures at the AVUM level 3 5 REPAIR PARTS Repair parts are listed in the Repair Parts and Special Tools List RPSTL Appendix C of this manual TM 1 4920 458 13 amp P Section Il Service Upon Receipt SECTION CONTENTS GENERAL 3 6 GENERAL Visually check the exterior of the Pitot and Static Systems Tester for any apparent damage Check contents to assure that all components listed in the Repair Parts and Special Tools List RPSTL of this manual are enclosed and undamaged Section Ill Preventive Maintenance Checks And Services PMCS SECTION CONTENTS GENERAL CLEANING FILLING OIL RESERVOIR DRAINING THE OIL SUMPS PERFORMANCE CHECKS 3 7 GENERAL Preventive maintenance for the Pitot and Static Systems Tester is covered by the following paragraphs as well as the Notes and Cautions in Chapter 2 and information listed in Table 2 1 These Notes and Cautions if followed assure that the equipment will be used in the proper manner 3 8 CLEANING CAUTION Use a soft cloth dampened with a solution of mild soap and water or isopropyl alcohol D4 for cleaning a Keep equipment free of dirt and grease Place protective cover over tester operator panel and external ports when not in use b Clean load cells prior to use to assure good mating surfaces for the adapters TM 1 4920 458 13 amp P 3 9 FILLING O
56. LBOW FLARED TUBE FITTING ASSY e VALVE SOLENOID ee SOLENOID VALVE es C 33 6 QTY 9 0 2 SMR CODE XBFZZ PAFZZ XBFZZ PAFZZ XBFFF XBFZZ XBFZZ 3 CAGE 59413 88044 59413 88044 59413 59413 59413 4 PART NUMBER 14 10005 AN816 3D 11 10006 7 AN822 3D 92 0005 35 0014 74 10013 TM 1 4920 458 13 amp P S 6 DESCRIPTION AND USABLE ON CODES UOC QTY VALVE SOLENOID hs EEBOW FL ARED u oe TUBE FITTING ASSY ADAPTER STRAIGHT DIODE PLATE ASSEMB DIODE PEATE DIODE C 34 END OF FIGURE N TM 1 4920 458 13 amp P This Page Intentionally Left Blank C 35 TM 1 4920 458 13 amp P FIGURE C 6 RESERVOIR ASSEMBLY C 36 TM 1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 01081401 FIGURE 6 RESERVOIR ASSEMBLY 92 0003 1 PAFZZ 88044 AN823 3D ELBOW FLARED eem 1 2 PAFZZ 88044 929 3 CAP ASSEMBLY e 1 3 PAFZZ 88044 AN822 3D ELBOW FLARED aaa 1 4 PAFZZ 88044 AN816 3D ADAPTER STRAIGHT 2 5 XBFZZ 59418 14 10004 VALVE GHEGCK eere is 1 6 XBFFF 59413 92 000
57. LIST FOR TESTER PITOT AND STATIC SYSTEM P N 3400 0003 NSN 4920 01 182 1972 REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS You can help improve this manual If you find any mistakes or if you know of a way to improve the procedures please let us know Mail your letter DA Form 2028 Recommended Changes to Publications and Blank Forms or DA Form 2028 2 located in the back of this manual directly to Commander U S Army Aviation and Troop Command ATM AMSAT I MP 4300 Goodfellow Boulevard St Louis MO 63120 1798 A reply will be furnished to you DISTRIBUTION STATEMENT A Approved for public release distribution Is unlimited TABLE OF CONTENTS Page CHAPTER 1 INTRODUCTION 1 1 General Information L nnne nnne enne 1 1 Equipment Description 1 3 Section Principles of 0 1 8 CHAPTER 2 OPERATING INSTRUCTIONS 2 1 Description and Use of Operator s Controls and Indicators Operator Preventive Maintenance Checks and Services Operation Under Usual Conditions Operation Under Unusual Conditions Lubrication Level Check nn TM 1 4920 458 13
58. MENT LIST For authorized tools and test equipment refer to Appendix 4 4 REPAIR PARTS Repair parts are listed in the Repair Parts and Special Tools List RPSTL APPENDIX this manual Section Il Service Upon Receipt 4 5 GENERAL a Visually check the exterior of the Pitot and Static Systems Tester for apparent damage Check contents to assure that all components listed irl APPENDIX C RPSTL of this manual are enclosed and undamaged b If the equipment has been damaged report the damage on SF 368 REPORT OF DISCREPANCIES Check the equipment against the packing slip to see if the shipment is complete Report any discrepancies in accordance with the instructions of DA PAM 738 751 TM 1 4920458 13 amp P Section Preventive Maintenance Checks And Services PMCS SECTION CONTENTS GENERAL CLEANING LUBRICATION EXTREME ENVIRONMENTAL MAINTENANCE CALIBRATION 4 6 GENERAL Inspect Pitot and Static Systems Tester for missing or damaged components Check for physical damage such as breaks cracks wear etc 4 7 CLEANING Isopropyl alcohol is flammable and toxic Use with adequate ventilation gloves and eye protection Do not use around heat open flames or sparks Use a soft cloth dampened with isopropyl alcohol for cleaning Keep equipment free of dirt and grease Place protective cover over the tester when not in use 4 8 LUBRICATION Perform the following services before operating the
59. OCEDURES SHUTDOWN PROCEDURES OPERATING PROCEDURES Place Tester on bench or platform where a source of DC or AC power is available Connect appropriate power source to connector on rear panel of Tester with appropriate power cable and adaptor for single phase per paragraph 2 2 Close all three instrument shut off valves on top of operator panel to OFF position CAUTION Vacuum valves must be open when operating pressure side pressure valves must be open when operating vacuum side Select aircraft instrument to be tested Open Control and Bleed needle valves of opposite side of Tester selected Set appropriate vacuum or pressure selector valve to instrument to be tested selection Make sure Control and Bleed needle valves to be used are both closed Open shut off valve for appropriate aircraft instrument to be tested Using hoses connect instrument aircraft to be tested to appropriate instrument Pitot or Static port on rear of Tester NOTE Altimeter and climb tests will be done using the Static port whereas airspeed tests will be done using the Pitot port Appropriate hose s and fittings for these hook ups are in the accessory storage compartment Turn the power switch to ON Indicator will light and motor pump assembly will start TM 1 4920 458 13 amp P OPERATING PROCEDURES CONT CAUTION When testing the rate of climb indicator and altimeter do not exceed 5000 feet per minute up or down
60. ODE 1 XBOFF 2 XBFFF 3 XBFFF CAGE 59413 59413 59413 4 PART NUMBER 92 10131 62 10058 90 50025 TM 1 4920 458 13 amp P 5 6 DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 04 FIGURE C 3 PITOT STATIC AND SYSTEMS TESTER 3400 0003 TESTER PITOT AND eH 1 STATIC SYSTEMS COVER ASSEMBLY SEE FIGURE 3 1 PITOT STATIC ASSY SEE FIGURE 4 1 END OF FIGURE TM 1 4920 458 13 amp P FIGURE C 3 COVER ASSEMBLY 62 1058 C 16 TM 1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0107 IFIGURE C 3 COVER ASSEMBLY 62 10058 1 XBFFF 59413 62 10064 LID SUBASSEMBLY 1 2 PAFZZ 96906 MS20470 A6 7 Sas n sunsu suu act ety eet cantare 20 3 XBFZZ 59413 61 10015 INGE sineret tete iiie T e LE 1 4 XBFZZ 59413 32 10003 2 5 XBFZZ 59413 35 10067 FORMED ntn e e etta 1 6 XBFZZ 59413 51 10017 STRIKE 2 7 XBFZZ 59413 61 10016 CHAIN GUT cuui 2 8 XBFFF 59413 62 10065 COVER SUBASSEMBLY 1 9 XBFZZ 59413 51 10016 MIS MPO 2 10 PAFZZ 96906 MS20470 A4 6 d dci UE 12 11 XBFZZ 59413 35 10061 oum Net Ctt 2 12 XBFZZ 59413 51 10017 STRIKE 4 13 XBFZZ 59413
61. PLACE OVER PRESSURE RELIEF VALVE Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Filter Sealube D6 Equipment Conditions Power disconnected back panel removed right panel removed REMOVED FOR CLARITY GO TO NEXT PAGE 4 34 TM 1 4920458 13 amp P 4 29 REMOVE AND REPLACE OVER PRESSURE RELIEF VALVE Cont Sheet 2 of 2 4 29 1 REMOVAL Remove over pressure relief valve 1 from oil sump 2 by turning over pressure relief valve 1 counterclockwise 4 29 2 INSTALLATION a Apply Sealube D6 to over pressure relief valve 1 b Install over pressure relief valve 1 onto oil sump 2 by turning over pressure relief valve 1 clockwise 4 29 3 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 35 TM 1 4920 458 13 amp P 4 30 REMOVE AND REPLACE HOSES AND FITTINGS TYPICAL Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Hoses and fittings Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open back panel right and left panel removed 27 GO TO NEXT PAGE 4 36 4 30 4 30 1 4 30 2 a b 4 30 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE HOSES AND FITTINGS TYPICAL Cont Sheet 2 of 2 REMOVAL Tag and remove hoses 1 by turning
