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Midmark M7 - Service manual

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1. 1 11 040 0250 47 1 3 H97991 DOOF ceteri 1 12 H98091 Tank 1 4 Door Assembly Refer to Door 13 Tank Assembly Refer to Tank Assembly Elsewhere Ref Assembly Elsewhere Ref 5 041 0010 10 Torque Nut 1 14 H352623 e 4 6 040 0010 18 ir 7 15 Vent Valve Components Refer to Valve 7 Base Assembly Refer to Base Assembly Elsewhere Ref Components Elsewhere Ref 16 98074 ri tee E diei foa 1 8 029 1865 00 Shell Assembly M7 001 amp M7 004 17 041 0010 10 1 Refer to Chamber Components Side 18 040 0010 73 SGIOW rU 1 Bottom Elsewhere 1 19 H97980 Insulation seen 1 H284702 1 Shell Assembly M7 005 20 H99388 29 Banding Strap shown 2 Refer to Chamber Components Side or H99388 27 Banding Strap End 1 Bottom Elsewhere 1 21 H99387 Banding Strap Clip 2 H284702 2 Shell Assembly M7 002 22 335943 Refer to Chamber Components Side or 23 98128 Bottom Elsewhere 1 24 040 0010 74 H284702 3 Shell Assembly M7 003 Always Specify Model amp Serial Number Midmark 1994 SF
2. 1 050 2360 15 Special Panel M7 005 M7 006 1 13 002 0373 00 7 001 7 003 M7 004 2 040 0010 75 Sec 1 M7 005 Incl Items 14 and 15 1 3 045 0001 08 Lockwasher een 1 002 0373 01 Timer M7 002 M7 006 4 057 0461 00 Alignment Pin esee 1 Incl Items 14 and 15 1 5 002 0242 00 Thermometer 2 22 2 2 2 1 015 0744 02 Timer Units with DR S N Prefix 1 6 053 1008 01 Control Knob Includes Item 7 1 14 015 0745 02 Timer Buzzer 120 volt 1 f e SOISCKEW Aeneas 1 015 0745 03 Timer Buzzer 230 volt 1 8 053 1008 00 1 15 040 0008 29 1 9 040 0008 29 2 16 98064 Flexible Shaft Assembly Includes 10 98036 Pilot Light M7 001 7 003 M7 004 Item 17 and 18 1 7 005 eei 1 17 HWLO008 27 e Lockwasher 1 H97747 Pilot Light M7 002 M7 006 1 18 98149 e NUT pet 1 19 050 3051 00 5 us oe RR 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 10 02 Page 6 6 6 Printed inU S A Return To Table Of Contents SECTION VI Door Assembly PARTS LIST MA240702 Used on Units with Serial Numbers CP1000 thru CP1071 CR1000 thru 1225 CS1000 thru CS3103 RB1000 thru RB
3. 4 1 4 4 Timer Assembly Removal Installation Old Style Timer Assembly 4 2 4 5 Timer Buzzer Removal Installation 4 3 4 6 Pilot Light Removal Installation 4 4 47 Heating Element Removal Installation 4 4 4 8 Overheat Thermostat Removal Installation eere 4 6 4 9 Temperature Regulator Relay Removal Installation 2 2 4 8 4 10 Temperature Regulator Relay Adjustment 4 10 4 11 Diaphragm Cup Removal Installation 4 12 4 12 Temperature Gauge Removal Installation 4 12 4 13 Pressure Relief Valve Removal Installation 2 2 22 4 13 Section Paragraph Page 4 14 Bellows Assembly Removal Installation Specify Serial Number 4 14 4 15 Bellows Assembly Removal Installation Specify Serial Number 4 15 4 16 Bellows Assembly Removal Installation Specify Serial Number 4 16 4 17 Fill Vent Valve Removal Installation 4 17 4 18 Door Assembly Removal Installation 4 18 4 19 Door Gasket Removal Installation 4 19 4 20 Wire Rack And Trays Removal Installation 4 20 4 24 Condensing Tank Removal Installation 4 20 4 22 Chamber Assembly Removal Installation 4 22 SECTION V SCHEMATICS DIAGRAMS AND CHARTS 5 1 Electrical Schematics Wiring Diagrams 5 1 5 2 Flow 5
4. 1 13 002 0373 00 Timer M7 001 7 003 M7 004 1 6 98063 Control Knob Includes Item 7 1 002 0373 01 7 002 1 7 e SOLSChOW arii en peret 1 Midmark 1994 SF 1418 Rev 10 02 Page 6 6 Printed in U S A Return To Table Of Contents Front Panel Components SECTION VI PARTS LIST MA241101 Used on units with Serial Number RB7500 thru RB7999 Part No Description Qty Item Part No Description Qty 1 050 2256 00 Ritter Panel M7 001 7 005 1 9 040 0008 29 2 050 2256 01 Midmark Panel M7 002 7 003 10 98036 Pilot Light M7 001 7 003 M7 004 M7 004 nep Hop 1 M7 005 tes oie 1 2 98064 Flexible Shaft Assembly Includes H97747 Pilot Light M7 002 1 Items 3 and 4 1 11 H98081 Fill Vent Knob Assembly Incl Item 12 1 HWLO008 27 Lockwasher 1 12 040 0008 40 1 4 H98149 1 13 002 0373 00 Timer M7 001 M7 003 M7 004 5 002 0242 00 Thermometer 1 M7 005 Incl Items 14 and 15 1 6 98063 Control Knob Includes Item 7 1 002 0373 01 Timer M7 002 Incl Items 14 and 15 1 7 SOISCIOW ise esee tenet 1 14 015 0745 02 Timer Buzzer 120 volt 1 8 H98062 Timer Knob
5. 1 e 015 0745 03 Timer Buzzer 230 volt 1 15 040 0008 29 Socrew 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 10 02 Page 6 6 1 Printed in U S A Return To Table Of Contents Front Panel Components SARTE LIST MA241102 Used on units with Serial Number RB8000 thru RB8106 Part No Description Qty Item Part No Description Qty 1 H335992 1 Ritter Panel M7 001 1 8 H98062 TimerK nob ettet e 1 H335992 5 Midmark Panel M7 002 M7 003 9 treno te ides Ref M7 004 utente ER 1 10 98036 Pilot Light M7 001 7 003 M7 004 1 2 98064 Flexible Shaft Assembly Includes H97747 Pilot Light M7 002 1 Items 3 and 4 1 11 H98081 Fill Vent Knob Assembly Includes 1008 27 Lockwasher 1 Itemit2 een AY 1 4 H98149 1 12 040 0008 40 1 5 002 0242 00 Thermometer 1 13 002 0373 00 Timer M7 001 7 003 M7 004 1 6 H98063 Control Knob Includes Items 7 1 002 0373 01 7 002 1 7 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 10 02 Page 6 6 2 Printedin U S A Return To Table Of Contents Front Panel Components SECTION VI P
6. 16 Adjust setscrew 11 until TEMPERATURE gauge reads 270 271 F 131 6 132 8 C Midmark 1994 SF 1418 Page 4 10 9 Making sure TEMPERATURE REGULATOR knob is held against stop loosen one two setscrew s 6 in TEMPERATURE REGULA TOR knob Rotate TEMPERATURE REGULA TOR knob until white index mark is at the 9 00 o clock position then tighten one two setscrew s 6 Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE amp LY e ERN A 7 22 NS TEMPERATURE GAUGE TEMPERATURE REGULATOR KNOB WHITE INDEX TIMER MARK ANGE FILL VENT LEVER MA2521 01 Figure 4 11 Temperature Regulator Relay Adjustment 10 Depress the FILL VENT lever and allow the water to fill the chamber until the water level is within 1 2 5 8 in 13 16 mm from the front rim of the chamber then release the lever Midmark 1994 SF 1418 Page 4 11 Printed in U S A SECTION IV MAINTENANCE SERVICE DANGER The following steps require the unit to be powered up with the cover assem bly removed Use extreme care to prevent contact with exposed terminals and chamber components Failure to do so could result in electrical shock or burns which could cause serious personal injury or death Return To Table Of Contents 4 Remove nut 1 Figur
7. Table Of Contents Service and 001 thru 010 Parts Manual Self Contained Steam Sterilizer To purchase a printed copy of this manual click on the Place Order button below Place Order_ Serial Number Prefixes RB CR CP CS FM FN FOR USE BY MIDMARK TRAINED TECHNICIANS ONLY SF 1418 Part No 003 0721 00 Rev P 1 01 07 TABLE OF CONTENTS Section Paragraph Page IMPORTANT INSTRUCTIONS General Safety Instructions ii 5 m ii Warranty 5 ii SECTION GENERAL INFORMATION 11 Scope of Manual 1 1 1 2 How to Use Manual 1 1 1 3 Description of M7 Sterilizer 1 1 1 4 Specifications 1 3 1 5 Parts Replacement Ordering 1 4 1 6 Special 1 4 SECTION II TESTING AND TROUBLESHOOTING 2 1 Operational 2 1 2 2 Troubleshooting Procedures 2 2 SECTION SCHEDULED MAINTENANCE 3 1 Scheduled Maintenance 3 1 SECTION IV MAINTENANCE SERVICE INSTRUCTIONS 4 1 2 4 1 4 2 Cover Assembly Removal Installation 4 1 4 3 Timer Assembly Removal Installation New Style Timer Assembly
8. 1 2 98089 Safety Valve 14 014 0237 00 Connector Drilled 1 Apply Teflon Tape 014 0026 00 1 150 Compression Nut 1 3 014 0182 01 1 16 224033 Bracket iani eee 1 4 H335945 1 Tode ete eere eie 1 17 041 0250 07 Thermometer Nut 1 5 002 0272 00 Bellows Assembly 1 18 5943 TUDE ess H Ref 6 002 0375 00 5 1 19 Tube Referto Sterilizer Main 7 014 0184 00 Elbow mH 1 Components Item 23 6 5 8 014 0392 00 Compression Nut 1 20 002 0262 00 Drain Includes O Ring 1 9 014 0190 00 seen 1 H98138 dor mb 1 10 014 0194 00 1 21 002 0242 00 Thermometer Includes Item 22 1 11 e 014 0184 01 1 22 H225730 Thermometer Sleeve 1 1994 SF 1418 Rev 3 01 Page 6 11 Printedin U S A Return To Table Of Contents SECTION VI PARTS LIST Tank Assembly MA240805 Used on
9. 1 s 1 Bracket 1 Reset Button 1 Reset Button 1 FROG 1 Front Panel Refer to Front Panel Components Elsewhere Ref Retaining 1 Reset Button Guide 1 Midmark 1994 SF 1418 Rev 7 97 Page 6 10 Printed in U S A o Table Of Contents Chamber Components PARTS LIST 45 5 9 241000 Used on Units with Serial Numbers CS3489 thru CS5296 RB11005 thru RB14564 Part No Description Qty Part No Description Qty 1 Chamber Refer to Chamber Com 10 041 0010 10 cau eee A 1 ponents Side Elsewhere Ref 11 H225620 ere 1 2 002 0245 00 Heater M7 001 M7 004 M7 005 H225404 Rocker Assembly Includes Item 6 Includes Items 3 and 4 1 Item 15 14 1 015 0894 01 Heater M7 002 Includes Items 3 1 12 040 0006 43 E M 1 015 0894 02 Heater M7 003 Includes Items 3 1 13 050 2597 00 Rocker 1 3 H97949 here etr 2 14 041 0006 02 ros 2 4 H98137 Gasket ee and 2 15 040 0010 74 Irc eres 1 5 H225639 Thermo
10. Always Specify Model amp Serial Number MA242702 Used on Units with Serial Numbers RB17993 CR1686 DR1268 CP1150 CS7754 FM1426 and FN11230 thru Present Item Part No Description Qty Part No Description Qty 1 Panel Refer to Front Panel Components 9 041 0250 15 AE 1 Elsewhere Ref 10 051 0721 00 Chamber Leg Bracket 1 2 040 0010 103 1 11 040 0250 47 1 3 H97991 Doot Stop iee eerte 1 12 H98091 Tank Cover 1 4 Door Assembly Refer to Door 13 Tank Assembly Refer to Tank Assembly Elsewhere Ref Assembly Elsewhere Ref 5 041 0010 10 Torque Nut 1 14 040 0010 81 SCIGW ei e ERE MIR 4 6 040 0010 125 5 15 Vent Valve Components Refer to Valve 7 Base Assembly Refer to Base Assembly Elsewhere Ref Components Elsewhere Ref 16 H98074 Lever 8 029 1865 00 Shell M7 001 M7 004 amp M7 005 17 041 0010 10 IV op E Refer to Chamber Components Side or 18 040 0010 73 Ic PEN Lower Elsewhere 1 19 H97980 Insulation 22 20 029 1865 01 Shell Assembly M7 002 amp M7 006 20 H99388 29 Banding Strap shown Refer to Chamber Components Side o
11. 1 015 0744 02 Timer Units with DR S N Prefix 1 6 H98063 Control Knob Includes Item 7 1 14 015 0745 02 Timer Buzzer 120 volt 1 72 SOISCKOW 1 015 0745 03 Timer Buzzer 230 volt 1 8 H98062 TimerI amp nob e ett 1 15 040 0008 29 Screw 2 1 9 040 0008 29 repo ei aat det ets 2 16 98064 Flexible Shaft Assembly Includes 10 98036 Pilot Light M7 001 7 003 M7 004 17 and 18 1 M7 005 eth 1 17 HWL008 27 e Lockwasher eee 1 H97747 Pilot Light M7 002 M7 006 1 18 gt 98149 S ppp E Pee 1 19 050 3051 00 oci EIE PIT 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 10 02 Page 6 6 5 Printed in U S A Return To Table Of Contents Front Panel Components SECTION VI PARTS LIST MA241105 Used on Units with Serial Numbers RB21250 CP1150 DR1268 CR1905 CS11603 FM1876 and FN1500 thru Present PartNo Description Qty PartNo Description Qty 1 050 2360 03 Ritter Panel M7 001 1 11 H98076 Fill Vent Knob Assembly Includes 050 2360 04 Midmark Panel M7 002 M7 003 Item 12 erii 1 M7 004 enirn 1 12 040 0008 40
12. TIMER BUZZER MANUAL RESET 2 P 20 OVERHEAT THERMOSTAT oe 2 PRESSURE LOW WATER WW RELIEF VALVE RESET BUTTON LINKAGE ASSEMBLY CONDENSING TANK ASSEMBLY BELLOWS ASSEMBLY FILL VENT VALVE PILOT LIGHT HEATING ELEMENT AUTO RESET OVERHEAT THERMOSTAT ONLY ON UNITS WITH CS amp RB SERIAL NUMBER PREFIX AFTER SERIAL NUMBERS CS 5296 amp RB 14564 MA253801 Figure 1 1 Major Components Midmark 1994 SF 1418 Rev 5 95 Page 1 2 Printed in U S A Return To Table Of Contents During the cycle if the temperature inside the chamber rises up higher than 285 141 C the normally closed manual reset overheat thermostat also known as low water thermostat contacts open breaking the circuit to the timer switch heating element and pilot light The most frequent cause of activation of the overheat thermostat is a low water condition in the chamber The N C auto reset overheat thermostat is a safety backup for the manual reset overheat thermost and opens at 295 F 146 C The manual reset overheat thermostat is reset by pressing the RESET button located on front panel of the sterilizer and the auto reset overheat ther mostat automatically resets after approximately six minutes Water Air Steam Flow The M7 sterilization cycle has four phases filling heat up sterilizing and venting During the fill portion of the cycle the oper
13. 1 014 0026 00 1 15 ee Compression Nut 1 3 014 0182 01 PipeNipple 1 16 Tube Refer to Sterilizer Main 4 H335945 1 dnte ient ttn 1 Components Elsewhere Ref 5 014 0241 00 Tube eem 1 17 Tube Referto Sterilizer Main 6 002 0375 00 Bellows 1 Components Item 23 6 5 3 7 014 0240 00 eee 1 18 002 0537 00 Drain Cock Replacement Kit 1 8 053 0394 01 1 19 002 0242 00 Thermometer Includes Item 26 1 9 014 0184 01 1 20 H225730 Thermometer Sleeve 1 10 014 0392 01 Compression 1 21 H224033 1 11 e 014 0392 00 Nut 4 22 041 0250 07 Thermometer Nut 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 11 3 Printedin U S A Return To Table Of Contents Valve Assembly SECTION VI PARTS LIST MA240602 Used On Units Built Prior To 6 21