62. PROCEDURES 2 6 OPERATION UNDER UNUSUAL CONDITIONS UNUSUAL CONDITIONS a am apo i AVE AS 2 8 EXTREME ENVIRONMENTAL 2 9 OPERATOR PREVENTIVE CHECKS AND SERVICES BEFORE YOU OPERATE E o ema tret ust basta ss mit qu dI 2 4 PERFORMANCE tuens dd eel a 2 5 OIL RESERVOIR FILLING PROCEDURES ic chk bats Stace ahis un EAR eon Cd ed 3 9 OIL SUMPS DRAINING PROCEDURES 3 10 PERFORMANCE CHECKS LK 3 11 PITOT AND STATIC SYSTEMS TESTER INSPECTION 3 13 PITOT AND STATIC SYSTEMS TESTER INSPECTION FAULT ISOLATION 4 12 AND STATIC SYSTEMS TESTER CALIBRATION 4 16 POWER INPUT CRISE RN E S Eu 1 7 PRE OPERA TION PROCEDURES M OM MU ut 2 2 Index 4 TM 1 4920 458 13 amp P INDEX Subject Paragraph P CONT PREPARATION FOR SHIPMENT 3 18 PREPARATION FOR 3 17 PREVENTIVE MAINTENANCE CHECKS AND SERVICES PMCS GENERAL 3 7 amp 4 6 PRINCIPLES OF OPERATION c c Ca 1 10 Reden APPEND
63. Phy Sec C1 T Top Secret C 6 TM 1 4920 458 13 amp P Items that are included in kits and sets are listed below the name of the kit or set Spare repair parts that make up an assembled item are listed immediately following the assembled item line entry Part numbers for bulk materials are referenced in this column in the line item entry for the Item to be manufactured fabricated When the item is not used with all serial numbers of the same model the effective serial numbers are shown on the last line of the description before UOC The usable on code when applicable see paragraph 5 Special Information In the Special Tools List section the basis of issue appears as the last line s in the entry for each special tool special TMDE and other special support equipment When density of equipments supported exceeds density spread indicated in the basis of issue the total authorization is increased proportionately The statement END OF FIGURE appears just below the last item description in Column 5 for given figure in both Section II and Section III QTY Column 6 The QTY quantity per figure column indicated the quantity of the item used in the breakout shown on the illustration figure which is prepared for a functional group subfunctional group or an assembly A V appearing in this column in lieu of a quantity indicates that the quantity is variable and the quantity may vary from application to application
64. S Department of the Army forms and procedures used for equipment maintenance will be those prescribed by DA PAM 738 751 Functional User s Manual for The Army Maintenance Management System Aviation TAMMS A 1 3 DESTRUCTION OF ARMY MATERIEL PREVENT ENEMY USE Refer to TM 750 244 1 4 Electrical Material Procedures for Destruction to Prevent Enemy Use 1 4 ADMINISTRATIVE STORAGE For storage and shipment information refer 10 Chapter 3 1 5 REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS EIRS If your equipment needs improvement let us know Send us an EIR You the user are the only one who can tell us what you don t like about your equipment Let us know why you don t like the design put it on an SF 368 Quality Deficiency Report Mail it to us at U S Army Aviation and Troop Command ATTN AMSAT I MDO 4300 Goodfellow Blvd St Louis MO 63120 1798 We ll send you a reply TM 1 4920 458 13 amp P Section Ill Equipment Description SECTION CONTENTS FUNCTION INPUT POWER LOCATION AND DESCRIPTION OF MAJOR COMPONENTS EQUIPMENT DATA 1 6 FUNCTION The Pitot and Static Systems Tester is a pneumatic testing system that simulates aircraft airspeed from 0 400 knots altitude from 1000 to 35 000 feet and rate of climb from 6000 feet per minute Pitot and Static Systems Tester can also be tested for leakage The control panel of the Tester contains the three 3 appropriate aircraft instruments Rate of Climb Alti
65. Selector Knob 5 The pressure selector knob has three positions and operates a valve which controls the pressure systems required to test aircraft instruments Pressure Bleed Down Knob 6 Counterclockwise rotation of pressure bleed down knob opens a needle valve allowing system pressure to bleed off ROTATE clockwise for pressure up Pressure Control Knob 7 Counterclockwise rotation of pressure control knob opens a needle valve allowing pressure in system to increase Vacuum Bleed Knob 8 Counterclockwise rotation of vacuum bleed knob permits system vacuum to bleed off ROTATE clockwise for vacuum up Vacuum Control Knob 9 Counterclockwise rotation of vacuum control knob opens a needle valve and provides increased vacuum in system Shut off Valves 10 Shut off valves located on the top of the operator panel are provided for testing aircraft instruments and checking the master instruments for leaks Altimeter Indicator 11 The altimeter indicator measures from 1 000 feet below to 35 000 feet above sea level at a rate of 6 000 feet per minute TM 1 4920 458 13 amp P CONTROLS AND INDICATORS CONT 2 3 TM 1 4920 458 13 amp P CONTROLS AND INDICATORS CONT Airspeed Indicator 12 The airspeed indicator measures the differential between Pitot and static pressures created by the tester in a range between 0 and 400 knots and is used to test the accuracy of airspeed indicators Rate of Climb Indicator 13 The rat
66. T AND STATIC SYSTEMS 3 13 INSTALLATION AIRSPEED 4 19 AIRSPEED SHUT OFF VALVE u ua am eh tee date dade dadedadedaudads 4 23 aan aw tecto t momo kaka eee Ud 4 18 ALTIMETER SHUT OFF VALVES 2 4 22 BELOW S 228 222 2 8 das 4 45 CAPACITOR eed dined dined ined eed ail 4 35 GEECHRAIDMES 2 228522 2 8 54228 4 43 edente Daaedudtedudadededadadadadedadae 4 37 FUSE sia U 3 15 FUSE HOLDER EDT 4 27 HOSES AND FITTINGS 4 30 LAMP i in E 3 16 LIGHT ASSEMBLY isnt eee een eh hee Roe ee eet 4 28 oe ee e edit 4 33 METERING VALVE TYPICAL Beanie eee dia 4 25 OIL EIER iiit ot ote 4 32 OIL RESERVOIR AND OR FILL AND RUN SELECTOR 4 41 OIL SUMP TYPICAL site Ai eee d teta 4 31 Index 2 TM 1 4920 458 13 amp P INDEX Subject Paragraph I CONT INSTALLATION CONT OVER PRESSURE RELIEF VALVE 4 29 POWER CONNECTOR ae aca
67. TM 1 4920 458 13 amp P TECHNICAL MANUAL OPERATOR S AVIATION UNIT AND INTERMEDIATE MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST FOR TESTER PITOT AND STATIC SYSTEM P N 3400 0003 NSN 4920 01 182 1972 DISTRIBUTION STATEMENT A Approved for public release distribution is unlimited Headquarters Department of the Army 29 APRIL 1994 TM 1 4920 458 13 amp P WARNING A warning highlights a procedure practice etc which if not correctly followed could result in personnel injury or loss of life Isopropyl alcohol is flammable and toxic Use with adequate ventilation gloves and eye protection Do not use around heat open flames or sparks HIGH VOLTAGE is used in the operation of this equipment DEATH ON CONTACT may result if personnel fail to observe safety precautions Learn the areas containing high voltage in each piece of equipment Be careful not to contact high voltage connections when installing or operating this equipment Before working inside the equipment turn power off and ground points of high potential before touching them DON T TAKE CHANCES For artificial respiration refer to FM 21 11 a b blank TM 1 4920 458 13 amp P TECHNICAL MANUAL No 1 4920 458 13 amp P Headquarters Department of the Army WASHINGTON D C 29 April 1994 TECHNICAL MANUAL OPERATOR S AVIATION UNIT AND INTERMEDIATE MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS
68. TOOLS TMDE AND SUPPORT EQUIPMENT 3 4 T TABLE 1 1 EQUIPMENT ete e e ele 1 9 TABLE 2 1 OPERATOR CRES PREVENTATIVE MAINTENANCE CHECK AND SERVICES Saee u 2 4 TABLE 2 2 PERFORMANCE aes 2 5 TOOLS AND TEST EQUIPMENT LIS T u 3 3 TORQUE eee APPENDIX F TROUBLESHOOTING GENERAL 3 12 4 11 TROUBLESHOOTING PROCEDURE 1 MOTOR AND OR INDICATOR LAMP DOES NOT 4 13 TROUBLESHOOTING PROCEDURE 2 TESTER DOES NOT BUILD OR HOLD PRESSURE AIRSPEEDNACUUM ALTIMETER 4 14 U UNUSUAL GONDITIONS 2 8 V VALVES AIRSPEED SHUT OFF VALVE cod UE UE LEE 4 23 ALTIMETER SHUT OFF VALVE octo uy oe LL D MD DE 4 22 CHECK VALVE S Sere c ID DU 4 43 FILL AND RUN SELECTOR VALVE rente nette le lets 4 41 Index 7 TM 1 4920 458 13 amp P INDEX Subject Paragraph V CONT VALVES CONT METERING VALVE 4 25 PRESSURE THREE WAY SELECTOR 4 20 RATE OF CLIMB TWO WAY SHUT OFF 4 21 VAIEVES rtt cedet cet ce ene rte eee eere Pb ere as 4 44 VACUUM TWO WAY SHUT OFF 4 24 W WIRING HARNESS ASSEMBLY
69. VIATION UNIT MAINTENANCE AVUM INSTRUCTIONS CHAPTER CONTENTS Section REPAIR PARTS SPECIAL TOOLS TMDE AND SUPPORT EQUIPMENT Section II SERVICE UPON RECEIPT Section ll PREVENTIVE MAINTENANCE CHECKS AND SERVICES PMCS Section IV TROUBLESHOOTING Section MAINTENANCE PROCEDURES Section V PREPARATION FOR STORAGE OR SHIPMENT 3 1 GENERAL This chapter contains maintenance procedures that are the responsibility of the aviation unit maintenance technician as authorized by the Maintenance Allocation Chart MAC and Source Maintenance and Recoverability SMR coded items in the Repair Parts and Special Tools List RPSTL The maintenance procedures in this chapter are prepared in the form of summary and detailed procedures 3 2 MAINTENANCE OPERATIONS These instructions provide the proper technique and detailed procedures required to perform the maintenance operations Each maintenance operation provides step by step instructions in the order in which the work is most logically accomplished Any unusual or critical steps are covered in detail TM 1 4920 458 13 amp P Section Repair Parts Special Tools TMDE And Support Equipment SECTION CONTENTS TOOLS AND TEST EQUIPMENT LIST SPECIAL TOOLS TMDE AND SUPPORT EQUIPMENT REPAIR PARTS 3 3 TOOLS AND TEST EQUIPMENT LIST Tools and test equipment required for maintenance of the Pitot and Static System Tester are identified on page B7 to perform the operation 3 4 SPECIA