14. 5 Install cover assembly Refer to para 4 2 4 12 Temperature Gauge Removal In stallation A Removal 1 Remove cover assembly Refer to para 4 2 2 Loosen nut 1 Figure 4 13 and slide retaining bar 2 away from front panel 3 LIP 3 MA2522 00 Figure 4 12 Diaphragm Cup Removal Installation Printed in U S A Return To Table Of Contents MA2523 00 Figure 4 13 Temperature Gauge Removal Installation 3 While holding connector 4 loosen compres sion nut 5 4 Pull temperature gauge 6 out of connec tor 4 5 Remove thermometer sleeve 7 compression nut 5 nut 1 and retaining bar 2 from temperature gauge 6 Installation 1 Install retaining bar 2 nut 1 compression nut 5 and thermometer sleeve 7 on tem perature gauge 6 2 Making sure temperature gauge is oriented properly so face of gauge can be read by operator position temperature gauge 6 on front panel 3 and secure with retaining bar 2 and nut 1 Slide thermometer sleeve 7 against tor 4 Install compression nut 5 on connector 4 Tighten compression nut until thermometer sleeve just starts to protrude out back side of compression nut Do not tighten any further 5 Install cover assembly Refer to para 4 2 Midmark 1994 SF 1418 SECTION IV MAINTENANCE SERVICE 4 13 Pressure Relief Valve Removal
15. 2 Press down on left edge of rack base plate 3 until rack base plate pops into locked position Midmark 1994 SF 1418 NOTE This procedure is based on removing a tank assem bly with a new style bellows setup Removing a tank assembly with an old style bellows setup is similar the bellows is removed from inside of the tank assembly instead of from the outside on an old style bellows setup Page 4 20 Printed in U S A Return To Table Of Contents A Removal 1 Remove cover assembly Refer to para 4 2 DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns 2 Remove drain 1 Figure 4 24 and drain water from tank assembly 2 3 Remove temperature gauge Refer to para 4 12 SECTION IV MAINTENANCE SERVICE 4 Loosen and disconnect compression nut 3 from elbow 4 5 Loosen and disconnect compression nut 5 from elbow 6 6 Loosen and disconnect compression nut 7 and remove bellows assembly 8 and grommet 9 from tank assembly 2 7 Remove pipe T assembly 10 from tee of tank assembly 2 8 Lay unit onto its side MA2531 00 Figure 4 24 Condensing Tank Removal Installation Midmark 1994 SF 1418 Page 4 21 Printed in U S A SECTION IV MAINTENANCE SERVICE 9 Remove four screws 11 and ta
16. Installation A Removal 1 Remove cover assembly Refer to para 4 2 NOTE There may be a strip of tape holding the tank cover on to prevent the tank cover from vibrating and making noise 2 Remove tank cover 1 Figure 4 14 from tank assembly 2 NOTE The pressure relief valve can be mounted to tee 4 in two different locations depending if it is an old style or new style unit 3 Remove pressure relief valve 3 from tee 4 B Installation 1 Coat threads of pressure relief valve 3 with Teflon tape sealant 2 Install pressure relief valve 3 on tee 4 3 Install tank cover 1 on tank assembly 2 4 Install cover assembly Refer to para 4 2 NOTE The pressure relief valve is designed to open at 31 psi 275 F 135 Page 4 13 5 With the TEMPERATURE REGULATOR knob set to its maximum setting run a cycle The temperature should reach normal maximum pressure temperature of 27 psi 270 F 132 C If not it indicates that the pressure relief valve is opening too early Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE 4 14 Bellows Assembly Removal Installa tion Applies to Units With Serial Numbers CR 1114 RB 7194 CS 1570 And CP 1062 Thru Present A Removal 1 Remove cover assembly Refer to para 4 2 DANGER Make sure unit is vented and cool before attempting to make repairs Failu
17. Relay spacer is not used on older 220 VAC units DANGER The following steps require the unit to be powered up with the cover assem bly removed Use extreme care to prevent contact with exposed terminals and chamber components Failure to do so could result in electrical shock or burns which could cause serious personal injury or death 11 Plug the power cord into wall outlet 12 Close and latch the door of the chamber 13 Set the TIMER knob to its maximum setting of 30 minutes 14 Unscrew setscrew 11 2 to 3 turns NOTE Wait until chamber temperature reaches its maxi mum temperature before attempting to adjust screw 3 Remove screw 3 4 Adjust setscrew 4 until it is flush with relay bracket 5 5 Rotate TEMPERATURE REGULATOR knob in clockwise direction until flexible shaft assembly 2 is screwed in as far as possible 6 Rotate TEMPERATURE REGULATOR knob 11 2 turns in a counterclockwise direction 7 Install setscrew 1 in hub of flexible shaft assembly 2 8 Rotate TEMPERATURE REGULATOR knob in a counterclockwise direction until it hits the setscrew stop 15 Install screw 8B Adjust screw until TEM PERATURE gauge reads slightly above 270 F 132 C NOTE Earlier units have only one setscrew securing the TEMPERATURE REGULATOR knob while later units have two NOTE Setscrew provides fine tuning of temperature adjust ment
18. Disassembly Assembly C Assembly 1 Install T bolt 4 into U bracket 11 2 Coat bottom face of washer 2 and threads of T bolt 4 with removable threadlocking adhe sive NOTE Door must be installed so that bowed portions of door are on top and bottom not on the sides It may be necessary to place U bracket in vise in order to tighten cap nut 3 Install long spring 6 short spring 5 and door 8 on T bolt 4 and secure with washer 2 and cap nut 1 4 Install door cross arm 10 and handle 9 on U bracket 11 and secure with pin 8 and retain ing ring 7 D Installation 1 Coat threads of torque nut 2 with removable threadlocking adhesive Loctite 242 Midmark 1994 SF 1418 Page 4 19 SECTION IV MAINTENANCE SERVICE NOTE Do not overtighten torque nut or door assembly may be hard to open and close 2 Install door assembly 5 on hinge 6 and secure with door stop 4 screw 3 and torque nut 2 4 19 Door Gasket Removal Installation A Removal DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns 1 Open the door assembly 2 Pry door gasket 1 Figure 4 22 out of gasket channel of chamber 2 DOOR ASSEMBLY GASKET CHANNEL MA2529 00 Figure 4 22 Door Gasket Removal Installation Printed in U S A SECTION IV M
19. M7 003 7 004 M7 005 Incl Items 14 and 15 1 Timer M7 002 Incl Items 14 and 15 1 Timer Buzzer 120 volt 4 Timer Buzzer 230 volt 1 SOOW wen sith de esie een 1 Flexible Shaft Assembly Includes Item 17 and 18 1 Lockwasher 1 e NUT 1 1 Midmark 1994 SF 1418 Rev 10 02 Page 6 6 4 Front Panel Co Return To Table Of Contents mponents SECTION VI PARTS LIST MA241104 Used on Units with Serial Numbers RB18475 thru RB21249 CR1725 thru CR1904 CS8319 and CS11602 FM1546 thru FM1875 and FN1310 thru FN1499 Part No Description Qty Item Part No Description Qty 1 050 2360 00 Ritter Panel M7 001 1 11 H98076 Fill Vent Knob Assembly Includes 050 2360 01 Midmark Panel M7 002 M7 003 Item 12 cinere 1 M7 004 ener 1 12 040 0008 40 Setscrew 1 050 2360 12 Special Panel M7 005 M7 006 1 13 002 0373 00 Timer M7 001 M7 003 7 004 2 040 0010 75 1 7 005 Incl Items 14 and 15 1 3 045 0001 08 Lockwasher rene 1 002 0373 01 Timer M7 002 M7 006 4 057 0461 00 Alignment Pin eese 1 Incl Items 14 and 15 1 5 002 0242 00 Thermometer 2 2 2 2
20. 12 1 13 1 14 T 2 15 2 16 2 17 1 18 1 19 2 xis 1 20 Part No 041 0010 10 H225620 H225404 040 0006 43 050 2597 00 041 0006 02 040 0010 74 H225619 053 0529 00 057 0372 00 015 0647 00 Always Specify Model amp Serial Number Description Qty ats 1 1 Rocker Assembly Includes Item 6 Item 15 Item 14 1 SCIOW eee ae ies 1 Rocker Bracket 1 LockhUut te nance 2 Nie s 1 Bracket 1 ResetBu ltton epe 1 Bod austeritate a 1 Front Panel Refer to Front Panel Components Elsewhere Ref Thermostat Secondary M7 001 amp 004 1 Midmark 1994 SF 1418 Rev 7 01 Page 6 10 2 Printed in U S A Return To Table Of Contents Tank Assembly SECTION VI PARTS LIST Always Specify Model amp Serial Number MA240804 Used on Units with Serial Numbers CP1000 thru CP1061 CR1000 thru CR1113 51000 thru CS1569 RB1000 thru RB7193 Item Part No Description Qty Part No Description Qty H335950 Tank Assembly Incls Items 1 thru 19 1 12 014 0392 01 Compression Nut 1 1 H335946 1 13 014 0184 00
21. 1418 Page 6 5 Printed in U S A Return To Table Of Contents SECTION VI Sterilizer Main PARTS LIST MA242702 Used on Units with Serial Numbers CP1062 thru CP1149 CR1155 thru CR1511 CS1976 thru CS7753 RB7987 thru RB17992 DR1015 thru DR1267 Item Part No Description Qty Part No Description Qty 1 Panel Refer to Front Panel Components 9 041 0250 15 INUIT M 1 Elsewhere Ref 10 051 0721 00 Chamber Leg Bracket 1 2 040 0010 103 1 11 040 0250 47 SCIOW Lr seemed 1 3 H97991 Door Stop eee esas 1 12 H98091 Tank veces 1 4 Door Assembly Refer to Door 13 Tank Assembly Refer to Tank Assembly Elsewhere Ref Assembly Elsewhere Ref 5 041 0010 10 Torque ote Eee tos 1 14 352623 4 6 040 0010 125 5 15 Vent Valve Components Refer to Valve 7 Base Assembly Refer to Base Assembly Elsewhere Ref Components Elsewhere Ref 16 H98074 OVOP lence ems 1 8 029 1865 00 Shell Assembly M7 001 amp M7 004 17 041 0010 10 INE ise ze 1 Refer to Chamber Components Side or 18 040 0010 73 SCIOW cte ries n hee 1 Lower Elsewhere 1 19 97980 Insul tiori 3
22. 4 VENT CHAMEER PRESSURE RELIEF VALVE CONDENSING COIL FILL VENT RESERVOIR 2 2 VALVE OPEN WATER VENTED STEAM STEAM PURE STEAM WITH AIR HEATED WATER MA2544 00 Figure 5 3 Sheet 4 of 4 Flow Diagram A NOIL23S SIAVH9VIG ANV SOILVIN3HOS Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS 5 3 Suggested Times And Temperatures Table 5 2 lists the suggested extended time at reduced Charts temperature for higher altitudes Table 5 3 is a chart which lists what pressure should be present at particu lar temperature Table 5 1 lists the suggested times and temperatures to use when sterilizing a certain type of load in the M7 Table 5 1 Suggested Times And Temperatures Temperature Load F Time Unwrapped Instruments 270 132 3 minutes Wrapped Instruments 270 132 5 minutes Cotton Dressings amp Bandages 250 121 20 minutes Syringes disassembled 250 121 20 minutes Rubber Goods and Gloves 250 121 15 minutes Instruments for immediate use Table 5 2 Suggested Extended Time At Reduced Temperature For Higher Altitudes Recommended Operating Minimum Altitude Temperature Pressure Exposure Setting Time Feet Meters Above Sea Level F PSI kPa Full Load 0 m to 984 ft 300 m 270 132 28 190 10 minutes 984 ft 300 m to 3280 ft 1000 m 266 130 28 190 13 minutes 3280 ft 1000 m to
23. 4 19 Close drain 1 and fill condensing tank with distilled or demineralized water Install temperature regulator relay Refer to para 4 9 Printed in U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS SECTION V SCHEMATICS AND DIAGRAMS 5 1 Electrical Schematics Wiring Dia between electrical components in the M7 Figure 5 2 grams sheets 1 thru 3 illustrate the wiring connections for the sterilizer Figure 5 1 sheets 1 thru 3 illustrate the current flow OVERHEAT THERMOSTAT LOW WATER TIMER SWITCH TIMER MOTOR TEMPERATURE REGULATOR RELAY WHITE YELLOW E PILOT LIGHT I YELLOW HEATING ELEMENT MA2562 01 Figure 5 1 Sheet 1 of 3 Electrical Schematic Units With Serial Numbers CP 1000 Thru CP1069 CS 1000 Thru CS1694 CR 1000 Thru CR 1125 RB 1000 Thru RB 7499 And RB 8000 Thru RB 8106 Midmark 1994 SF 1418 Rev 5 95 Page 5 1 Printed in U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS OVERHEAT THERMOSTAT LOW WATER TIMER SWITCH A E TIMER MOTOR YELLOW TIMER BUZZER TEMPERATURE REGULATOR RELAY NC WHITE YELLOW E PILOT LIGHT I YELLOW HEATING ELEMENT MA2562 00 Figure 5 1 Sheet 2 of 3 Electrical Schematic Units With Serial Numbers CP 1070 Thru Present CS 1695 Thru CS 5296 CR 1126 Thru Present DR 1015 Thru Present RB
24. 6560 ft 2000 m 250 121 28 190 16 minutes 6560 ft 2000 m to 9840 ft 3000 m 250 121 28 190 19 minutes Midmark 1994 SF 1418 Rev 5 95 Page 5 11 Printed in U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS Table 5 3 Pressure Temperature Chart 0 1 2 3 4 5 6 7 8 9 Normal steam sterilizing range is 250 F to 270 F Figures in chart are for steam pressure only The presence of any air in the autoclave invalidates temperature readings Midmark 1994 SF 1418 Rev 10 96 Page 5 12 Printed in U S A Return To Table Of Contents SECTION VI PARTS LIST SECTION VI PARTS LIST 6 1 Introduction The illustrated parts list provides information for identify ing and ordering the parts necessary to maintain the unit in peak operating condition Refer to paragraph 1 5 for parts ordering information The parts list also illustrates disassembly and assembly relationships of parts 6 2 Description of Columns The tem column of the parts list gives a component its own unique number The same number is given to the component in the parts illustration This allows a part number of a component to be found if the technician can visually spot the part on the illustration The technician simply finds the component in question on the illustration and notes the item number of that component Then he finds that item number in the parts list The row corresponding to the item n