70. ZZ 59413 92 10120 BELLOW ASSY VACUUM 1 7 XBFZZ 59413 62 10050 0 1 8 XBFFF 59413 92 10119 BELLOWS ASSY PRESSU 1 9 XBFZZ 59413 23 10003 COUPLING BELLOWS 1 10 XBFZZ 59413 23 10006 1 11 XBFZZ 59413 23 10005 BUTTON BELLOWS e 1 12 PAFZZ 96906 MS35649 224 NUT PLAIN HEXAGON 1 13 XBFZZ 59413 35 10040 SCREW MACHINE 1 END OF FIGURE C 41 TM1 4920 458 13 amp P E fox om 1 6 7 8 x 212 e e 2 C FIGURE C 9 STATIC CLAMP ASSEMBLY 92 10113 TM1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP 0101 FIGURE 9 CLAMP ASSEMBLY STATIC 92 10113 1 PAFZZ 96906 MS35425 70 NUT WING trece eR eta etta 2 2 XBFZZ 59413 47 10015 NUT 3 3 XBFZZ 59413 12 10005 TUBING eee x d e e u 1 4 PAFZZ 88044 AN916 1D ELBOW PIPE uuu aaa e el hd ibat 1 5 PAFZZ 88044 AN816 4D ADAPTER STRAIGHT 1 6 XBFZZ 59418 35 10010 PLATESTATICO iit tte seen 1 7 PAFZZ 96906 MS27183 17 WASHER FLAT netter nece 1 8 XBFZZ 59413 21 10002 SUCTION m 2 9 XBFZZ 59413 21 10001 SUCTION CUP C
71. activity which controls the design and characteristics of the item by means of its engineering drawings specifications standards and inspection requirements to identify an item or range of items STOCK NUMBER Column This column lists the NSN for the associated part number and manufacturer identified in the PART NUMBER and CAGE columns to the left FIGURE Column This column lists the number of the figure where the item is identified located in Section II and Ill ITEM Column The item number is that number assigned to the item as it appears in the figure referenced in the adjacent figure number column C 5 C 6 STEP 1 STEP2 STEP 3 STEP 4 STEP 5 TM 1 4920 458 13 amp P SPECIAL INFORMATION Use the following subparagraphs as applicable USABLE ON CODE The usable on code appears in the lower left corner of the Description column heading Usable on codes are shown as in the Description Column justified left on the first line applicable item description nomenclature Uncoded items are applicable to all models Identification of the usable on codes used in the RPSTL are Code Used On N A N A FABRICATION INSTRUCTIONS Bulk materials required to manufacture items are listed in the Bulk Materials functional Group of the RPSTL Part number of bulk materials are also referenced in the description column of the line item entry for the item to be manufactured fabricated ASSEMBLY INSTRUCTION N A KITS Line item entri
72. ation maintenance category authorization criteria and disposition instruction as shown in the following breakout Source Maintenance Recoverability Code Code Code A PAFDZ Who can install Who can do complete replace or use repair on the item the item Who determines disposition action How you get it on an unserviceable item Complete Repair maintenance capacity capability and authority to perform all corrective maintenance tasks of the Repair function in a use user environment in order to restore serviceability to a failed item 1 Source Code The source code tells you how to get an item needed for maintenance repair or overhaul of an end item equipment Explanations of source codes follows Code 00000 Explanation Stocked items use the applicable NSN to request requisition items with these source codes They are authorized to the category indicated by the code entered in the 3rd position of the SMR code NOTE Items coded PC are subject to deteriora tion 2 TM 1 4920458 13 amp P KO made at Org AVUM level MF made at DS AVIM level MH made at GS level ML made at Specialized Repair Activity SRA MD made at Depot AO assembled at Org AVUM lev el AF assembled at DS AVIM level AH assembled at GS level AL assembled by SRA AD assembled at Depot Items with these codes are not to be requested requisitioned individually They are part of a kit whic
73. before mounting valve 3 and remove tags Position valve 3 into panel 5 and secure with four mounting screws 4 Place handle 1 on valve 3 and orient to OPEN position Install screw 2 through handle 1 to valve 3 FOLLOW ON MAINTENANCE Performance check END OF TASK 4 21 TM 1 4920 458 13 amp P 4 23 REMOVE AND REPLACE AIRSPEED SHUT OFF VALVE Sheet 1 of 2 Personnel Required 35H Calibration and Repair Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Airspeed shut off valve Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open rear panel removed para 4 15 ROTATED FOR CLARITY GO TO NEXT PAGE 4 22 TM 1 4920 458 13 amp P 4 23 REMOVE AND REPLACE AIRSPEED SHUT OFF VALVE Cont Sheet 2 of 2 4 23 1 REMOVAL a Position handle 1 to OPEN position b Remove screw 2 from end of handle 1 and remove handle 1 from valve 3 NOTE Prior to removal of valve note location of elbow fittings in relation to control panel c Remove four mounting screws 4 from panel 5 and remove valve 3 d Tag and disconnect two hoses 6 from elbow fittings 7 e Remove two elbow fittings 7 from valve 3 f Remove fitting 8 from valve 3 4 23 2 INSTALLATION a Apply Sealube D6 to three fittings 7 and 8 before installing into valve 3 b Install two elbow fittings 7 and fitting 8 into valve
74. dy or damaged 02 Cover Check for damage to aluminum Assembl case latches and hinges 03 B A Component Check for damage or dirt Indicators valves lgt Parts Clean as necessary etc damaged or broken return for repair and 04 B A AC DC Check for loose or broken Cables require repair Power cables on connectors Cables Replace as necessary TM 1 4920 458 13 amp P 2 5 PERFORMANCE CHECK Set Tester on level work platform with a source of DC or AC power available Ensure oil level within limits before powering up Look through window on side of Tester and ensure oil level in reservoir is within MAX and MIN indicating lines on oil reservoir Refer to para 3 9 Apply pressure to airspeed indicator in accordance with Table 2 2 readings Apply vacuum to Altimeter Rate of Climb in accordance with Table 2 2 readings TABLE 2 2 Performance Check OVERPRESSURE SYSTEM LEAK MAX ALLOWABLE INSTRUMENT CHECK SAFETY CHECK LEAK RATE PER OPERATIONAL RATE POINT RELIEF POINT POINT MIN AIRSPEED 20 FULL SCALE PRESSURE 400 KNOTS 200 KNOTS 6 KNOTS MIN 25 Sec Mi 35 Sec Max RATE OF CLIMB NOT ALTITUDE 35 000F 5 000 FT 25 000 FT 250 FT MIN TO EXCEED 5 000 FT 35 000 FT 0000 PER MIN ASCENDING OR DESCENDING RATE OF CLIMB NOT NEGATIVE ALT 1 000 FT 50 FT MIN TO EXCEED 5 000 FT PER MIN ASCENDING OR DESCENDING TM 1 4920 458 13 amp P Section Operation Under Usual Conditions SECTION CONTENTS OPERATING PR
75. e line 9 to check valve assembly 10 Connect rigid pressure line 7 to fitting 8 and connect rigid pressure line 5 to fitting 6 FOLLOW ON MAINTENANCE Service reservoir Chapter 3 Performance check END OF TASK 4 59 TM 1 4920458 13 amp P 4 42 REMOVE AND REPLACE RIGID PRESSURE LINES TYPICAL Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Rigid Pressure lines Equipment Conditions Power disconnected valve cover panel open control panel open all panels removed para 4 15 GO TO NEXT PAGE 4 60 TM 1 4920 458 13 amp P 4 42 REMOVE AND REPLACE RIGID PRESSURE LINES TYPICAL Cont Sheet 2 of 2 4 42 1 REMOVAL Disconnect pressure line 1 by turning end fitting 2 counterclockwise until disconnected Repeatthe same process for opposite end 4 42 2 INSTALLATION Install pressure line 1 by turning end fitting 2 clockwise Repeat same process for opposite end 4 42 3 FOLLOW ON MAINTENANCE Performance check END OF TASK 4 61 TM 1 4920 458 13 amp P 4 43 REMOVE AND REPLACE CHECK VALVES Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Check Valve Sealube D6 Equipment Conditions Power disconnected side and rear panels removed GO TO NEXT PAGE 4 62 4 43 4 43 1 g h 4 43
76. e of climb indicator measures the rate of change during climb or dive of altimeter aircraft Do not run tester at a rate exceeding 5 000 feet per minute Fill and Run Selector Valve 1 The selector valve 1 is in line between the oil reservoir 2 and the pump 3 as shown The handle 4 on the valve has three positions for use as follows 1 The direction as shown is for normal operations 2 When the valve is turned 90 degrees counter clockwise it is in the fill position 3 When the valve is turn 90 degrees clockwise it is in the drain position TM 1 4920 458 13 amp P Section Il Operator Preventive Maintenance Checks And Services SECTION CONTENTS BEFORE YOU OPERATE PERFORMANCE CHECK 2 4 BEFORE YOU OPERATE Always keep in mind CAUTIONS and WARNINGS Handle the Pitot and Static tester like you would any other delicate piece of electronic equipment Table 2 1 normal preventive maintenance checks and services NOTE Within designated interval these checks are to be performed in the order listed B Before A After TABLE 2 1 Operator Crew Preventive Maintenance Checks and Services Procedures Item Inter Item to be Check for and have Equipment is not ready No val Inspected repaired or adjust as available if contents wet B A necessar 01 Oil level Check oil level before Oil level in reservoir is in reservoir powering and testing not between maximum and minimum levels indicated on reservoir bo
77. elbow fittings 7 before installing into valve 3 Install three elbow fittings 7 into valve 3 Connect three hoses 6 to elbow fittings 7 and remove tags Position valve 3 Into panel 5 and secure with four mounting screws 4 Place handle 1 on valve 3 and orient to OFF position Install screw 2 through handle 1 to valve 3 END OF TASK 4 17 TM 1 4920458 13 amp P 4 21 REMOVE AND REPLACE RATE OF CLIMB TWO WAY SHUT OFF VALVE Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Shutoff valve Sealube D6 Equipment Conditions Power disconnected valve cover panel open rear panel removed control panel open para 4 15 ROTATED FOR CLARITY GO TO NEXT PAGE 4 18 TM 1 492045813 amp P 4 21 REMOVE AND REPLACE RATE OF CLIMB TWO WAY SHUT OFF VALVE Cont Sheet 2 of 2 4 21 1 a b 4 21 3 REMOVAL Position handle 1 to OPEN position Remove screw 2 from end of handle 1 and remove handle 1 from valve 3 NOTE Prior to removal of valve note location of elbow fittings in relation to control panel Remove four mounting screws 4 from panel 5 and remove valve 3 Tag and disconnect two hoses 6 from fittings 7 on valve 3 Remove fittings 7 from valve 3 INSTALLATION Apply Sealube D6 to fittings 7 before installing into valve 3 Install fittings 7 on valve 3
78. emoved GO TO NEXT PAGE 4 66 TM 1 4920 458 13 amp P 4 45 REMOVAL AND REPLACEMENT OF BELLOWS Sheet 2 of 2 4 45 1 REMOVAL a Unsolder and remove two wires 1 and 2 from bellows 3 b Tag and remove flex hose 4 from elbow fitting 5 c Tag remove flex hose 6 from elbow fitting 7 d Remove two screws 8 from bottom of chassis plate 9 and remove bellows 3 e Remove elbow fittings 5 and 7 4 45 2 INSTALLATION a Apply sealube D6 to elbow fittings 5 and 7 and install b Secure bellows 3 to chassis plate 9 with two screws 8 through bottom of chassis plate 9 c Attach flex hose 6 to elbow fitting 7 and remove tag d Attach flex hose 4 to elbow fitting 5 and remove tag e Using solder D5 attach two wires 1 and 2 to bellows 3 END OF TASK 4 67 4 68 blank TM 1 4920 458 13 amp P APPENDIX A REFERENCES A 1 DICTIONARIES OF TERMS AND ABBREVIATIONS AR 310 25 Dictionary of United States Army Terms AR 310 50 Authorized Abbreviations and Brevity Codes A 2 PUBLICATION INDEXES DA PAM 25 30 Consolidated Index of Army Publications and Blank Forms A 3 LOGISTICS AND STORAGE TM 1 1500 204 23 Series General Aircraft Maintenance Manual TM 743 200 1 Storage and Materials Handling A 4 MAINTENANCE OF SUPPLIES AND EQUIPMENT AR 750 1 Army Material Maintenance Concepts and Policies and Retain Maintenance Operations DA PAM 738 751 Functional Users manual for the Army Maint
79. enance Management System Aviation TAMMS A TM 43 0139 Painting Operations Instructions for Field Use TB 43 180 Calibration and Repair Requirements for the Maintenance of Army Material A 5 OTHER PUBLICATIONS AR 420 90 Fire Protection AR 55 38 Reporting of Transportation Discrepancies in Shipments AR 700 58 Packaging Improvement Report DA PAM 310 13 Posting and Filing Publications FM 21 11 First Aid for Soldiers TM 750 244 1 4 Procedures for the Destruction of Aviation Ground Support Equipment FSC 4920 to Prevent Enemy Use A 1 A 2 blank B 1 C d B 2 TM 1 4920458 13 amp P APPENDIX B MAINTENANCE ALLOCATION CHART SECTION I Introduction GENERAL This section provides a general explanation of all maintenance and repair functions authorized at various maintenance categories The Maintenance Allocation Chart MAC Section II designates overall authority and responsibility for the performance of maintenance functions on the identified end item or component The application of the maintenance functions to the end item or component will be consistent with the capacities and capabilities of the designated maintenance categories Section lists the tools and test equipment both special tools and common tool sets required for each l maintenance function as referenced fro Section IV contains supplemental instructions and explanatory notes for a particular maintenance function M
80. es for repair parts kits appear a group in Section INDEX NUMBERS Items which have the work BULK in the figure column will have an index number shown in the item number column This index number is a cross reference between the National Stock Number Part Number Index and the bulk material list in Section II ASSOCIATED PUBLICATIONS N A HOW TO LOCATE REPAIR PARTS When National Stock Number or Part Number is not known Using the table of contents determine the assembly group or subassembly group to which the item belongs This is necessary since figures are prepared for assembly and subassembly groups and listings are divided into the same groups Find the figure covering the assembly group or subassembly group to which the item belongs Identify the item on the figure and note the item number Refer to the Repair Parts List for the figure to find the part number for the item number noted on the figure Refer to the Part Number Index to find the NSN if assigned TM 1 4920 458 13 amp P B When National Stock Number or Part Number is known STEP 1 Using the Index of National Stock Numbers and Part Numbers find the pertinent National Stock Number or Part Number the NSN index is in National Item Identification Number NIIN sequence 25 part numbers in the Part Number Index are listed in ascending alphanumeric sequence seel C 4 B Both indexes cross reference you to the illustration figure and Item Number of the item you are
81. four nuts 5 and four flat washers 6 from screws 7 holding transformer 8 to the base of chassis 9 Remove two wire connectors 10 and 11 Remove transformer 8 from base of chassis 9 INSTALLATION Install transformer 8 on screws 7 Install two wire connectors 10 and 11 Secure transformer 8 to base of chassis 9 with four flat washers 6 and four nuts 5 on screws 7 Solder four wires 1 2 3 and 4 to leads of transformer 8 using solder D5 and remove tags FOLLOW ON MAINTENANCE Performance check 2 5 END OF TASK 4 49 TM 1 4920 458 13 amp P 4 37 REMOVE AND REPLACE EMI FILTER Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts EMI Filter Heat Shrink D2 Solder D5 Equipment Conditions Power disconnected valve cover panel open left amp rear panels removed BACK VIEW Oa ss TY po 8 8 6 1 1 i MO 4 50 4 37 4 37 1 e f 4 37 3 REMOVE AND REPLACE EMI FILTER Cont Sheet 2 of 2 REMOVAL Remove four nuts 1 securing wires 2 to EMI filter 3 Tag amp remove wires 2 Remove sleeving on wires 4 and 5 Tag and unsolder wires 4 and 5 Remove two mounting nuts 6 and two washers 7 from two mounting screws 8 Remove EMI filter 3 from cha
82. h is authorized to the maintenance catego ry indicated in the 3rd position of the SMR code The complete kit must be requisitioned and ap plied Items with these codes are not to be requested requisitioned individually They must be made from bulk material which is identified by part number in the DESCRIPTION AND USABLE ON CODE UOC column and listed in the Bulk Material group of the repair parts list in this RPSTL If the item is authorized to you by the 3rd position of the SMR code but the source code indicates it is made at a higher level order the item from the higher level of maintenance Items with those codes are not to be requested requisitioned individually The parts that make up the assembled item must be requisitioned or fabricated at the level of maintenance indicated by the source code If the 3rd position autho rizes you to replace the item but the source code indicates the item is assembled at a higher level order the item from the higher level of mainte nance Do not requisition an XA coded item its next higher assembly Also refer to the NOTE If an XB item is not available for salvage or der it using the CAGE and part number given Installation drawing diagram instruction sheet field service drawing that is identified by manufacturer s part number NOTE Cannibalization or controlled exchange when authorized may be used as a source of supply for items with the above source codes