25. 7 5 3 Suggested Times And Temperatures tes 5 11 SECTION PARTS LIST 6 1 6 1 6 2 Description of 6 1 7 Sterilizer 6 2 Sterilizer Cover 6 3 Sterilizer Cover Components 6 4 Sterilizer Main Components 6 5 Front Panel Components 6 6 Door Assembly 6 7 Base Components 6 8 Chamber Components Side 6 9 Chamber Components Lower 6 10 Tank Assembly 6 11 Valve Assembly 6 12 Rack And 6 13 eR ERE Ran 6 14 COMMENTS sse eene nnne 7 1 FAX ORDERING FORM see 7 2 Indicates that there has been a serial number break for the illustration and that there are additional point page s following the original page Midmark 1994 SF 1418 Rev 5 95 Pagei Printed in U S A Return To Table Of Contents IMPORTANT INSTRUCTIONS General Safety Instructions Safety First The primary concern of Midmark Corpo ration is that this sterilizer is maintained with the safety of the staff in mind To assure that services and
26. LIGHT l gt WHITE 015 0752 00 IPAE WIRING HARNESS TEMPERATURE REGULATOR TIMER RELAY BUZZER YELLOW YELLOW TIMER ASSEMBLY RED MA253601 Figure 5 2 Sheet 2 of 3 Wiring Diagram Units With Serial Numbers CP 1070 Thru Present CS 1695 Thru CS 5296 CR 1126 Thru Present DR 1015 Thru Present RB 7500 Thru RB 7999 And RB 8107 Thru RB 14564 OG Midmark 1994 SF 1418 Rev 8 99 Page 5 5 Printedin U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS POWER CORD WHITE BLACK 2 MANUAL RESET OVERHEAT THERMOSTAT L LOW WATER GROUND AUTO RESET OVERHEAT THERMOSTAT gt LOW WATER YELLOW WHITE PE CET E X HEATING ELEMENT PIEOTEIGHT ee Tm gt 015 0752 00 F WHITE WIRING HARNESS TEMPERATURE REGULATOR TIMER RELAY BUZZER 0 8 YELLOW YELLOW TIMER ASSEMBLY RED Figure 5 2 Sheet 3 of 3 Wiring Diagram Units With Serial Numbers CS 5297 Thru Present And RB 14565 Thru Present Midmark 1994 SF 1418 Rev 8 99 Page 5 6 MA253602 Printedin U S A 96 4 9H 8171 45 7661 2 6 VSN Ul peiuud Return To Table Of Contents PHASE 1 FILLING CHAMBER 1 2 TO 5 8 13 MM TO 16 MM i FILL VENT VALVE WATER OPEN VE
27. S A Return To Table Of Contents Front Panel Components SECTION VI PARTS LIST MA241103 Used on Units with Serial Numbers RB11005 thru RB18474 CP1092 thru CP1149 DR1015 thru DR1267 CR 1260 thru CR1724 CS3489 thru CS8328 FM1000 thru FM1545 and FN1000 thru FN1309 ltem Part No 1 050 2360 00 050 2360 01 050 2360 12 041 0010 01 045 0001 08 057 0370 00 002 0242 00 H98063 H98062 040 0008 29 H98036 4 Description Qty Part No Ritter Panel M7 001 1 H97747 Midmark Panel M7 002 M7 003 11 H98076 7 004 1 Special Panel M7 005 M7 006 1 12 040 0008 40 tener elders 1 13 002 0373 00 2 1 Alignment Pin esses 1 002 0373 01 Thermometer 1 14 015 0745 02 Control Knob Includes Item 7 1 015 0745 03 1 15 040 0008 29 TimerKnob 5 ener ne 1 16 H98064 SCIOW 2 Pilot Light M7 001 7 003 M7 004 17 HWLO008 27 005 25 1 18 98149 19 050 3051 00 Always Specify Model amp Serial Number Description Qty Pilot Light 7 002 1 Fill Vent Knob Assembly Includes 12 25 corone 1 SetScrOW 1 Timer M7 001
28. Units with Serial Numbers CR1114 thru CR1157 CS1570 thru CS1975 RB7194 thru RB7986 Item Part No Description Qty Part No Description 029 1462 00 Tank Assembly Incls Items 1 thru 21 1 12 014 0184 00 1 030 0799 00 0222212221 1 13 014 0183 01 2 H98089 Safety Valve Apply Teflon 14 014 0237 00 ConnectorDrilled 014 0026 00 1 15 ee Compression Nut 3 014 0182 01 1 16 35943 M t 4 H335945 1 1 17 Tube Referto Sterilizer Main 5 014 0231 00 Tube eee 1 Components Item 23 6 5 1 6 002 0375 00 Bellows 1 18 002 0262 00 Drain Includes O Ring 1 7 014 0232 00 seen 1 H98138 ote etre 1 8 053 0394 00 1 19 002 0242 00 Thermometer Includes Item 22 1 9 014 0184 01 1 20 H225730 Thermometer Sleeve 1 10 e 014 0392 01 C
29. numbers of the parts descriptions of the parts and quantities of parts needed and record this data Refer to para 6 1 75 Ask the Purchasing Department of the company that owns the sterilizer for this information Otherwise this information may be obtained from the dealer that sold the sterilizer MODEL NUMBER SERIAL NUMBER MA2535 00 Figure 1 2 Model Number Serial Number Location 3 Determine the installation date of the sterilizer and record this data 4 Call Midmark with the recorded information and ask for the Medical Services Department See back cover of this manual for the phone num ber or use the Fax Order Form see page 7 2 for Fax Order Form 1 6 Special Tools Table 1 2 lists all the special tools needed to repair the sterilizer describes how to obtain the special tools and describes the purpose of each special tool Table 1 2 Special Tool List Manufacturer s Name Address Phone Description of Special Tool Taylor Precision Products 280 Cane Creek Road Fletcher NC 28732 828 684 5178 Maximum Registering Thermometer Manufacturer s Part Number Purpose of Special Tool Used to check the maximum temperature reached inside the pressure vessel during a cycle to diagnose malfunctions and or adjust the maximum temperature potentiometer to a correct se
30. on tion New Style Timer Assembly each side and remove cover assembly 2 from base assembly 3 A Removal Installation 1 Remove cover assembly Refer to para 4 2 1 Align channel of cover assembly 2 with rail of base assembly 3 and then slide cover assem bly onto base assembly Secure in place by tightening six screws 1 2 Remove the timer knob 1 Figure 4 2 from shaft of timer assembly 2 by pulling straight out on timer knob 3 Tag and disconnect four wires 3 from termi 2 Connect power cord to wall outlet nals of timer assembly 2 Midmark 1994 SF 1418 Page 4 1 Printed in U S A SECTION IV MAINTENANCE SERVICE MA2513 00 Return To Table Of Contents NOTE Spacer is only used on newer units B 4 Remove two screws 4 timer assembly 2 and spacer 5 from front panel 6 Installation NOTE Spacer is only used on newer units Figure 4 2 Timer Assembly Removal Installation Midmark 1994 SF 1418 Page 4 2 1 2 Install spacer 5 and timer assembly 2 on front panel 6 and secure with two screws 4 Connect four wires 3 to terminals of timer assembly 2 Install timer knob 1 on shaft of timer assem bly 2 Install cover assembly Refer to para 4 2 4 4 Timer Assembly Removal Installa tion Old Style Timer Assembly 1 2 A Removal Remove cover assembly
31. to para 4 19 Door assembly Check door assembly for any damage which would make it unsafe or compromise the performance of the sterilizer Make sure long and short springs of door assembly have enough power left to open door Replace springs or door assembly if necessary Refer to para 4 18 Door assembly hinge Make sure nut on hinge screws are secure If nut is loose remove nut coat threads of nut with Screws removable threadlocking adhesive Loctite 242 and reinstall nut PILOT light With power to unit set timer PILOT light should illuminate Condensing tank Remove tank cover and inspect for foreign matter and buildup Clean out condensing tank and remove buildup from walls of tank Tubing Remove tubing and inspect for buildup Clean drain and flush tubing using Speed Clean directions for use are on bottle Replace tubing if necessary See Operator s manual Chamber Check for cracks or other signs of stress or metal fatigue Clean chamber with Speed Clean directions for use are on bottle Check chamber for excessive rust or deterioration Replace chamber if necessary Refer to para 4 22 Wire rack and trays Check wire rack and trays for excessive rust or deterioration Replace wire rack and trays if necessary Refer to para 4 20 Suction feet Check all four suction feet for wear or deterioration Make sure suction feet fasten securely to counter top Clean counter top if necessary Replace suction feet if necessary Operationa
32. 0 Handle Apply Valve Lubricant 8 H106313 DOO OO Seer 1 064 0002 01 1 9 053 1579 00 1 2 H97989 v Pi ume dotes ied eo RU qu le eee dies 1 10 H96771 s Washer eade tos 1 3 H96751 1 Door Cross 1 11 H96773 Cap Nut Apply Loctite 042 0024 02 1 4 H96772 v T 1 12 042 0007 03 1 5 96776 U Bracket iere 1 Midmark 1994 SF 1418 Rev 6 06 Page 6 7 1 Printedin U S A Door Assembly Return To Table Of Contents SECTION VI PARTS LIST MA240703 Used on Units with Serial Numbers RB11005 CP1092 DR1015 CR1260 CS3489 FM1000 and FN1000 thru Present Item Part No Description Qty Item Part No Description Qty 002 0249 00 Door Assembly Includes Items 1 6 H96775 Long SPINO 1 TAU rene 1 7 H96774 Short Spring 1 1 053 0513 00 Handle Apply Valve Lubricant 8 H106313 prre 1 064 0002 01 1 9 053 1579 00 Gasket 1 2 042 0005 16 1 10 H96771 Washer 1 3 050 2359 00 Door Cross 1 11 e H96773 Cap Nut Apply Loctite 042 00
33. 0262 00 Drain Includes O ring 1 7 014 0240 00 sese 1 H98138 O ring uie as t cec onere ies 1 8 053 0394 00 1 18 002 0242 00 Thermometer Includes Item 26 1 9 014 0184 1 1 19 H225730 Thermometer Sleeve 1 10 e e 014 0392 01 Compression Nut 1 20 H224033 ie E A 1 11 014 0392 00 Compression Nut 4 21 041 0250 07 Thermometer Nut 1 Always Specify Model 4 Serial Number Midmark 1994 SF 1418 Rev 7 01 Page 6 11 2 Printedin U S A Return To Table Of Contents SECTION VI PARTS LIST Tank Assembly MA240807 Used on Units with Serial Numbers RB17993 CR1686 DR1268 CP1150 CS7754 FM1426 and FN1230 thru Present Item Part No Description Qty Part No Description Qty 029 2085 00 Tank Assembly Incls Items 1 thru 21 1 12 014 0184 00 1 1 e 030 0994 00 222222 2 1 13 014 0183 01 Male 1 2 H98089 Safety Valve Apply Teflon 14 014 0237 00 Connector Drilled
34. 10 042 0010 07 Poprivet oreet cetus 5 11 061 0052 00 BR Ref Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 8 Printed in U S A Base Compone Return To Table Of Contents nts SECTION VI PARTS LIST MA241206 Used on Units with Serial Numbers CP1062 thru 1149 CR1155 thru CR1511 A CS1976 thru CS7753 RB7987 thru 17992 DR1015 thru DR1267 Item Part No Description Qty Item Part No Description Qty 1 050 2383 10 Base 1 11 061 0052 00 UL dde Ref 2 98006 Inspection Cover 1 12 Serial Number Tag Ref 3 050 1926 00 Vent Lever Bracket 1 13 061 0519 00 Warning Label 1 4 98072 CID 3 14 040 0010 74 SCIGW ise ene re ER pee 1 5 98021 ETC 4 15 98160 Strain Relief sess 1 6 041 0010 01 secs eevee 4 16 98159 Cord M7 00 M7 003 M7 004 7 045 0001 08 Lockwasher 222 2 15 M7 005 4 1 8 52623 11 99025 Cord M7 002 1 9 040 0010 125 2 17 122357 4 10 042 0010 07 ines eerte tee 5 Always Specify Model amp Serial Number Mid
35. 11004 081000 thru DR1014 Item Part No Description Qty Item Part No Description Qty 002 0249 00 Door Assembly Includes Items 1 6 H96775 EongSpring een 1 a on mre 1 7 H96774 Short Spring 1 1 e 002 0248 00 Handle Apply Valve Lubricant 8 106313 DOOR A 1 064 0002 01 1 9 053 1579 00 1 2 H97989 1 10 96771 einer 1 3 H96751 1 Door Cross 1 11 H96773 Cap Nut Apply Loctite 042 0024 02 1 4 H96772 T eee cite ee tette 1 12 042 0007 07 RetainingRing 1 5 H96776 U Bracket senes 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 6 06 Page 6 7 Printed in U S A Return To Table Of Contents Door Assembly SECTION VI PARTS LIST Always Specify Model amp Serial Number MA240700 Used on Units with Serial Numbers CP1072 thru 1091 CR1226 thru 1259 CS3104 thru CS3488 RB10146 thru RB11004 Item Part No Description Qty Part No Description Qty 002 0249 00 Door Assembly Includes Items 1 6 H96775 EongSpring tee 1 12 ttn 1 7 H96774 Short Spring 1 1 053 0513 0
36. 24 02 1 4 H96772 S ett 1 12 K906034 PUSH NUE cec cerit ie cette tete 1 5 96776 U Bracket 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 6 06 Page 6 7 2 Printedin U S A SECTION VI PARTS LIST This Page Intentionally Left Blank Return To Table Of Contents Base Components SARISHST MA241201 Used on Units with Serial Numbers CP1000 thru CP1061 CR1000 thru CR1154 CS1000 thru CS1975 RB1000 thru 7986 DR1000 thru DR1014 Item Part No Description Qty Part No Description Qty 1 050 2255 10 Base Jeudi canes 1 12 Serial Number Tag Ref 2 98006 Inspection Cover 1 13 061 0394 00 Warning Label 1 3 050 1926 00 Vent Lever Bracket 1 14 040 0010 74 SCIOW oe sete ertet 1 4 98072 3 15 045 0001 08 Lockwasher 1 5 98021 4 15 98160 Strain 1 6 041 0010 01 rr 4 16 98159 Cord M7 001 M7 003 M7 004 7 045 0001 31 Lockwasher 1 M7 005 1 8 52623 E pt 11 99025 Cord M7 002 1 9 040 0010 18 ERES 2 17 122357 itio tite 4