83. h passes through the check valve and the sump which prevents oil from entering the instrument lines The vacuum INCREASE valve controls the amount of vacuum in the system and the vacuum DECREASE valve opens the line to the ambient air allowing the system vacuum to bleed off 1 8 TM 1 4920 458 13 amp P CHAPTER 2 OPERATING INSTRUCTIONS CHAPTER CONTENTS DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS Section OPERATION UNDER USUAL CONDITIONS OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES Section OPERATION UNDER UNUSUAL CONDITIONS LUBRICATION LEVEL CHECK Section 1 Description And Use Of Operator Controls And Indicators SECTION CONTENTS GENERAL PRE OPERATION PROCEDURES CONTROLS AND INDICATORS 2 1 TM 1 4920 458 13 amp P GENERAL This chapter contains instructions for operating the Pitot and Static Systems Tester Operating personnel should be familiar with aircraft Pitot and Static systems and instruments to be tested 2 2 PRE OPERATION PROCEDURES CAUTION Handle the tester with care as the delicate instrumentation it incorporates can easily be damaged by shock of improper handling procedures CAUTION To prepare the tester for use set the tester on a level bench or platform with an AC or DC power source available CAUTION DO NOT force tighten control valves damage will occur to the needle point of the valve Set power ON OFF switch to OFF close four Vacuum and Press
84. hes hinges and catches for damage d Replace all missing parts Refer t Appendix C e Clean all components END OF TASK TM 1 4920458 13 amp P 3 14 ACCESSORY STORAGE INSPECTION Personnel Required 68F Aircraft Electrician Parts Accessory Storage Compartment Components Equipment Conditions Power disconnected cover removed from tester storage compartment door open 3 14 1 INSPECTION a Check that all components are accounted for and undamaged Refer td Appendix C figure 1 b Account for the following components ITEM QTY DESCRIPTION 5 ft hose assembly 6 ft hose assembly 15 in hose assembly filler hose Adapter cable DC power cable AC 3 phase power cable AC single phase cable Pitot connector Hose Clamp Union Flared Tube Fitting Clamp assembly static O Q N Pp SH 3 14 2 REMOVAL Remove any worn or damaged components from the storage compartment 3 14 3 INSTALLATION Install new part s in storage compartment to replace worn or damaged components END OF TASK 3 10 TM 1 4920458 13 amp P Section V Maintenance Procedures SECTION CONTENTS FUSE REMOVAL AND REPLACEMENT LAMP BULB REMOVAL amp REPLACEMENT 3 15 FUSE REMOVAL AND REPLACEMENT Sheet 1 of 2 Personnel Required 68F Aircraft Electrician Parts Fuse 5 AMP P N 6610084 Equipment Condition Power disconnected cover removed 3 15 1 REMOVAL a
85. ilter Assembly Inspect Replace Repair Solenoid Valve Inspect Replace Solenoid Valve Inspect Replace Metering Valve Inspect Replace Metering Valve Inspect Replace B 6 TM 1 4920 458 13 amp P SECTION Ill Tools and Test Equipment Requirements REFERENCE NATIONAL CODE MAINTENANCE STOCK CATEGORY NOMENCLATURE NUMBER TOOL NUMBER AN GSM 286 287 6695 01 081 0960 Tool Kit Electrical 5180 00 323 4915 5 5180 99 06 or equivalent Tool Kit Airframe 5180 00 323 4876 5 5180 99 02 Repair Shop Set AVIM 4920 00 165 1453 SC4920 99 A80 Electric Instrument TM 1 4920 458 13 amp P SECTION IV MAC Reference Code and Remarks MAINTENANCE ALLOCATION CHART REFERENCE CODE REMARKS A Visual inspection only B Continuity test C Replace components TM 1 4920 458 13 amp P APPENDIX C REPAIR PARTS AND SPECIAL TOOLS LIST SECTION I Introduction C 1 SCOPE This RPSTL lists and authorizes spares and repair parts special tools special test measurement and diagnostic equipment TMDE and other special support equip ment required for performance of AVIM AVUM maintenance of the pitot amp static systems tester It authorizes the requisitioning issue and disposition of spares repair parts and special tools as indicated by the source maintenance and recoverability SMR codes C 2 GENERAL In addition to Introduction this Repair Parts and special Tools List is divided into the following sections a Section 1 Repai
86. l 6 4 19 2 INSTALLATION a Install airspeed indicator 4 in tester control panel 6 and align mounting holes b Secure airspeed indicator 4 to tester control panel 6 with four screws 7 from outside tester control panel 6 and install four nuts 5 c Install fitting 2 and connect hose 1 with preformed packing 3 to port at end of airspeed indicator 4 4 19 3 FOLLOW ON MAINTENANCE Calibration TB 43 180 Performance check END OF TASK 4 15 TM 1 4920 458 13 amp P 4 20 REMOVE AND REPLACE PRESSURE THREE WAY SELECTOR VALVE Sheet of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Selector valve Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open ROTATED FOR CLARITY GO TO NEXT PAGE 4 16 TM 1 4920 458 13 amp P 4 20 REMOVE AND REPLACE PRESSURE THREE WAY SELECTOR VALVE Cont Sheet 2 of 2 4 20 1 a b REMOVAL Position handle 1 to OFF position Remove screw 2 from end of handle 1 and remove handle 1 from valve 3 NOTE Prior to removal of valve note location of elbow fittings in relation to control panel Remove four mounting screws 4 from tester control panel 5 and remove valve 3 Tag and disconnect three hoses 6 from elbow fittings 7 Remove three elbow fittings 7 from valve 3 INSTALLATION Apply Sealube D6 to three
87. l or aviation unit is the lowest level that can do complete repair or the item ELE General support is the lowest level that can do complete repair on the item 0 F H Specialized repair activity designates the specialized repair activity is the lowest level that can do complete repair on the item Depot is the lowest level that can do complete repair on the item Nonrepairable No repair is authorized No repair is authorized No parts or special tools are authorized for the maintenance of a B coded item However the item may be reconditioned by adjusting lubricating etc at the user level 5 TM 1 4920 458 13 amp P 3 Recoverability Code Recoverability codes are assigned to items to indicate the disposition action on unserviceable items The recoverability code is entered in the fifty position of the SMR Code as follows Application Explanation Nonrepairable Item When unserviceable condemn and dispose of item at the level of maintenance shown in the 3rd position of the SMR code Repairable Item When uneconomically repairable condemn and dispose of item at organizational or aviation unit level F Repairable Item When unserviceable condemn and dispose of item at the direct support level H Repairable Item When uneconomically repairable condemn and dispose of item at general support level Repairable Item When beyond lower level repair capability return to depot Condemnation and disposal of item no
88. l in the reservoir shall be cleaned at monthly intervals or more frequently if conditions warrant TM 1 4920 45813 amp P 3 9 FILLING OIL RESERVOIR CONT 24 i IR ESN 3 10 TM 1 4920 458 13 amp P DRAINING THE OIL SUMPS The filters in the system are equipped with oil sumps which permit only air to enter the vacuum and pressure lines to the instruments Once the oil collects to a level occupying more than 50 percent of the total glass area of the sumps the sumps must be drained To drain the sumps proceed as follows a b Remove back of tester to gain access to interior Loosen star nut 1 and screw 2 by turning counterclockwise Swing retainer 3 away from bowl 4 Remove sump bowl 4 from sump mounting body 5 to empty oil Clean sump bowl 4 and filter 6 with a lint free cloth dampened in alcohol D4 Install sump bowl 4 into sump mounting body 5 Swing retainer 3 under bowl 4 and adjust star nut 1 and screw 2 to tighten Operate test set for maximum pressure as well as vacuum settings to ensure no system leaks exist TM 1 4920458 13 amp P 3 11 PERFORMANCE CHECKS a A complete performance check of the Pitot and Static Systems Tester is not possible at the Aviation Unit Maintenance AVUM level because results cannot be verified without an accurate pressure and vacuum test gage b Visually inspect the Aircraft Pitot and Static Systems Tester accessories aircraft indicators switch