37. 7500 Thru RB 7999 And RB 8107 Thru RB 14564 Midmark 1994 SF 1418 Rev 5 95 Page 5 2 Printed in U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS MANUAL RESET OVERHEAT THERMOSTAT LOW WATER AUTO RESET OVERHEAT THERMOSTAT LOW WATER TIMER SWITCH TIMER MOTOR WHITE TEMPERATURE REGULATOR WHITE YELLOW RELAY PILOT LIGHT YELLOW HEATING ELEMENT MA2562 02 Figure 5 1 Sheet 3 of 3 Electrical Schematic Units With Serial Numbers CS 5297 Thru Present and RB 14565 Thru Present Midmark 1994 SF 1418 Rev 5 95 Page 5 3 Printed in U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS POWER CORD WHITE BLACK OVERHEAT _ 4 THERMOSTAT GROUND H YELLOW T tc HEATING ELEMENT 015 0752 00 WIRING HARNESS WHITE TEMPERATURE REGULATOR RELAY TIMER ASSEMBLY MA253600 Figure 5 2 Sheet 1 of 3 Wiring Diagram Units With Serial Numbers CP 1000 Thru CP1069 CS 1000 Thru CS1694 CR 1000 Thru CR 1125 RB 1000 Thru RB 7499 And RB 8000 Thru RB 8106 Midmark 1994 SF 1418 Rev 8 99 Page 5 4 Printedin U S A Return To Table Of Contents SECTION V SCHEMATICS AND DIAGRAMS POWER CORD WHITE BLACK 1 5 GROUND YELLOW WHITE OVERHEAT THERMOSTAT HEATING ELEMENT PILOT
38. 90 Item Part No Description Qty Part No Description Qty H98080 Valve amp Bracket Assembly Includes 6 H98068 1 Items 11 14 2 2 242424 1 1 7 98070 Valve Spring 1 1 014 0183 02 2 8 041 0010 09 22 2 2 22 42 1 2 014 0392 041 Compression 1 9 98077 e Closing 1 3 H98069 nint rne 1 10 H98074 ss ineat 1 4 H98138 O Ring Apply 11 041 0010 08 1 High Temp Lube 064 0002 01 1 12 040 0010 73 Screw 1 5 H98136 O Ring Apply 13 H98079 e Valve 1 High Temp Lube 064 0002 01 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 12 Printedin U S A Return To Table Of Contents Valve Assembly pied pol PARTS LIST e 240603 Used On Units Built After 6 21 90 Part Description Qty Item Part No Description Qty 002 0247 00 Valve Assembly 1 High Temp Lube 064 0002 01 1 1 e 014 0183 02 2 6 H98068 1 2 014 0392 01 Compressio
39. A Return To Table Of Contents SECTION VI Sterilizer Cover PARTS LIST MA2413 00 Part No Description Qty Part No Description Qty 002 0489 00 M7 Cover Kit Includes 5 335669 e Warning Label 1 Items 1thru 8 2 1 6 061 0443 00 Operation Instructions Plate 1 1 H335994 e Cover Assembly Incl Items 2 thru 4 1 7 H284693 Danger Plate 1 2 H98011 es Push Nut 6 8 061 0203 00 22 1 3 H98135 Rubber 1 9 98009 Fillet Gap fv stet 1 4 H284657 s Top Rail item 2 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 5 95 Page 6 4 Printed in U S A Sterilizer Main Return To Table Of Contents SECTION VI omponents PARTS LIST Refer to Chamber Components Side or Bottom Elsewhere 1 MA242701 Used on Units with Serial Numbers CP1000 thru CP1061 CR1000 thru 1154 CS1000 thru CS1975 RB1000 thru 7986 081000 thru DR1014 Item Part No Description Qty Part No Description Qty 1 Panel Refer to Front Panel Components 9 041 0250 15 ei nee tiene 1 Elsewhere Ref 10 H98007 Chamber Leg Bracket 2 2 040 0010 103
40. AINTENANCE SERVICE B Installation 1 Using a hard bristle brush clean all foreign matter from gasket channel of chamber 2 2 Lubricate door gasket 1 and gasket channel of chamber with soapy water or liquid deter gent 3 Using fingers push door gasket 1 into gasket channel of chamber 2 4 Run a cycle to seat door gasket Refer to Operator Manual if necessary 4 20 Wire Rack And Trays Removal Installation A Removal Return To Table Of Contents DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns 1 Remove three trays 1 Figure 4 23 from wire rack 2 2 Lift up on left edge of rack base plate 3 until rack base plate pops free of wire rack 2 3 While holding rack base plate 3 in a vertical position squeeze bottom of wire rack 2 together and remove it from chamber B Installation 1 While holding rack base plate 3 in a vertical position squeeze the bottom of the wire rack 2 together and insert it into chamber MA2530 00 NOTE There are two slots on the left edge of the rack base plate These slots must be aligned with wire rack before the rack base plate can be pushed down into locked position Figure 4 23 Wire Rack And Trays Removal Installation 4 21 Condensing Tank Removal Installa tion
41. ARTS LIST Always Specify Model amp Serial Number MA241101 Used on Units with Serial Numbers CP1070 thru CP1091 CR1126 thru CR1259 CS1695 thru CS3488 RB8107 thru RB11004 Part No Description Qty Part No Description Qty 1 050 2256 00 Ritter Panel M7 001 M7 005 1 9 040 0008 29 ee 2 050 2256 01 Midmark Panel M7 002 M7 003 10 98036 Pilot Light M7 001 M7 003 M7 004 M7 004 wicca denne sad nanan 1 005 Pede 1 2 98064 Flexible Shaft Assembly Includes H97747 Pilot Light M7 002 1 3 4 2 24 2 1 11 98081 Fill Vent Knob Assy Includes Item 12 1 HWLO008 27 Lockwasher 222222 1 12 040 0008 40 1 4 H98149 cease E 1 13 002 0373 00 Timer M7 001 M7 003 7 004 5 002 0242 00 Thermometer 1 M7 005 Incl Items 14 and 15 1 6 98063 Control Knob Includes Item 7 1 002 0373 01 Timer M7 002 Incl Items 14 and 15 1 7 u ces 1 14 015 0745 02 Timer Buzzer 120 volt 1 8 H98062 Timer 1 e 015 0745 03 Timer Buzzer 230 volt 1 15 040 0008 29 Screw 1 1 Midmark 1994 SF 1418 Page 6 6 3 Printed in U
42. C Unit M7 002 220 240 VAC 50 60 HZ 5 amp single phase Power Consumption 100 VAC Unit 1150 WATTS 12 amps 100 VAC VIS VAC Unit tenet tiie canine 1150 WATTS 10 amps 120 VAC 230 VAC Unit 1150 WATTS 5 amps 240 VAC Recommended Circuit A separate dedicated circuit is recommended for this sterilizer The sterilizer should not be connected to an electrical circuit with other appliances or equipment unless the circuit is rated for the addition al load Printed in U S A SECTION I GENERAL INFORMATION Table 1 1 Specifications Continued Description Data Chamber Pressure Operating recte s 27 psi 175 kPa Maximum Before Pressure Relief Valve 31 psi 214 kPa Chamber Temperature See Tables 5 1 and 5 2 for Suggested Times And Temperatures Return To Table Of Contents 1 5 Parts Replacement Ordering If a part replacement is required order the part directly from the factory as follows 1 Refer to Figure 1 2 to determine the location of the model number and serial number of the sterilizer and record this data There are different letter prefixes which proceed the serial number depending on the configuration of the unit These prefixes are very important and are needed to order the proper parts Refer to the Parts List to determine the item numbers of the parts part
43. ETHOD OF SHIPMENT OTHER NON EMERGENCY ORDER TO SHIP WITHIN 72 HOURS IF PART S IN STOCK UPS FED EX DAY EMERGENCY ORDER TO SHIP WITHIN 24 HOURS IF PART S IN STOCK IF ORDER IS RECEIVED BEFORE 1 00 P M E S T NEXT DAY 1 NEXT DAY P M SEND NOTIFICATION IF PARTS ARE NOT AVAILABLE TO SHIP WITHIN 24 HOURS VIA 2ND DAY 2ND DAY EMAIL OR PAX TO __ 640 Economy Midmark Corporation 2000 Rev 1 07 Page 7 2 Printedin U S A Return To Table Of Contents Return To Table Of Contents Midmark Corporation 60 Vista Drive P O Box 286 Versailles Ohio 45380 0286 MIIDMARIC Fax 937 526 5542 midmark com Because we care Subject to change without notice Refer to www Documark com for latest revision Midmark Corporation 2005 Printed in U S A
44. NTED STEAM STEAM PURE STEAM WITH AIR HEATED WATER pend PRESSURE RELIEF VALVE RESERVOIR MA2541 00 Figure 5 3 Sheet 1 of 4 Flow Diagram e oKo e Buunp 1 21 1 5 eui 1noufnoJui 1 pue WEIJS y e1eJisn e naui 1994 6 6 4 Z S SIAVd9VIG ANV SOILVIN3HOS A NOILO3S 96 4 8171 45 7661 8 5 VSN Ul peiuud Return To Table Of Contents PHASE 2 HEAT UP CHAMBER PRESSURE RELIEF VALVE BELLOWS ASS Y RESERVOIR FILL VENT VALVE CLOSED WATER VENTED STEAM STEAM PURE STEAM WITH AIR HEATED WATER CONDENSING COIL MA2542 00 Figure 5 3 Sheet 2 of 4 Flow Diagram A NOIL23S SIAVH9VIG ANV SOILLVIN3HOS 96 4 8LvL JS 66 6 5 VSN Ul peiuud Return To Table Of Contents WATER VENTED STEAM STEAM PURE STEAM WITH AIR HEATED WATER PHASE 3 STERILIZING PRESSURE VESSEL PRESSURE RELIEF VALVE FILL VENT VALVE CLOSED RESERVOIR MA2543 00 Figure 5 3 Sheet 3 of 4 Flow Diagram SIAVad9VIG ANV SOILVIN3HOS A NOILO3S 96 9 8171 45 7661 01 9 WSN Ul peiuud Return To Table Of Contents PHASE
45. RACKET _ lt MA2525 00 Figure 4 18 Fill Vent Valve Removal Installation Midmark 1994 SF 1418 Page 4 17 SECTION IV MAINTENANCE SERVICE MA2526 00 Figure 4 19 Fill Vent Valve Assembly Disassembly Assembly 2 While holding nut 3 stationary unscrew closing bracket 4 from plunger 5 8 Remove nut 3 and spring 6 from plunger 5 4 Push plunger 5 out of valve body 2 5 Remove two o rings 7 and 8 from plunger 5 C Assembly 1 Flush all foreign matter out of valve body 2 and off of all components with water 2 Coat o rings 7 and 8 with high temperature lubricant 8 Install o rings 7 and 8 on plunger 5 4 Insert plunger 5 into valve body 2 Printed in U S A SECTION IV MAINTENANCE SERVICE 5 Install spring 6 nut 3 and closing bracket 4 on plunger 5 NOTE The back side of the plunger has a screwdriver slot allen wrench to assist in adjusting the closing bracket and nut 6 Adjust closing bracket 4 until Distance A is approximately 3 16 to 1 4 in 0 47 to 0 63 cm Secure closing bracket in position by tightening nut 3 against closing bracket 7 Coat threads of fitting 1 with Teflon tape sealant 8 Install fitting 1 on valve body 2 D Installation 1 Install fill vent valve assembly 2 Figure 4 18 in brackets 4 making sure fill vent lever 3 is inserted
46. Refer to Base Components Elsewhere Ref Shell Assembly M7 001 amp M7 004 Refer to Chamber Components Side or Lower Elsewhere 1 Shell Assembly M7 005 Refer to Chamber Components Side or Lower Elsewhere 1 Shell Assembly M7 002 Refer to Chamber Components Side or Lower Elsewhere 1 Shell Assembly M7 003 Refer to Chamber Components Side or Lower Elsewhere 1 Item Part No 9 041 0250 15 10 051 0721 00 11 040 0250 47 12 H98091 13 14 H352623 15 16 H98074 17 041 0010 10 18 040 0010 73 19 H97980 20 H99388 29 H99388 27 21 H99387 22 H335943 23 052 0251 00 24 040 0010 95 Always Specify Model amp Serial Number Description Nut i ngo pee ORE Chamber Leg Bracket Screw Tank Tank Assembly Refer to Tank Assembly Elsewhere Clip Vent Valve Components Refer Assembly Elsewhere LOVER EE Insulation Banding Strap shown Banding Strap End Banding Strap Clip to Valve Re Ref Midmark 1994 SF 1418 Rev 7 97 Page 6 5 2 Printed in U S A Sterilizer Main Return To Table Of Contents omponents SECTION VI PARTS LIST
47. Refer to para 4 2 Remove the timer knob 1 Figure 4 3 from shaft of timer assembly 2 by pulling straight out on timer knob Tag and disconnect four wires 3 from termi nals of timer assembly 2 Remove nut 4 and timer assembly 2 from front panel 5 Installation Align locator pin with locating hole then install timer assembly 2 on front panel 5 and secure with nut 4 Connect four wires 3 to terminals of timer assembly 2 Install timer knob 1 on shaft of timer assem bly 2 Install cover assembly Refer to para 4 2 Printed in U S A Return To Table Of Contents SHAFT LOCATOR PIN MA2514 00 Figure 4 3 Timer Assembly Removal Installation Midmark 1994 SF 1418 Page 4 3 SECTION IV MAINTENANCE SERVICE 4 5 Timer Buzzer Removal Installation Only On Units With New Style Timer Assembly A Removal 1 Remove cover assembly Refer to para 4 2 2 Remove timer assembly Refer to para 4 3 3 Tag and disconnect two wires 1 Figure 4 4 from timer assembly 2 4 Remove screw 3 and timer buzzer 4 from timer assembly 2 Installation 1 Install timer buzzer 4 on timer assembly 2 and secure with screw 3 2 Connect two wires 1 to timer assembly 2 3 Install timer assembly Refer to para 4 3 4 Install cover assembly Refer to para 4 2 MA2515 00 Figure 4 4 Time
48. Remove wire rack and trays Refer to para 4 20 Midmark 1994 SF 1418 Figure 4 5 Pilot Light Removal Installation 4 Lay unit onto its side 5 Remove two screws 2 and inspection cover 3 from base 4 6 Taking care not to kink rod 5 flex rod and remove it from rocker bracket 6 Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE 9 Remove two nuts 1 Figure 4 8 lockwashers 2 and washers 3 from terminal posts of heating element 4 10 Pull bracket 5 off of terminal posts of heating element 4 11 Remove heating element 4 and spacer 6 from inside of chamber 12 Remove one gasket 7 from each terminal post of heating element 4 MA2517 00 Figure 4 6 Inspection Cover Removal Installation 7 Tag and disconnect four wires 7 from termi nals of heating element 8 NOTE Step 8 applies only to units which have an old style heating element Units with a new style heating element have built in terminals 8 If unit has an old style heating element remove nut 1 Figure 4 7 two terminals 2 and nut MA2518 00 8 from each terminal post of heating element 4 Discard nuts and terminals will receive Figure 4 7 Removal Of Terminals From new style heating elem
49. ator de presses the FILL VENT lever which opens the fill vent valve Water flows from the condensing tank thru the fill vent valve and into the chamber When the operator visually observes that the water level in the chamber is within 1 2 in to 5 8 in 13 to 16 mm from the front rim of the chamber the operator releases the FILL VENT lever closing the fill vent valve Now the operator begins the heat up portion of the cycle by turning on the timer assembly During the heat up portion of the cycle the water is heated by the heating element As the water begins to boil air is bled off thru the bellows assembly into the condensing tank When the bellows assembly senses pure steam flowing thru it the valve in the bellows assembly closes allowing pressure in the chamber to build The sterilizing portion of the cycle begins when the bellows assembly is completely closed not allowing steam to flow thru it and the desired temperature in the chamber for the selected cycle is reached The opera tor sets the timer assembly for the desired length of the cycle and the cycle is run When the timer assembly counts down to 0 minutes and shuts off the heating element the vent portion of the cycle begins After the door handle has been moved to the vent position the operator depresses the FILL VENT lever which opens the fill vent valve Steam and water flow thru the fill vent valve and into the condensing tank venting the chamber Th
50. ature on the Maximum Regis tering Thermometer The reading should be 270 F 272 F 132 2 133 4 C and should match the temperature reading recorded from the TEMPERATURE gauge during the cycle 2 2 Troubleshooting Procedures see next page Table 2 1 is a troubleshooting guide which is used to determine the cause of the malfunction Printed in U S A Return To Table Of Contents SECTIONII TESTINGANDTROUBLESHOOTING Table 2 1 Troubleshooting Guide Unit seems powerless Pilot light does not illuminate when timer is set and unit does not start to heat up Unit does not complete PILOT light does illuminate but sterilization cycle cycle Midmark 1994 SF 1418 Rev 5 95 chamber does not reach properly required temperature pressure during sterilization Power cord is not plugged in to wall outlet Facility circuit breaker providing power to unit is tripped Manual reset overheat thermostat is tripped Auto reset overheat thermostat is tripped Applies only to units with Serial Numbers CS5297 and RB14565 Thru Present Manual reset or auto reset overheat thermostat is malfunctioning stuck open Auto reset overheat thermostat is only on units with Serial Numbers CS5297 and RB14565 Thru Present Timer assembly is malfunctioning Temperature regulator relay is malfunctioning stuck open Wiring connections loose Flexible shaft assembly is malfunctioning Temperature
51. ckwise as far as possible 10 Observe The PILOT light will illuminate indicating that the heating element is energized Should begin to hear water boiling in the chamber and steam and air releasing thru the bellows assembly Should hear the bellows assembly close completely hissing sound should almost completely stop The PILOT light should flash on and off during the cycle indicating the heating element is being ener gized and deenergized to regulate the tempera ture in the chamber 11 Record the highest temperature reached during the cycle from the TEMPERATURE gauge on the front panel of the sterilizer NOTE Earlier units do not have a timer buzzer CAUTION Ensure that the Maximum Registering Thermometer has been shaken down to its lowest setting Failure to do so could result in an incorrect reading 6 Place a Maximum Registering Thermometer in the middle tray toward the door of the sterilizer Refer to Table 1 2 for special tool Depress the FILL VENT lever and allow the water to fill the chamber until the water level is within 1 2 to 5 8 in 13 to 16 mm from the front rim of the chamber then release the FILL VENT lever Close and latch the door in the chamber as follows Insert the right edge of the door into the chamber and then push the rest of the door 1994 32 1418 2 1 12 Observe Wait for the TIMER knob to ru
52. d Applies only to units with Serial Numbers CS5297 and RB14565 Thru Present Manual reset or auto reset overheat thermostat is malfunctioning stuck open Auto reset overheat thermostat is only on units with Serial Numbers CS5297 and RB14565 Thru Present Diaphragm cup is malfunctioning is failing to open contacts of temperature regulator relay when maximum temperature 270 degrees F 132 degrees C is reached resulting in overheating Page 2 4 Check resistance of heating element in ohms 100 V 50 Hz 8 08 to 8 94 115 V 60 Hz 11 31 to 12 5 230 V 50 Hz 45 65 to 50 45 Replace suspect bellows assembly with known working bellows assembly Run cycle and observe pressure relief valve it should not dump pressure until temperature gauge reads 275 degrees F 135 degrees C 2 degrees Replace suspect diaphragm cup with known working diaphragm cup Check fill vent valve for dirt and o rings for wear or damage Run cycle and observe for leaks around edges of door assembly Replace suspect bellows assembly with known working bellows assembly Replace suspect timer assembly with known working timer assembly If the unit is hot allow the unit to cool for 15 to 20 minutes Press the RESET button on the front panel Now the PILOT light should illuminate when the TIMER knob is set If the unit is hot allow the unit to cool for 15 to 20 minutes Now the PILOT light should illuminate when t
53. e 4 12 lockwasher 2 and diaphragm cup 3 from chamber wall 4 5 Remove gasket 5 from diaphragm cup 3 B Installation 1 Install gasket 5 on diaphragm cup 3 11 Plug the power cord into wall outlet 12 Close and latch the door of the chamber 13 Set the TIMER knob to its maximum setting of 30 minutes 14 Unscrew setscrew 4 2 to 3 turns CAUTION The lip of the nut must face toward the lockwasher NOTE Wait until chamber temperature reaches as high as it is going to go before attempting to adjust 15 Install screw 3 Adjust screw until TEMPERA TURE gauge reads slightly above 270 F 132 C NOTE Setscrew provides fine tuning of temperature adjust ment 16 Adjust setscrew 4 until TEMPERATURE gauge reads 270 271 F 131 6 132 8 C 17 After adjustment is satisfactory turn TIMER knob to off and vent the chamber 18 Install cover assembly Refer to para 4 2 4 11 Diaphragm Cup Removal Installa tion A Removal 1 Remove cover assembly Refer to para 4 2 2 Remove wire rack and trays Refer to para 4 20 3 Remove temperature regulator relay Refer to para 4 9 Midmark 1994 SF 1418 Page 4 12 2 Install diaphragm cup 3 on chamber wall 4 and secure with lockwasher 2 and nut 1 3 Install wire rack and trays Refer to para 4 20 4 Install temperature regulator relay Refer to para 4 9
54. e needles 1 2 066 0240 00 ERECTUS 4 5 061 0719 00 Label 2 3 M7 SteriliZer Ref 061 0719 01 Label Riter 2 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 5 99 Page 6 14 Printedin U S A Return To Table Of Contents COMMENTS The Technical Publications Department of Midmark However if you find any errors or feel that there should Corporation takes pride in its publications We are sure be a change addition or deletion to a manual please that our manuals will fill all of your needs when you are let us know performing scheduled maintenance servicing or repairs on a Midmark product Page s and Paragraph s Needing Changed Description of Error or Desired Change Please fax or mail a copy of this completed comment sheet to Midmark Corporation ATTN Technical Publications Department 60 Vista Drive Versailles Ohio 45380 Fax 937 526 5542 Midmark Corporation 2000 SF 1621 Page 7 1 Printed in U S A Return To Table Of Contents FAX ORDERING FORM SERVICE PARTS ONLY NOTES ALL AREAS MUST BE COMPLETED USE FOR NON WARRANTY FAX ORDERS ONLY WARRANTY ORDERS MUST TELEPHONED IN 1 800 MIDMARK ATTENTION SERVICE DEPARTMENT FAX 877 249 1793 ACCT 1t P O NAME SHIP TO ADDRESS CITY ST CONTACT PHONE M
55. ent Old Style Heating Element Midmark 1994 SF 1418 Page 4 5 Printed in U S A SECTION IV MAINTENANCE SERVICE B Installation 1 Install one gasket 7 Figure 4 8 on each terminal post of heating element 4 CAUTION Hold heating element firmly in position while tightening nuts Otherwise damage to heating element or improper positioning of heating element may result Also spacer must remain above gaskets If spacer is installed under gasket leaking will result NOTE Flat side of nut should be facing lockwasher 2 Install spacer 6 and heating element 4 on chamber wall and secure with bracket 5 two washers 3 lockwashers 2 and nuts 1 3 Connect four wires 7 Figure 4 6 to terminals of heating element 8 4 Taking care not to kink rod 5 flex rod and insert it into rocker bracket 6 5b Install inspection cover 3 on base 4 and secure with two screws 2 6 Turn unit upright 7 Install wire rack and trays Refer to para 4 20 8 Tighten drain 1 9 Connect power cord to wall outlet 10 Fill condensing tank with distilled or demineral ized water 4 8 Overheat Thermostat Removal In stallation A Removal DANGER Always unplug the power cord from the wall outlet before removing any of the sterilizers cover panels or making any repairs to prevent the possibility of electrical shock Failure to comply with these instructions could r
56. ere is coiled tubing under water in the condensing tank which serves to turn the steam back into water There is a pressure relief valve which opens if the pressure in the pressure valve reaches 31 PSI 214 kPa during a cycle This provides a safety relief for the chamber so that unsafe pressures cannot build Midmark 1994 SF 1418 Rev 5 95 Page 1 3 SECTION I GENERAL INFORMATION There is a temperature gauge on the front control panel which indicates the temperature inside the chamber during a cycle 1 4 SPECIFICATIONS Factual data for the sterilizer is provided in Table 1 1 Table 1 1 Specifications Description Data Dimensions overall Length 19 in 48 3 cm oot eie fet 14 in 35 6 cm Height Liens 13 in 33 cm Shipping Carton 24 in x 16 in x 16 in 61 cm x 40 6 cm x 40 6 cm Door Opening 6 5 in 16 8 cm Weight With Reservoir Empty 30 Ib 13 6 kg With Reservoir Full 39 Ib 17 7 kg With Shipping Carton 39 Ib 17 7 kg Water Reservoir Capacity Approx 3 4 gallon 2 75 Liters to full mark Electrical Requirements 100 VAC Unit M7 003 100 VAC 50 60 HZ 15 amp single phase 115 VAC Unit M7 001 110 120 VAC 50 60 HZ M7 004 and M7 005 10 amp single phase 230 VA
57. esult in severe personal injury or death Midmark 1994 SF 1418 Page 4 6 Return To Table Of Contents MA2519 00 Figure 4 8 Heating Element Removal Installation 1 Disconnect power cord from wall outlet 2 Unscrew drain 1 Figure 4 9 and drain all water from condensing tank Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE MANUAL RESET OVERHEAT THERMOSTAT AUTO RESET OVERHEAT THERMOSTAT MA251702 Figure 4 9 Overheat Thermostat Removal Installation 3 Remove wire rack and trays Refer to para 4 20 4 Lay unit onto its side 5 Remove two screws 2 and inspection cover 3 from base 4 6 Taking care not to kink rod 5 flex rod and remove it from rocker bracket 6 NOTE Only units with Serial Numbers CS5297 amp RB14565 Thru Present also have auto reset overheat thermostats Midmark 1994 SF 1418 Rev 5 95 Page 4 7 7 If removing manual reset overheat thermostat 8A tag and disconnect two wires 7A from terminals of overheat thermostat 8A If removing auto reset overheat thermostat 8B tag and disconnect two wires 7B from terminals of overheat thermostat 8B Loosen two nuts 9 and partially separate bracket 10 from chamber wall 11 Remove overhea
58. etre 1 H284702 1 Shell Assembly M7 005 20 H99388 29 Banding Strap shown 2 Refer to Chamber Components Side or H99388 27 Banding Strap End 1 Lower Elsewhere 1 21 H99387 Banding Strap Clip 2 H284702 2 Shell Assembly M7 002 22 H335943 Tubing 1 Refer to Chamber Components Side or 23 98128 Dp M 1 Lower Elsewhere 1 24 040 0010 95 A TATA 4 284702 3 Shell Assembly 7 003 Refer to Chamber Components Side or Lower Elsewhere 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 7 97 Page 6 5 1 Printed in U S A Sterilizer Return To Table Of Contents Main Components SECTION VI PARTS LIST MA242702 Used on Units with Serial Numbers CR1511 thru CR1685 FM1000 thru FM1425 and FN1000 thru FN1229 Part No 2 040 0010 103 3 97991 4 5 041 0010 10 6 040 0010 125 7 8 029 1865 00 H284702 1 029 1865 01 029 1865 02 Description Qty Panel Refer to Front Panel Components Elsewhere Ref SGIOW idet 1 Stop niteat ee trt 1 Door Assembly Refer to Door Assembly Elsewhere Torque Nut STOW ota eae e pt td Base Assembly