89. looking for STEP2 After finding the figure and item number verify that the item is the one you are looking for then locate the item number in the repair parts list for the figure TM 1 4920 458 13 amp P This Page Intentionally Left Blank C 11 TM 1 4920 458 13 amp P 22 70 cy en c m FIGURE C 1 ACCESSORIES C 12 TM 1 4920 458 13 amp P 1 2 3 4 5 6 ITEM SMR PART NO CODE CAGE NUMBER DESCRIPTION AND USABLE ON CODES UOC QTY GROUP O2 FIG C 11ACCESSORIES 1 XBOZZ 59413 92 10114 6 HOSE SUBASSEMBLY teo ates 1 2 22 88044 AN6270 4D0060 HOSE 2 3 PAOZZ 88044 AN6270 4D0072 HOSE SUBASSEMBLY 1 4 XBOFF 59413 80 10111 POWER ADAPTER ASSY SEE FIGURE C 14 1 5 XBOFF 59413 804 111 POWER ASSEMBLY SEE FIGURE 13 1 6 XBOFF 59413 80 10113A POWER CORD ASSEMBLY SEE FIGURE 12 1 7 XBOFF 59413 80 10112A POWER CORD ASSEMBLY SEE FIGURE 1 1 8 XBOFF 59413 92 10118 CONNECTOR PITOT SE FIGURE C 10 1 9 PAOZZ 88044 AN737TW 48 CLAMP HOSE 1 10 PAOZZ 88044 AN815 4D UNION FLARED TUBE seen 2 11 XBOFF 59413 92 10113 STATIC CLAMP ASSY SEE FIGURE 9 1 END OF FIGURE TM 1 4920 458 13 amp P FIGURE C 2 TESTER PITOT AND STATIC ASSEMBLY 3400 003 C 14 1 2 ITEM SMR NO C
90. meter and Airspeed Indicator 1 7 INPUT POWER The Tester contains three power cables and one cable adapter to permit operation from the following power sources 28 4 6 volts DC 115 volts AC 10 percent 50 to 500 cycles single phase 115 volts AC 10 percent 50 to 500 cycles three phase 1 3 TM 1 4920 458 13 amp P 1 8 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS The equipment furnished with the Pitot and Static Systems Tester is shown below Cover Assembly Accessory Compartment Bottom Plate Assembly Frame Assembly PWN 1 4 TM 1 4920 458 13 amp P 1 8 LOCATION AND DESCRIPTION OF MAJOR COMPONENTS CONT 1 8 1 Cover Assembly The Tester is 16 6 inches long 14 5 inches deep and 17 0 inches high when contained within its removable cover for transit The cover contains accessories necessary for proper operation of the Tester When the cover is removed all operating controls indicators and accessories are accessible for immediate use 1 8 2 Frame Assembly The frame assembly of the Pitot and Static Systems Tester contains three aircraft instruments rate of climb altimeter and airspeed indicator Vacuum and pressure controls bleed needle values a vacuum selector valve a pressure selector valve and an ON OFF valve for each of the three respective instruments are also clearly marked on the control panel Also contained on the control panel are the on off power switch press to test button and 5 amp
91. nd remove fitting 2 from end of altimeter 3 Remove three nuts 4 from underside of tester control panel 5 Remove three screws 6 securing altimeter 3 to tester control panel 5 Remove altimeter 3 from tester control panel 5 INSTALLATION Install altimeter 3 in tester control panel 5 and align mounting holes Secure altimeter 3 to tester control panel 5 with three screws 6 from outside tester and install three nuts 4 Apply Sealube D6 to fitting 2 threads Install fitting 2 and connect hose 1 to port at end of altimeter 3 FOLLOW ON MAINTENANCE Calibration TB 43 180 Performance check END OF TASK 4 13 TM 1 4920458 13 amp P 4 19 REMOVE AND REPLACE AIRSPEED INDICATOR Sheet of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Altimeter Sealube D6 References TB 43 180 Equipment Conditions Power disconnected valve cover panel open control panel open GO TO NEXT PAGE 4 14 TM 1 4920458 13 amp P 4 19 REMOVE AND REPLACE AIRSPEED INDICATOR Cont Sheet 2 of 2 4 19 1 REMOVAL a Disconnect hose 1 and remove fitting 2 with preformed packing 3 from end of airspeed indicator 4 b Remove four nuts 5 from inside tester control panel 6 c Remove four screws 7 securing airspeed indicator 4 from tester control panel 6 d Remove airspeed indicator 4 from tester control pane
92. of operator panel 5 4 27 2 INSTALLATION a Mount fuse holder 4 from top of operator panel 5 b Secure fuse holder 4 to operator panel 5 by installing mounting nut 3 on bottom side of operator panel 5 c Solder two wires 1 to fuse holder leads 2 using solder D5 4 27 3 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 31 TM 1 4920 458 13 amp P 4 28 REMOVE AND REPLACE LIGHT ASSEMBLY Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Light assembly Pilot lamp bulb Solder D5 Equipment Conditions Power disconnected front panel removed ROTATED FOR CLARITY GO TO NEXT PAGE 4 32 4 28 4 28 1 C 4 28 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE LIGHT ASSEMBLY Cont Sheet 2 of 2 REMOVAL Tag and unsolder two wires 1 from light assembly leads 2 Remove pilot lamp 3 by turning it counterclockwise Remove mounting nuts 4 from light assembly 5 and remove light assembly 5 from operator panel 6 INSTALLATION Turn pilot lamp 3 clockwise into light assembly 5 and hand tighten Install light assembly 5 into operator panel 6 and secure with mounting nuts 4 Solder two wires 1 to light assembly leads 2 using solder D5 FOLLOW ON MAINTENANCE Performance check 2 5 END OF TASK 4 33 TM 1 4920 458 13 amp P 4 29 REMOVE AND RE
93. onal group code numbers the purpose of which is to identify maintenance significant components assemblies subassemblies and modules with the next higher assembly End item group number shall be 00 Column 2 Component Assembly Column 2 contains the names of components assemblies subassemblies and modules for which maintenance is authorized Column 3 Maintenance Function Column 3 lists the functions to be performed on the item listed in Column 2 For detailed explanation of these functions see paragraph B 2 Column 4 Maintenance Category 1 AVUM Aviation Unit Maintenance AVUM activities will be staffed and equipped to perform high frequency On Equipment maintenance tasks required to retain or return equipment to a serviceable condition 2 AVIM Aviation Intermediate Maintenance AVIM provides mobile responsive one stop maintenance support Authorized maintenance includes replace ment and repair of module components and end items which can be accomplished efficiently with available skills tools equipment AVIM inspects troubleshoots tests diagnoses repairs adjusts calibrates and aligns system modules and components Column 5 tools and Equipment Column 5 specifies by code those common tool sets not individual tools and special tools TMDE and support equipment required to perform the designated function Column 6 Remarks This column shall when applicable contain a letter code in alphabetic o
94. onnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Oil Reservoir Sealube D6 Equipment Conditions Power disconnected valve cover panel open control panel open right side and front panels removed GO TO NEXT PAGE 4 58 4 41 4 41 1 f 9 4 41 3 TM 1 492045813 amp P REMOVE AND REPLACE OIL RESERVOIR AND OR FILL amp RUN SELECTOR VALVE Cont Sheet 2 of 2 REMOVAL NOTE Do not tip tester with oil in the reservoir to avoid flooding check valve Remove four screws 1 and four lockwashers 2 from bottom of chassis 3 securing oil reservoir 4 Disconnect rigid pressure line 5 from fitting 6 and disconnect rigid pressure line 7 from fitting 8 Disconnect rigid pressure line 9 from check valve assembly 10 and remove oil reservoir 4 Remove check valve assembly 10 and pour oil from reservoir 4 Remove fill and run selector valve assembly 11 and remove fittings 6 8 12 and 13 INSTALLATION Apply Sealube D6 to threads of all fittings Install fittings 6 8 12 and 13 Install fill and run selector valve assembly 11 to reservoir 4 NOTE Ensure check valve arrow is pointed to rear of test set when installed Install check valve assembly 10 to reservoir 4 Position reservoir 4 on chassis 3 and secure from bottom of chassis 3 with four screws 1 and four lockwashers 2 Connect rigid pressur
95. onto wires 7 Using solder D5 solder wires 7 to connector solder cups 8 and place heat shrink D2 over connector solder cups 8 Install heat shrink D2 Install power connector 2 in chassis 6 with key way pointing up and secure with four mounting screws 3 four lockwashers 5 and four nuts 4 Install cap 1 on power connector 2 FOLLOW ON MAINTENANCE Performance check END OF TASK 4 53 TM 1 4920458 13 amp P 4 39 REMOVE AND REPLACE DIODE PLATE Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Diode plate solder D5 Equipment Conditions Power disconnected left side and rear panels removed GO TO NEXT PAGE 4 54 4 39 4 39 1 4 39 3 TM 1 4920 45813 amp P REMOVE AND REPLACE DIODE PLATE Cont Sheet 2 of 2 REMOVAL Holes in diode plate have plastic washers for insulation to prevent short Remove two nuts 1 two connectors 2 two washers 3 four insulators 4 and two washers 5 from diode plate 6 and two diodes 7 Desolder and remove two wires 8 from anode end of diode eyelet Remove two screws 9 from bottom of chassis 10 Remove diode plate 6 from chassis 10 INSTALLATION Mount diode plate 6 to chassis 10 using two screws 9 through bottom of chassis 10 Using solder D5 solder wires 8 to anode end of diode eyelet