59. flexible shaft assembly 2 Rotate TEMPERATURE REGULATOR knob in a counterclockwise direction until it hits the setscrew stop Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE TEMPERATURE GAUGE TEMPERATURE REGULATOR MA2520 00 Figure 4 10 Temperature Regulator Relay Removal Installation Midmark 1994 SF 1418 Page 4 9 Printed in U S A SECTION IV MAINTENANCE SERVICE NOTE Earlier units have only one setscrew securing the TEMPERATURE REGULATOR knob while later units have two 9 Making sure TEMPERATURE REGULATOR knob is held against setscrew stop loosen one two setscrews 12 in TEMPERATURE REGU LATOR knob Rotate TEMPERATURE REGU LATOR knob until white index mark is at the 9 00 o clock position then tighten one two setscrews 12 10 Depress the FILL VENT lever and allow the water to fill the chamber until the water level is within 1 2 5 8 in 13 16 mm from the front rim of the chamber then release the lever Return To Table Of Contents 17 After adjustment is satisfactory turn TIMER knob to off and vent the chamber 18 Install cover assembly Refer to para 4 2 4 10 Temperature Regulator Relay Ad justment A Removal 1 Remove cover assembly Refer to para 4 2 2 Remove setscrew 1 Figure 4 11 from hub of flexible shaft assembly 2 NOTE
60. g if necessary Printed in U S A Return To Table Of Contents SECTION II TESTINGANDTROUBLESHOOTING Table 2 1 Troubleshooting Guide Continued Non operational problems Sterilizer slides on counter or grease on counter Check for film or grease Clean counter top with sterilizer top top counter top Damaged suction foot Check if suction foot Replace damaged suction works foot Water leaks around Loose fittings Check all fittings for leaks Remove fitting coat threads sterilizer of fitting with Teflon tape or sealant and reinstall fitting Compression nut and or Check all compression nuts Loosen compression nut compression sleeve is for leaks Replace compression sleeve loose or excessively if necessary deformed Tubing is damaged Check for holes kinks or Replace tubing other types of damage to tubing Door handle is hard to Handle cam is dry Check for lubricant on cam Lubricate cam part of handle operate of door handle with high temperature grease Water leaks around door Door gasket is worn or Check door gasket for wear Replace door gasket Refer during cycle damaged or damage to para 4 19 Midmark 1994 SF 1418 Page 2 6 Printed in U S A Return To Table Of Contents SECTION Ill SCHEDULED MAINTENANCE SECTION III SCHEDULED MAINTENANCE 3 1 Scheduled Maintenance periodically on the sterilizer These inspections and services should be performed as often as i
61. he TIMER knob is set Perform continuity check on N C overheat thermostat cool closed Replace suspect diaphragm cup with known working diaphragm cup If heating element resistance is not within range replace heating element Refer to para 4 7 Replace bellows assembly Refer to para 4 14 4 15 or 4 16 Replace pressure relief valve Refer to para 4 13 Replace diaphragm cup Refer to para 4 11 Clean or replace fill vent valve Refer to para 4 17 Replace door gasket Refer to para 4 19 Replace door assembly if necessary Refer to para 4 18 Replace bellows assembly Refer to para 4 14 4 15 or 4 16 Replace timer assembly Refer to para 4 3 or 4 4 If necessary add distilled water to condensing tank then press the RESET button on the front panel Wait 15 to 20 minutes to allow thermostat to reset itself Also replace manual reset overheat thermostat Refer to para 4 8 If open replace overheat thermostat Refer to para 4 8 Replace diaphragm cup Refer to para 4 11 Printed in U S A Unit does not complete sterilization cycle properly Continued FILL VENT function does not work properly Midmark 1994 SF 1418 Rev 5 95 Return To Table Of Contents SECTIONII TESTINGANDTROUBLESHOOTING Table 2 1 Troubleshooting Guide Continued Chamber does not vent at completion of cycle when the FILL VENT lever is depressed Sterility Indicators show sterilizat
62. in slot of closing bracket 2 Position tubes 5 and screw compression nuts 1 onto fittings of fill vent valve assembly 2 3 Install cover assembly Refer to para 4 2 4 Test operation of fill vent valve If water will not flow or flows very slowly when fill vent lever is depressed lengthen Distance A slightly See Figure 4 19 4 18 Door Assembly Removal Installation A Removal DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns Return To Table Of Contents MA2527 00 Figure 4 20 Door Assembly Removal Installation B Disassembly NOTE Washer 2 is held on by removable threadlocking adhesive Loctite 242 and may be difficult to remove Pull on door to dislodge washer 1 Open door handle 1 Figure 4 20 to the un latched position 2 Remove torque nut 2 screw 3 door stop 4 and door assembly 5 from hinge 6 Midmark 1994 SF 1418 Rev 10 06 Page 4 18 1 Remove cap nut 1 Figure 4 21 washer 2 and door 3 from T bolt 4 2 Remove short spring 5 and long spring 6 from T bolt 4 3 Remove retaining ring 7 pin 8 handle 9 and door cross arm 10 from U bracket 11 4 Remove T bolt 4 from U bracket 11 Printedin U S A Return To Table Of Contents MA2528 00 Figure 4 21 Door Assembly
63. ion 1 Coat threads of nut 11 Figure 4 26 with removable threadlocking adhesive Loctite 242 2 Install washer 14 and hinge 13 on door bracket of chamber 4 and secure with screw 12 and nut 11 3 Insert ends of spring 10 in spring holes 4 Coat threads of fittings 8 and 9 with Teflon tape sealant 5 Install male fitting 9 and elbow fitting 8 on chamber 4 6 Install chamber leg bracket 7 on chamber 4 and secure with screw 6 and nut 5 7 Install insulation 3 on chamber 4 Secure insulation on chamber with two banding straps 2 and banding strap 1 Printed in U S A SECTION IV MAINTENANCE SERVICE 8 Install chamber assembly 7 Figure 4 25 on base 8 and secure with two screws 6 NOTE If compression sleeves are too deformed to be reused remove old compression sleeves and replace with new ones 9 Connect tube 9 to elbow fitting 5 and secure with compression nut 4 10 Connect tube 10 to male fitting 3 and secure with compression nut 2 11 Install overheat thermostat Refer to para 4 8 Midmark 1994 SF 1418 Page 4 24 12 13 14 15 16 17 18 Return To Table Of Contents Install heating element Refer to para 4 7 Install diaphragm cup Refer to para 4 11 Install wire rack and trays Refer to para 4 20 Install door assembly Refer to para 4 18 Install door gasket Refer to para
64. ion standards were not met Timer does not buzz at end of cycle When FILL VENT lever is depressed water does not flow into chamber When FILL VENT lever is released water continues to enter the chamber When FILL VENT lever is depressed water does not vent from chamber Fill vent valve is clogged with foreign matter Check fill vent valve for foreign matter Clean or replace fill vent valve Refer to para 4 17 Tubing is clogged Check tubing for foreign Clean out tubing matter Improper loading of unit Temperature regulator relay is out of adjustment Bellows assembly is stuck in open position Timer buzzer is malfunctioning Fill vent valve is clogged with foreign matter Fill Vent valve is not adjusted to open and close properly Condensing tank is low on distilled or demineralized water Tubing is clogged Fill vent valve is clogged with foreign matter O rings in Fill Vent valve are worn or damaged Fill Vent valve is not adjusted to open and close properly Fill vent valve is clogged with foreign matter Fill Vent valve is not adjusted to open and close properly Tubing is clogged Page 2 5 Check operator s manual for recommended loading procedures Check adjustment of temperature regulator relay using a lag thermometer TEMPERATURE gauge on front panel may be giving inaccurate reading Replace suspect bellows assembly with kn
65. l test Perform an operational test to determine if the sterilizer is operating within its specifications Refer to para 2 1 Adjust or replace any malfunctioning components Midmark 1994 SF 1418 Page 3 1 Printed in U S A Return To Table Of Contents Midmark 1994 SF 1418 Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE SECTION IV MAINTENANCE SERVICE INSTRUCTIONS 4 1 Introduction DANGER Refer to the Operator Manual for complete instructions on operating the sterilizer Failure to do so could result in personal injury NOTE Perform an operational test on the sterilizer after the repair is completed to confirm the repair was properly made and that all malfunctions were repaired The following paragraphs contain replacement repair CHANNEL and adjustment procedures for the sterilizer RAIL 4 2 Cover Assembly Removal Installa tion A Removal DANGER Always unplug the power cord from the wall outlet before removing any of the sterilizers cover panels or making any repairs to prevent the possibility of electrical 3 shock Failure to comply with these instructions MA2512 00 could result in severe personal injury or death Figure 4 1 Cover Assembly Removal Installation 1 Disconnect power cord from wall outlet 4 3 Timer Assembly Removal Installa 2 Loosen six screws 1 Figure 4 1 three
66. mark 1994 SF 1418 Rev 1 01 Page 6 8 1 Printedin U S A Return To Table Of Contents Base Components SECTION VI PARTS LIST MA241205 Used on Units with Serial Numbers CR1511 thru CR1685 FM1000 thru FM1425 and FN1000 thru FN1229 Item Part No Description Qty Item Part No Description Qty 1 050 2383 00 Base dedita ot qt tet 1 13 061 0519 00 Wiring Diagram Label 2 98006 Inspection Cover 1 M7 001 7 003 8 7 004 1 3 050 1926 00 Vent Lever Bracket 1 061 0527 00 Wiring Diagram Label M7 002 1 4 98072 D eie Her 3 061 0601 00 Wiring Diagram Label M7 005 1 5 98021 FOOL caus eic nte e eer m eite 4 061 0607 00 Wiring Diagram Label M7 006 1 6 041 0010 01 4 14 040 0010 74 VII M 1 7 045 0001 08 Lockwasher 5 15 H98160 Strain Relief 1 8 52623 cus 11 16 98159 Cord M7 001 M7 003 M7 004 9 040 0010 125 2 SUL 1 10 042 0010 07 PoptiVel uoc etr tree rte 5 015 0688 13 Cord 7 002 7 006 1 11 061 0052 00 UE Labolina Ref 17 122357 Keps 4 12 Serial Number Tag Ref Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 8 2 Prin
67. n Nut 1 7 H98070 e Valve Spring 1 98069 PINGET s esie tei treten ted 1 8 041 0010 09 2 22 22 22 1 4 H98138 O Ring Apply 9 98077 Closing 1 High Temp Lube 064 0002 01 1 5 H98136 O Ring Apply Always Specify Model amp Serial Number O Midmark 1994 SF 1418 Rev 1 01 Page 6 12 1 Printedin U S A Return To Table Of Contents SECTION VI Rack amp Trays PARTS LIST J 0 00000000000 00000000000 00000000000 000000000000 000000000000 00000000000 00000000000 00000000000 000000000000 000000000000 245700 Part No Description Qty Part No Description Qty 1 002 0251 00 Wire Rack Assembly 1 3 002 0252 00 4 TAY A 1 2 002 0253 00 Tray ee terrere 2 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Page 6 13 Printed in U S A Return To Table Of Contents Packag i ng SECTION VI PARTS LIST MA246301 PartNo Description Qty Part No Description Qty 1 053 0061 01 tenes 1 4 066 0730 00 Git
68. n To Table Of Contents Chamber Components Lower SECTION VI PARTS LIST MA241001 CP1000 thru CP1091 RB1000 thru RB11004 Used on Units with Serial Numbers CR1000 thru CR1259 51000 thru CS3488 DR1000 thru DR1014 Part No Description Qty No 1 Chamber Refer to Chamber Com 13 015 0595 00 ponents Side Elsewhere Ref H225404 2 002 0245 00 Heater M7 001 M7 004 M7 005 Includes Item and 5 1 14 040 0006 43 H284687 2 Heater M7 002 Includes Items 3 1 15 041 0006 02 H284687 3 Heater M7 003 Includes Items 3 1 16 H98050 3 H97949 Nub zzi ee RU IS 2 17 040 0010 74 4 UO 4 18 225619 5 H98137 GasK6t nm tutus 2 002 0239 00 6 225639 1 19 H98040 7 H225616 Bracket 2 1 20 H98043 8 H97971 1 21 9 045 0001 56 Lockwashetr 4 22 2 10 H225913 1 22 042 0065 01 11 041 0010 10 NUE 1 23 H98041 12 225620 sender ceret 1 Always Specify Model amp Serial Number Description Qty 4 Rocker Assembly Includes Item 12 Item 13 and Item 14 1 SCI W oiu ete deterret 1 LoGknU t e eir 2 Rocker
69. n compression nut 3 and remove bellows assembly 4 from male connector 5 4 Remove male connector 5 from tee 6 B Installation 1 Coat threads of largest elbow in elbow assem bly 7 with Teflon tape sealant 2 Install elbow assembly 7 on tee 6 3 Install compression nut 8 and compression sleeve 9 on tube of bellows assembly 10 4 Connect tube of bellows assembly 10 to elbow assembly 7 by screwing compression nut 9 onto elbow assembly 7 5b Install tank cover 1 on tank assembly 2 6 Install cover assembly Refer to para 4 2 Midmark 1994 SF 1418 Page 4 16 REMOVAL MA2539 00 Figure 4 17 Bellows Assembly Removal Installation Printed in U S A Return To Table Of Contents 4 17 Fill Vent Valve Removal Installation A Removal 1 Remove cover assembly Refer to para 4 2 DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns 2 Loosen and disconnect two compression nuts 1 Figure 4 18 from fittings of fill vent valve assembly 2 3 Disengage closing bracket of fill vent valve assembly 2 from fill vent lever 3 by lifting up on back end of fill vent valve assembly first and then pulling it out of brackets 4 B Disassembly 1 Remove fitting 1 Figure 4 19 from valve body 2 CLOSING SS B
70. n down to 0 minutes When 0 minutes is reached the sterilization cycle is over and power to the heating element and pilot light is removed Proceed immediately to step 13 On later units the timer buzzer will sound when the timer assembly has run down to 0 minutes This is to alert the operator that the sterilization cycle is completed After 1 minute the timer buzzer will stop sounding Proceed immedi ately to step 13 13 Swing the door handle to the vent position 14 Depress the FILL VENT lever to vent the chamber then release the lever once the chamber is vented Allow chamber to cool 15 Observe Water and steam will flow into the condensing tank making a bubbling sound Printed in U S A SECTIONII TESTING AND TROUBLESHOOTING Return To Table Of Contents CHAMBER DOOR DOOR HANDLE UNLATCHED POSITION a DOOR HANDLE VENT POSITION TIME DOOR HANDLE KNOB LATCHED POSITION PILOT LIGHT FILL VENT LEVER FILL CAP CONDENSING I TANK FILL MARK INDICATOR TAB TEMPERATURE REGULATOR KNOB MA2537 00 Figure 2 1 Operational Test When the bubbling sound stops and the door pops open the chamber will be vented 16 Allow the Maximum Registering Thermometer to cool and then remove it from the chamber NOTE The Maximum Registering Thermometer has an accuracy of 4 F 2 2 C Midmark 1994 SF 1418 Page 2 2 17 Read the temper
71. ndicated in Table 3 1 is a Scheduled Maintenance Chart which lists the chart the inspections and services that should be performed Table 3 1 Scheduled Maintenance Chart Inspection or Service What to Do Semi annually Obvious damage Visually check condition of sterilizer for obvious damage such as cracks in components missing components dents in components leaks or any other visible damage which would cause sterilizer to be unsafe to operate or would compromise the performance of the sterilizer Repair sterilizer if necessary Fasteners hardware Check sterilizer for missing or loose fasteners hardware Replace any missing hardware and tighten any loose hardware as necessary using Loctite 242 if necessary Moving pas Moving pas All moving moving parts should be lubricated with high temperature grease should be lubricated with moving parts should be lubricated with high temperature grease temperature grease Warning and Check for missing or illegible decals Replace decals as necessary instructional decals Wiring connections Check the integrity of all wiring connections Clean all dirty connections Tighten any loose connections Replace any damaged connections Easy movement of door Lubricate cam of door assembly with high temperature grease handle Door gasket Remove door gasket and check it for dirt voids or deterioration Clean gasket using a mild soap and water solution Replace gasket if necessary Refer
72. nk assembly 2 from base 12 15 Return To Table Of Contents Fill tank assembly with distilled or demineral ized water 10 Remove male connector 13 from tee of tank 4 22 Chamber Assembly Removal assembly 2 11 Remove elbow 6 from tank assembly 2 12 Remove pressure relief valve 14 from tee of tank assembly 2 B Installation 1 Coat threads of pressure relief valve 14 elbow 6 and male connector 13 with Teflon tape sealant 2 Install pressure relief valve 14 on tee of tank assembly 2 3 Install elbow 6 on tank assembly 2 4 Install male connector 13 on tee of tank assembly 2 5 Install tank assembly 2 on base 12 and secure with four screws 11 6 Turn unit to upright position 7 Install assembly 10 on tee of tank assembly 2 8 Install grommet 9 in tank assembly 2 9 Slide tube of bellows assembly 8 thru grom met Connect other end of bellows assembly to male connector 13 with compression nut 7 10 Connect tube 15 to elbow 6 with compres sion nut 5 11 Connect tube 16 to elbow 4 with compres sion nut 3 12 Install temperature gauge Refer to para 4 12 13 Install drain 1 in tank assembly 2 14 Install cover assembly Refer to para 4 2 Midmark 1994 SF 1418 Rev 5 95 Page 4 22 1 10 11 12 13 14 15 16 17 Installati
73. ocedures will be noted on the parts illustrations Adherence to these requirements is essential Printed in U S A Return To Table Of Contents SECTION VI M7 Sterilizer PARTS LIST MA242600 Part No Description Qty No Description Qty 1 M7 001 Ritter 115 60 1 M7 005 M7 Special S N Prefix RB Ref S N Prefix Ref M7 002 220 240 50 1 M7 006 M7 Special S N Prefix CR amp DR Ref S N Prefix Ref M7 003 100 60 1 2 002 0396 00 Sterilizer 1 S N Prefix Ref M7 004 Midmark S N Prefix 9 Ref Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 7 97 Page 6 2 Printed in U S A Return To Table Of Contents Sterilizer Cover Ud PARTS LIST 7 LT MA242800 Item Part No Description Qty Item Part No Description Qty 1 Cover Assembly Refer to Sterilizer 3 040 0010 125 5 6 Cover Components Elsewhere 1 4 353064 Decal M7 005 Early Units Only 1 2 Sterilizer Components Refer to Sterilizer Main Components Elsewhere 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 5 95 Page 6 3 Printed in U S
74. ompression Nut 1 21 H224033 1 11 e 014 0392 00 _ Compression Nut 4 22 041 0250 07 Thermometer Nut 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 11 1 Printedin U S A Return To Table Of Contents Tank Assembly SAGES ligt MA240808 Used on Units with Serial Numbers RB7987 thru RB17992 CR1158 thru CR1685 DR1000 thru DR1267 CP1062 thru CP1149 CS1976 thru CS7753 FM1000 thru FM1425 and FN1000 thru FN1229 Item Part No Description Qty Part No Description Qty 029 1462 00 Tank Assembly Incls Items 1 thru 21 1 12 014 0184 00 MaleConnector 1 1 030 0799 00 1 13 014 0183 01 Connector Drilled 1 2 H98089 Safety Valve Apply Teflon Tape 14 014 0237 00 Nut 1 014 0026 00 1 15 Tube Refer to Sterilizer Main 3 014 0182 01 PipeNipple 1 Components Elsewhere Ref 4 H335945 1 Pipe T iiia ener 1 16 Tube Referto Sterilizer Main 5 9014 0241 00 22 2 1 Components Item 23 6 5 1 6 002 0375 00 Bellows 1 17 002
75. on A Removal Remove cover assembly Refer to para 4 2 Remove door assembly Refer to para 4 18 Remove door gasket Refer to para 4 19 Open drain 1 Figure 4 25 and drain water from condensing tank Remove wire rack and trays Refer to para 4 20 Remove temperature regulator relay Refer to para 4 9 Remove diaphragm cup Refer to para 4 11 Remove heating element Refer to para 4 7 Remove overheat thermostat s Refer to para 4 8 Loosen and disconnect compression nut 2 from male fitting 3 Loosen and disconnect compression nut 4 from elbow fitting 5 Remove two screws 6 and chamber assembly 7 from base 8 Disconnect and remove one banding strap 1 Figure 4 26 and two banding straps 2 from insulation 3 Remove insulation 3 from chamber 4 Remove nut 5 screw 6 and chamber leg bracket 7 from chamber 4 Remove elbow fitting 8 from chamber 4 Remove male fitting 9 from chamber 4 Printed in U S A Return To Table Of Contents SECTION IV MAINTENANCE SERVICE MA2533 00 MA2532 00 Figure 4 25 Chamber Assembly Removal Installation 18 Disconnect spring 10 from spring holes 19 Remove nut 11 screw 12 hinge 13 and washer 14 from door bracket of chamber 4 Midmark 1994 SF 1418 Page 4 23 Figure 4 26 Chamber Assembly Disassembly Assembly Installat
76. open replace overheat thermostat Refer to para 4 8 Replace timer assembly Refer to para 4 3 or 4 4 Replace temperature regulator relay Refer to para 4 9 Clean any dirty connections Tighten any loose connections Replace any damaged connections Replace flexible shaft assembly Refer to para 4 9 Adjust temperature regulator relay Refer to para 4 10 Replace temperature regulator relay Refer to para 4 9 Printed in U S A SECTIONII TESTING AND TROUBLESHOOTING Return To Table Of Contents Table 2 1 Troubleshooting Guide Continued Unit does not cycle properly Continued Temperature reaches 210 212 degrees F 98 8 100 degrees C during cycle and stays there Time set on timer assembly does not expire Midmark 1994 SF 1418 Rev 8 97 PILOT light does illuminate complete sterilization but chamber does not reach required temperature pressure during sterilization cycle Continued Heating element is malfunctioning Bellows assembly is closing prematurely or stuck in open position Pressure relief valve is malfunctioning stuck open Diaphragm cup is malfunctioning Fill vent valve is malfunctioning stuck open or leaking past o rings Door gasket and or door assembly is leaking Bellows assembly is stuck in open position Timer motor is malfunctioning Manual reset overheat thermostat is tripped Auto reset overheat thermostat is trippe
77. own working bellows assembly Replace suspect timer buzzer with known working timer buzzer Check fill vent valve for foreign matter Check adjustment of Fill Vent valve Check water level in condensing tank Check condensing tank and tubing for foreign matter Check fill vent valve for Load unit properly and repeat cycle Adjust temperature regulator relay Refer to para 4 10 Replace bellows assembly Refer to para 4 14 4 15 or 4 16 Replace timer buzzer Refer to para 4 5 Clean or replace fill vent valve Refer to para 4 17 Adjust closing bracket on fill vent valve Refer to para 4 17 Fill condensing tank with water up to FULL mark Clean out condensing tank and tubing Replace condensing tank if necessary Refer to para 4 21 Replace tubing if necessary Clean or replace fill vent valve Refer to para 4 17 Check o rings in Fill Vent Repair Fill Vent Valve Refer valve for wear or damage to para 4 17 Check adjustment of Fill Vent valve Check fill vent valve for Check adjustment of Fill Vent valve Check condensing tank and tubing for foreign matter Adjust closing bracket on fill vent valve Refer to para 4 17 Clean or replace fill vent valve Refer to para 4 17 Adjust closing bracket on fill vent valve Refer to para 4 17 Clean out condensing tank and tubing Replace condensing tank if necessary Refer to para 4 21 Replace tubin
78. r Buzzer Removal Installation Printed in U S A SECTION IV MAINTENANCE SERVICE 4 6 Pilot Light Removal Installation A Removal 1 Remove cover assembly Refer to para 4 2 2 Disconnect two wires 1 Figure 4 5 from terminals of pilot light 2 Return To Table Of Contents NOTE Pilot lights on older units do not have the four tabs These older pilot lights are held in by friction only or by a retaining ring 3 Press in on four tabs of pilot light 2 while simultaneously removing pilot light from front panel 3 B Installation NOTE Pilot lights on older units do not have the four tabs These older pilot lights are held in by friction only or by retaining ring 1 Push pilot light 2 into front panel 3 until it pops into place 2 Connect two wires 1 to terminals of pilot light 2 3 Install cover assembly Refer to para 4 2 4 7 Heating Element Removal Installa tion A Removal DANGER Always unplug the power cord from the wall outlet before removing any of the sterilizers cover panels or making any repairs to prevent the possibility of electrical shock Failure to comply with these instructions could result in severe personal injury or death TABS MA2516 00 1 Disconnect power cord from wall outlet 2 Unscrew drain 1 Figure 4 6 and drain all water from condensing tank 3
79. r H99388 27 Banding Strap End Lower Elsewhere 1 21 H99387 Banding Strap Clip 029 1865 02 Shell Assembly M7 003 22 H335943 E Refer to Chamber Components Side or 23 052 0251 00 Tubing irren Lower Elsewhere 1 Midmark 1994 SF 1418 Page 6 5 3 Printed in U S A Return To Table Of Contents Front Panel Components SECTION VI PARTS LIST Always Specify Model amp Serial Number MA241102 Used on Units with Serial Numbers CP1000 thru CP1069 CR1000 thru CR1125 CS1000 thru CS1694 RB1000 thru RB7499 Part No Description Qty Part No Description Qty 1 H335992 1 Ritter Panel M7 001 1 8 H98062 TimerKnob tme 1 H335992 5 Midmark Panel M7 002 M7 003 9 NUES irme bere Ref 7 004 1 10 H98036 Pilot Light M7 001 M7 003 M7 004 1 2 98064 Flexible Shaft Assembly Includes H97747 Pilot Light M7 002 1 Items 3 4 2 2 2 42 2 1 11 H98081 Fill Vent Knob Assembly Includes HWLO008 27 e Lockwasher 1 1 4 H98149 n 1 12 040 0008 0 1 5 002 0242 00 Thermometer