96. ousing 6 Install rubber gasket 5 on housing 6 Install bowl 4 on housing 6 Swing retainer wire 3 under bowl 4 and adjust star nut 1 and screw 2 to tighten Install oil sump per task 4 31 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 41 TM 1 4920 458 13 amp P TM 1 4920 458 13 amp P 4 33 REMOVE AND REPLACE MOTOR PUMP Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Motor Pump Sealube D6 Power disconnected back panel removed Equipment Conditions GO TO NEXT PAGE 4 42 4 33 4 33 1 d e 4 33 3 REMOVE AND REPLACE MOTOR PUMP Cont Sheet 2 of 2 REMOVAL Disconnect rigid pressure lines 1 2 amp 3 from motor pump 4 Disconnect connector 5 from motor receptacle 6 by turning counter clockwise Tip chassis 7 forward and remove four screws 8 from bottom chassis 7 Remove motor pump 4 Remove fittings 9 10 and 11 from motor pump 4 INSTALLATION Apply Sealube D6 on all threads of fittings 9 10 and 11 Install fittings 9 10 and 11 on motor pump 4 TM 1 4920 458 13 amp P Position motor pump 4 over mounting holes in chassis 7 and secure with four screws 8 through bottom of chassis 7 Connect the connector 5 to the motor receptacle 6 by rotating clockwise until connector 5 is hand tight Reconnec
97. ply Sealube D6 to all fitting threads and install pressure relief valve 16 and elbow fitting 13 to inlet and fitting 14 to outlet on oil sump 15 Connect rigid pressure lines 11 and 12 on fittings 13 and 14 Install oil sump 15 with bracket 10 using two screws 9 Install elbow fitting 4 to outlet on oil sump 7 NOTE Ensure check valve arrow is pointed to rear of test set when installed Install elbow fitting 3 and check valve 8 on oil sump 7 Install oil sump 7 with support bracket 6 and secure with two screws 5 Connect rigid pressure lines 1 and 2 to fittings 3 and 4 FOLLOW ON MAINTENANCE Performance check para 2 5 END OF TASK 4 39 TM 1 4920 458 13 amp P 4 32 REMOVE AND REPLACE OIL FILTER Sheet of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Filter Equipment Conditions Power disconnected valve cover panel open control panel open back panel left and right panel removed TYPICAL 2 PLACES GO TO NEXT PAGE 4 40 4 32 4 32 1 e 4 32 3 REMOVE AND REPLACE OIL FILTER Cont Sheet 2 of 2 REMOVAL Remove oil sump task 4 31 Loosen star nut 1 and screw 2 by turning counterclockwise Swing retainer wire 3 away from bowl 4 Remove bowl 4 and rubber gasket 5 from housing 6 Remove filter 7 from housing 6 INSTALLATION Install filter 7 into h
98. r Parts List A list of spares and repair parts authorized by the RPSTL for use in the performance of removed for replacement of the authorized parts Parts lists are composed of functional groups in ascending alphanumeric sequence with the parts in each group listed in ascending in item name sequence Repair parts kits are listed separately in their own functional group within Section Il Repair parts for repairable special tools are also listed in this illustration s figure s b Section Ill Special Tools List a list of special tools special TMDE and other special support equipment authorized by this RPSTL as indicated by Basis of Issue BOI information in DESCRIPTION AND USABLE ON CODE column for the performance of maintenance c Section IV National Stock Number and Part Number Index A list in National Item Identification Number NIIN sequence of all National stock numbered items appearing in the listing followed by a list in alphanumeric sequence of all part numbers appearing in the listings National stock numbers and part numbers are cross referenced to each illustration figure and item number appearance C 1 TM 1 4920458 13 amp P C 3 EXPLANATION OF COLUMNS SECTIONS II AND a ITEM NO Column 1 Indicates the number used to identify items called out in the illustration b SMR CODE Column 2 The Source Maintenance and Recoverability SMR code is a 5 position code containing supply requisitioning inform
99. raulic valve bodies with standard threads 6 32 10 32 2 0 NOTE To determine breakaway torque thread nut onto screw or bolt until at least two threads stick out Nut shall not make contact with a mating part Stop the nut Torque necessary to begin turning nut again is the breakaway torque Do no reuse self locking nuts that do not meet minimum breakaway torque F 1 F 2 blank TM 1 4920 458 13 amp P APPENDIX G ELECTRICAL SCHEMATICS WHITE BLUE f 81 BLUE MICRO F1 SWITCH WHITE NORMALLY 115 V A C S2 53 Ti sav pc RED RED RED FILTER FILTER 2 ORANGE 72222 FILTER ORANGE x 1 2 ORANGE 115V 60 1 6 28 VDC P N 80 10110A P N 80 10111A 115V 50 500 CPS 115V 350 500 CPS P N 80 10112A P N 80 10013A ELECTRICAL HOOKUP G 1 TM 1 4920 458 13 amp P WHITE 24 BLUE 24 BLUE 24 WHITE 24 LOW PASS RED 8 FILTER RED 8 WHITE ORANGE 26 ORANGE 28 SEE NOTE 2 BLACK30 SEENOTE 2 BLACK 26 ORANGE 32 NOTE 3 NOTES 1 ALL WIRE GLASS BRD LW PER MIL W 76A 2 CRIMP TERMINAL 12 TO 10 WIRE GAGE INSULATED STYLE SCREW SIZE 1 4 2 REQD 3 STRAIGHT PLUG AN 3106 105 25 WITH CABLE CLAMP AN 3057 3A AND AN 3420 3 4 SOLDER PER MIL S 6872 SOLDER COMP QQ S 571 SN63WS 5 CLEAR P V C SPAGHETTI P V C 105 10 C I D 70331 LENGTH
100. rder which shall be keyed to the remarks contained ir Section IV TM 1 492045813 amp P SECTION Il Maintenance Allocation Chart for Tester Pitot and Static Systems Section MAINTENANCE ALLOCATION CHART 1 2 3 4 5 6 TOOLS GROUP COMPONENT MAINTENANCE MAINTENANCE CATEGORY AND NUMBER ASSEMBLY FUNCTION AVUM AVIM EQUIPMENT REMARKS Pitot and Static Inspect Systems Tester Replace Repair Calibrate Tester Pitot and Inspect Static Systems Replace Repair Calibrate Clamp Assy Static Inspect Replace Connector Pitot Inspect Assembly Replace Power Cord Assy Inspect Replace Power Cord Assy Inspect Replace Power Cord Assy Inspect Replace Power Adapter Assy Inspect Replace Cover Assy Inspect Replace US Army Test Measurement and Diagnostic Equipment Support Group USATSG B 3 TM 1 4920 458 13 amp P SECTION Maintenance Allocation Chart for Tester Pitot and Static Systems Section Il MAINTENANCE ALLOCATION CHART 1 2 3 4 5 6 TOOLS GROUP COMPONENT MAINTENANCE MAINTENANCE CATEGORY AND NUMBER ASSEMBLY FUNCTION AVUM AVIM EQUIPMENT REMARKS Chassis Assy Inspect Replace Repair Calibrate 010801 Door Assy Inspect Replace 010802 Door Assy Inspect Replace 010803 Door Assy Inspect Replace gt 010804 Plate Assy Back Inspect Replace Repair 010805 Pressure Selector Inspect Replace Repair 010806 Vacuum Selector Inspect Replace Repair 010807 Air
101. s The case is drip proof when lid is closed and secured 3 18 PREPARATION FOR SHIPMENT Preservation and packaging shall be level A or Level C Packing shall be Level A Level B or Level C of Specification MIL P 116 3 14 TM 1 4920458 13 amp P CHAPTER 4 AVIATION INTERMEDIATE MAINTENANCE AVIM MAINTENANCE INSTRUCTIONS CHAPTER CONTENTS Section 1 REPAIR PARTS SPECIAL TOOLS TMDE AND SUPPORT EQUIPMENT Section SERVICE UPON RECEIPT Section lll PREVENTIVE MAINTENANCE CHECKS AND SERVICES PMCS TROUBLESHOOTING MAINTENANCE PROCEDURES SECTION CONTENTS GENERAL MAINTENANCE OPERATIONS TOOLS AND TEST EQUIPMENT LIST REPAIR PARTS 4 1 GENERAL This chapter contains maintenance procedures that are the responsibility of the Aviation Intermediate Maintenance AVIM technician as authorized by the Maintenance Allocation Chart MAC and Source Maintenance and Recoverability SMR coded items in the Repair Parts and special Tools List RPSTL The maintenance procedures in this chapter are prepared in the form of summary and detailed procedures TM 1 4920 458 13 amp P 4 2 MAINTENANCE OPERATIONS These instructions provide the proper technique and detailed procedures required to perform the maintenance operations Each maintenance operation provides step by step instructions in the order in which the work is most logically accomplished Any unusual or critical steps are covered in detail 4 3 TOOLS AND TEST EQUIP
102. speed Valve Inspect Replace Repair C A C A C A C A 010808 Altimeter Selector Inspect Replace Repair O 1 GROUP NUMBER 010809 010810 010811 010812 010813 010814 010814 01 010814 02 010804 03 2 COMPONENT ASSEMBLY Rate of Climb Airspeed Indicator Altimeter Indicator Rate of Climb Indicator Harness Assembly Bottom Plate Assy Reservoir Assembly Pump And Motor Assy Diode Plate Assy SECTION IIl Maintenance Allocation Chart for Tester Pitot and Static Systems Section Il MAINTENANCE ALLOCATION CHART 3 4 MAINTENANCE FUNCTION MAINTENANCE CATEGORY Inspect Replace Repair Inspect Replace Repair Calibrate Inspect Replace Repair Calibrate Inspect Replace Repair Calibrate Inspect Repair Inspect Replace Repair Inspect Replace Inspect Replace Repair Inspect Replace Repair US Army Test Measurement and Diagnostic Equipment Support Group USATSG B 5 AVUM AVIM TM 1 4920 458 13 amp P 5 6 TOOLS AND EQUIPMENT REMARKS A C C A C C A C C A C A C TM 1 4920 458 13 amp P SECTION Il Maintenance Allocation Chart for Tester Pitot and Static Systems Section Il MAINTENANCE ALLOCATION CHART 1 2 3 4 5 6 TOOLS GROUP COMPONENT MAINTENANCE MAINTENANCE CATEGORY AND NUMBER ASSEMBLY FUNCTION AVUM AVIM EQUIPMENT REMARKS Bellows Block Assy Inspect Replace Repair F
103. ssis 9 INSTALLATION Install EMI filter 3 on mounting screws 8 in chassis 9 TM 1 4920 458 13 amp P Secure EMI filter 3 to chassis 9 by installing two washers 7 and two mounting nuts 6 to two mounting screws 8 Position wires 2 on EMI filter 3 and secure with four nuts 1 Install sleeving D2 to two wires 4 and 5 Using solder D5 remove tags and solder two wires 4 and 5 Slide sleeving over solder joints and shrink in place FOLLOW ON MAINTENANCE Performance check 2 5 END OF TASK 4 51 TM 1 4920 458 13 amp P 4 38 REMOVE AND REPLACE POWER CONNECTOR Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Connector Heat Shrink D2 Solder D5 Equipment Conditions Power disconnected left side panel and rear panel removed BACK VIEW ROTATED FOR CLARITY GO TO NEXT PAGE 4 52 4 38 4 38 1 e 4 38 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE POWER CONNECTOR Cont Sheet 2 of 2 REMOVAL Remove connector cap 1 from power connector 2 Remove four mounting screws 3 four nuts 4 and four lock washers 5 from power connector 2 Remove power connector 2 from chassis 6 to access wires 7 Tag wires 7 and remove heat shrink D2 Unsolder wires 7 from connector solder cups 8 and remove power connector 2 INSTALLATION Slide heat shrink D2
104. t authorized below depot level L Repairable Item Condemnation and disposal not authorized below specialized repair activity Item requires special handling or condemnation procedures because of specific reasons e g precious metal content high dollar value critical material or hazardous material Refer to appropriate manu als directives for specific instructions c CAGE Column 3 The Commercial and Government Entity Code CAGE is a 5 digit alphanumeric code which is used to identify the manufacturer distributor or Government agency etc that supplies the item d PART NUMBER Column 4 Indicates the primary number used by the manufacturer individual company firm corporation or Government activity which controls the design and characteristics of the item by means of its engineering drawings specifications standards and inspection requirements to identify an item or range of items NOTE When you use an NSN to requisition an item the item you receive may have a different part number from the part ordered e DESCRIPTION AND USABLE ON CODE Column 5 This column includes the following information 1 The Federal item name and when required a minimum description to identify the item 2 physical security classification of the item is indicated by the parenthetical entry insert applicable physical security classification abbreviation e Phy Sec C1 C confidential Phy Sec Ca S Secret
105. t requires the listed item enter as applicable C Operator Crew 0 Organizational Maintenance F Direct Support Maintenance H General Support Maintenance Column 3 National Stock Number This is the National Stock number assigned to the item use it to request or requisition the item Column 4 Description Indicates the Federal item name and if required a description to identify the item The last line for each parentheses followed by the part number Column 5 Unit of Measure U M Indicates the measure used in performing the actual maintenance function This measure is expressed by a two character alphabetical abbreviations e g ea in pr If the unit of measure differs from the unit of issue requisition the lowest unit of issue that will satisfy you requirements TM 1 4920 458 13 amp P EXPENDABLE DURABLE SUPPLIES AND MATERIALS LIST 3 4 5 NATIONAL UNIT OF ITEM STOCK MEASURE NUMBER NUMBER DESCRIPTION 5975 01 230 8385 Cable Ties SST2SM 06383 Heat Shrink Insulation Sleeving M2305317 103 0 104 0 105 0 9150 00 252 6383 Hydraulic Oil MIL H 5606 6810 00 983 8551 Isopropyl Alcohol TT I 735 3439 01 132 6137 Solder QQ S 571 SN63 Rosin Type RMA Seal Lube Ohio Industries Lab 250 Mahoning Ave Cleveland Ohio 44113 D 2 TM 1 4920 458 13 amp P APPENDIX E MANUFACTURED ITEMS LIST E 1 GENERAL This appendix contains the procedures for fabricating the manufactured items you
106. t rigid pressure lines 1 2 amp 3 to their respective ports FOLLOW ON MAINTENANCE Performance check 2 5 END OF TASK 4 43 TM 1 4920 458 13 amp P 4 34 REMOVE AND REPLACE PUMP AND OR MOTOR ASSEMBLY Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool Kit B2 or Shop Set B4 Materials Parts Pump Assembly Equipment Conditions Power disconnected hoses and fittings removed para 4 33 and back panel removed ROTATED FOR CLARITY GO TO NEXT PAGE 4 44 4 34 4 34 1 4 34 2 a b 4 34 3 TM 1 4920 458 13 amp P REMOVE AND REPLACE PUMP AND OR MOTOR ASSEMBLY Cont Sheet 2 of 2 REMOVAL Remove four screws 1 from pump assembly 2 Remove pump assembly 2 from electric motor 3 INSTALLATION NOTE Spring 4 must be installed in pump 2 before assembly Install pump assembly 2 on electric motor 3 with oil and air outlets at bottom Install four screws 1 FOLLOW ON MAINTENANCE Performance check 2 5 END OF TASK 4 45 TM 1 4920 458 13 amp P 4 35 REMOVE AND REPLACE CAPACITOR Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop set B4 Materials Parts Capacitor Equipment Conditions Power disconnected valve cover panel open front and left panels removed control panel open ROTATED FOR CLARITY GO TO NEXT PAGE 4 46
107. trol panel open GO TO NEXT PAGE 4 64 4 44 4 44 1 TM 1 4920 458 13 amp P REMOVAL AND REPLACEMENT OF SOLENOID VALVES Cont Sheet 2 of 2 REMOVAL Disconnect rigid tubing 1 from fitting 2 Disconnect rigid tubing 3 from fitting 4 Disconnect rigid tubing b and 6 from elbow fittings 7 and 8 Disconnect wires 9 from mounting stud 10 by removing nut 11 and washer 12 Disconnect wires 13 from wire 14 at splice 15 Remove four screws 16 from bottom of chassis plate 17 and remove solenoid valves 18 and 19 Remove fittings 2 4 7 and 8 from solenoid valves 18 and 19 INSTALLATION Apply sealube D6 to threads on fittings 2 4 7 and 8 Attach fittings 2 4 7 and 8 to solenoid valves 18 and 19 Secure solenoid valves 18 and 19 to chassis bottom plate 17 using four screws 16 Splice wires 13 to wire 14 using solder D5 and cover with heat shrink D2 Connect wires 9 to mounting stud 10 and secure with nut 11 washer 12 Connect rigid tubing 5 and 6 to elbow fittings 7 and 8 Connect rigid tubing 1 and 3 to fittings 2 and 4 END OF TASK 4 65 TM 1 492G 458 13 amp P 4 45 REMOVAL AND REPLACEMENT OF BELLOWS Sheet 1 of 2 Personnel Required 35H TMDE Support Specialist Tools Test and Support Equipment Tool kit B2 or Shop Set B4 Materials Parts Bellows Solder D5 Sealube D6 Equipment Conditions Control panel open valve cover panel open front panel r
108. ure control valves and set VACUUM and PRESSURE selector valves to off CAUTION Power source voltage must be within limits specified in or damage will cause a blown fuse If AC power is used connect AC power cable to power connector on rear panel Connect single phase adapter cable to free end of AC power cable if single phase power is used If DC power is used connect DC power cable to power connector on rear panel and observing polarity connect clips of DC power cable to DC power source TM 1 4920 458 13 amp P CONTROLS AND INDICATORS General This section describes and furnishes the operator with sufficient information pertaining to the various controls and indicators provided for the proper operation of the equipment Power Switch 1 The single pole double throw toggle type power switch has an OFF position which opens the circuit and shuts off the electrical power supply to the tester The ON position is in the circuit to provide electrical current to the tester when the power source is connected Indicator light 2 The indicator light illuminates when the power circuit in the tester is operating Cartridge fuse 3 The 28 V dc 5 amp cartridge fuse provides protection against an excessive flow of current which would damage the electrical system Vacuum Selector Knob 4 The vacuum selector knob has three positions and operates a valve which controls the vacuum systems required to test aircraft instruments Pressure

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