80. r demineral ized water 4 9 Temperature Regulator Relay Re moval Installation A Removal 1 Remove cover assembly Refer to para 4 2 2 Remove setscrew 1 Figure 4 10 from hub of flexible shaft assembly 2 3 Rotate TEMPERATURE REGULATOR knob in a counterclockwise direction until the flexible Midmark 1994 SF 1418 Rev 5 95 B 5 Remove two screws 8A one screw 8B temperature regulator relay 3 and relay spacer 9 from relay bracket 10 Installation NOTE Relay spacer is not used on older 220 VAC units Screw 8B is used for adjustment and will be installed later Page 4 8 1 Install relay spacer 9 and temperature regula tor relay 3 on relay bracket 10 and secure with two screws 8A Do not install screw 8B at this time Connect one wire 6 to terminal of heating element 7 and one wire 4 to terminal of timer assembly 5 Adjust setscrew 11 until it is flush with relay bracket 10 Coat threaded end of flexible shaft assembly 2 with high temperature grease Screw threaded end of flexible shaft assembly 2 into temperature regulator relay 3 by turning TEMPERATURE REGULATOR knob in clockwise direction Keep rotating TEMPERA TURE REGULATOR knob in clockwise direc tion until flexible shaft assembly is screwed in as far as possible Rotate TEMPERATURE REGULATOR knob 11 gt turns in a counterclockwise direction Install setscrew 1 in hub of
81. re to do so could result in serious injury or burns 2 Using a wrench on bellows nuts to hold bellows assembly 1 Figure 4 15 stationary loosen and disconnect compression nuts 2 and 3 3 Remove bellows assembly 1 from tubes 4 Installation 1 Position bellows assembly 1 on tubes 4 making sure flow arrow is pointing toward compression nut 3 NEW STYLE BELLOWS NUT MA2524 00 Figure 4 15 Bellows Assembly Removal Installation MA2540 00 Figure 4 14 Pressure Relief Valve Removal Installation Midmark 1994 SF 1418 Page 4 14 Printed in U S A Return To Table Of Contents 2 Using a wrench on bellows nuts to hold bellows assembly 1 stationary screw compression nuts 2 and 3 onto bellows assembly Install cover assembly Refer to para 4 2 4 15 Bellows Assembly Removal Instal lation Applies To Units With Serial Numbers CP 1000 Thru CP 1061 CR 1000 Thru CR 1113 CS 1000 Thru CS 1569 And RB 1000 Thru RB 7193 A Removal 1 Remove cover assembly Refer to para 4 2 SECTION IV MAINTENANCE SERVICE 3 Install tank cover 1 on tank assembly 2 4 Install cover assembly Refer to para 4 2 DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns NOTE There may be a strip of tape holding the tank cover on to p
82. regulator relay is out of adjustment Temperature regulator relay is malfunctioning Page 2 3 Check to see if power cord is plugged in Check to see if facility circuit breaker is tripped One way of checking this is to plug a lamp into wall outlet that unit was plugged into If the unit is hot allow the unit to cool for 15 to 20 minutes Press the RESET button on the front panel Now the PILOT light should illuminate when the TIMER knob is set If the unit is hot allow the unit to cool for 15 to 20 minutes Now the PILOT light should illuminate when the TIMER knob is set Perform continuity check on N C overheat thermostat cool closed Replace suspect timer assembly with known working timer assembly Perform continuity check on temperature regulator relay Check all wiring connections Check flexible shaft assembly for wear or damage Check adjustment of temperature regulator relay Check if temperature regulator relay is stuck open or contacts not touching properly Plug power cord into facility wall outlet If circuit breaker is tripped determine what caused circuit breaker to trip correct the problem and then reset replace circuit breaker If necessary add distilled water to condensing tank then press the RESET button on the front panel Wait 15 to 20 minutes to allow thermostat to reset itself Also replace manual reset overheat thermostat Refer to para 4 8 If
83. repairs are completed safely and correctly proceed as follows 1 Read this entire manual before performing any services or repairs on this sterilizer 2 Be sure you understand the instructions contained in this manual before attempting to service or repair this sterilizer Warnings Throughout this manual are Note Caution and Danger paragraphs that call attention to particular procedures These items are used as follows NOTE A note is used to amplify an operating procedure practice or condition CAUTION A CAUTION is used for an operating procedure practice or condition which if not correctly followed could result in equipment damage DANGER A A DANGER is used for an operating procedure practice or condition which if not correctly followed could result in loss of life or serious personal injury Midmark 1994 SF 1418 Rev 2 95 Warranty Instructions Refer to the Midmark Limited Warranty printed on the back cover of the Installation and Operation Manual for warranty information Failure to follow the guidelines listed below will void the warranty and or render the sterilizer unsafe for operation Inthe event of a malfunction do not attempt to operate the sterilizer until necessary repairs have been made Do not attempt to disassemble sterilizer replace malfunctioning or damaged components or perform adjustments unless you are one of Midmark s authorized se
84. revent the tank cover from vibrating and making noise 2 Remove tank cover 1 Figure 4 16 from tank assembly 2 3 Using a wrench on bellows nut to hold bellows assembly 3 stationary loosen and disconnect compression nut 4 4 Remove bellows assembly 8 from tube 5 B Installation 1 Position bellows assembly 8 on tube 5 making sure flow arrow is pointing away from compression nut 4 2 Using a wrench on bellows nut to hold bellows assembly 3 stationary screw compression nut 4 onto bellows assembly Midmark 1994 SF 1418 Page 4 15 BELLOWS NUT MA2534 01 Figure 4 16 Bellows Assembly Removal Installation Printed in U S A SECTION IV MAINTENANCE SERVICE 4 16 Bellows Assembly Removal Instal lation Sybron Units Return To Table Of Contents NOTE Older units which do not have a Serial Number prefix of CP xxxx CR xxxx CS xxxx or RB xxxx were manufactured by Sybron Corp and not by Midmark However a retrofit kit for the bellows assembly is available If the unit has already been retrofitted with a Midmark style bellows perform para 4 15 A Removal 1 Remove cover assembly Refer to para 4 2 DANGER Make sure unit is vented and cool before attempting to make repairs Failure to do so could result in serious injury or burns 2 Remove tank cover 1 Figure 4 17 from tank assembly 2 3 Loose
85. rn To Table Of Contents Chamber Components Side SECTION VI PARTS LIST LAD eS 240903 Used Units with Serial Numbers 1000 CP1000 CR1000 DR1000 CS1000 CS1000 FM1000 and FN1000 thru Present Part No Description Qty Part No Description Qty 1 002 0516 00 Shell Includes Compression Fittings 1 12 97951 Relay Spacer 7 001 7 003 M7 004 2 96768 Small Hinge esses 1 005 eerie 1 3 045 0001 57 Washer eren 1 13 040 0006 44 rr 3 4 106330 Spring eee Peer 1 14 040 0008 47 Set SGI W 1 5 040 0250 69 SCIOW finda nid a 1 15 014 0183 01 Aiea Een 1 6 041 0250 15 PU 1 16 014 0392 00 Compression Nut 1 7 97076 Lockwasher 1 17 TUBING ohm emet Ref 8 97075 UE 1 18 014 0184 01 Fittihg icio ceto 1 9 H97966 Gasket tuens 1 19 TUBING Ref 10 97948 Diaphragm Cup 1 20 002 0243 00 Door Gasket 1 11 002 0263 00 Relay M7 001 7 003 M7 004 7 005 Shown 1 002 0265 00 Relay M7 002 amp M7 006 1 Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 9 PrintedinU S A Retur
86. rvice technicians Do not substitute parts of another manufacturer when replacing inoperative or damaged components Use only Midmark replacement parts Page ii Printed in U S A Return To Table Of Contents SECTION GENERAL INFORMATION SECTION I GENERAL INFORMATION 1 1 Scope of Manual This manual contains detailed troubleshooting sched uled maintenance maintenance and service instruc tions for the M7 SpeedClave Sterilizer This manual is intended to be used by Midmark s authorized service technicians 1 2 How to Use Manual A Manual Use When Performing Scheduled Mainte nance 1 Perform inspections and services listed in Scheduled Maintenance Chart Refer to para 3 1 2 If a component is discovered to be faulty or out of adjustment replace or adjust component in accordance with Maintenance Service Instruc tions Refer to para 4 1 B Manual Use When Sterilizer Is Malfunctioning And Cause Is Unknown 1 Perform an operational test on sterilizer Refer to para 2 1 2 Perform troubleshooting procedures listed in Troubleshooting Guide Refer to para 2 2 3 If a component is discovered to be faulty or out of adjustment replace or adjust component in accordance with Maintenance Service Instruc tions Refer to para 4 1 C Manual Use When Damaged Component Is Known 1 Replace or adjust component in accordance with Maintenance Service Instructions Refer to para 4 1 1 3 De
87. scription Of M7 Sterilizer A General Description See Figure 1 1 The M7 SpeedClave Sterilizer is a self generating steam sterilizer designed to sterilize instruments and other sterilizable goods The major components of the Midmark 1994 SF 1418 Rev 5 95 Page 1 1 sterilizer consist of a chamber condensing tank assem bly heating element temperature regulator relay diaphragm cup timer assembly timer buzzer manual reset overheat thermostat low water auto reset overheat thermostat low water auto reset overheat thermostat is only on newer units with CS or RB serial number prefixes pilot light fill vent valve bellows assembly pressure relief valve temperature gauge and reset button linkage assembly B Theory of Operation See Figures 5 1 thru 5 3 Electrical Operation Current flows thru the normally closed contacts of the overheat thermostat s also known as the low water thermostat to one side of the contacts on the timer switch When the timer assembly is not set to a time the timer switch contacts are not closed and no path to the heating element is completed When the operator sets the timer assembly to any time setting the timer switch contacts are closed allowing current to flow across the normally closed contacts of the temperature regulator relay and be applied to the heating element causing it to heat up Current is also applied across the pilot light causing it to illuminate thus indica
88. stat 1 16 H225619 Bracket nest 1 6 H225616 Bracket 1 17 053 0529 00 Reset Button 1 7 97971 eee teta ien etes 1 18 057 0372 00 ROG 1 8 045 0001 56 Lockwasher t 2 19 Front Panel Refer to Front Panel 9 H225913 1 Components Elsewhere Ref Always Specify Model amp Serial Number Midmark 1994 SF 1418 Page 6 10 1 Printed in U S A Chamber Comp Lower Return To Table Of Contents aes v gt oo C ws D onents SECTION VI PARTS LIST MA241002 Used on Units with Serial Numbers RB14565 CP1092 DR1015 CR1260 CS5297 FM1000 and FN1000 thru Present Item Part No 2 002 0245 00 015 0894 01 015 0894 02 H97949 H98137 H225639 030 0929 00 H97971 045 0001 56 H225913 Description Chamber Refer to Chamber Com ponents Side Elsewhere Heater M7 001 M7 004 M7 005 Includes Item and4 Heater M7 002 M7 006 Includes Items 3 Heater M7 003 Includes Items 3 uiid reete Gasket tc ios Thermostat Primary Bracket ia iuit uris Washet 55 2nese nihii Lockwasheer SPaCer Qty Item 10 Ref 11 e 1
89. t thermostat 8A or 8B from bracket 10 Printed in U S A SECTION IV MAINTENANCE SERVICE B Installation 1 Install manual reset overheat thermostat 8A or auto reset overheat thermostat 8B on bracket 10 CAUTION A Hold heating element firmly in position while tightening nuts Otherwise damage to heating element or improper positioning of heating element may result Also spacer must remain above gaskets If spacer is installed under gasket leaking will result Return To Table Of Contents shaft assembly 2 is unscrewed from tempera ture regulator relay 3 4 Tag and disconnect one wire 4 from the timer assembly 5 and one wire 6 from the heating element 7 NOTE Relay spacer is not used on older 220 VAC units 2 Position bracket 10 on chamber wall 11 and secure by tightening two nuts 9 making sure spacer inside of chamber is positioned under heating element properly Connect two wires 7A to terminals of manual reset overheat thermostat 8A or connect two wires 7B to terminals of auto reset overheat thermostat 8B Taking care not to kink rod 5 flex rod and insert it into rocker bracket 6 Install inspection cover 3 on base 4 and secure with two screws 2 6 Turn unit upright 7 Install wire rack and trays Refer to para 4 20 8 Tighten drain 1 9 Connect power cord to wall outlet 10 Fill condensing tank with distilled o
90. tedin U S A Return To Table Of Contents Base Components SECTION VI PARTS LIST MA241205 Used on Units with Serial Numbers RB17993 CR1686 DR1268 CP1150 CS7754 FM1426 and FN11230 thru Present Part No Description Qty Part No Description Qty 1 050 2383 00 Basos aea ae 1 13 061 0519 00 Wiring Diagram Label 2 98006 Inspection Cover 1 M7 001 M7 003 amp M7 004 1 3 050 1926 00 Vent Lever Bracket 1 061 0527 00 Wiring Diagram Label M7 002 1 4 98072 uS 3 061 0601 00 Wiring Diagram Label M7 005 1 5 98021 FOOL deed 4 061 0607 00 Wiring Diagram Label M7 006 1 6 041 0010 01 n 4 14 040 0010 74 SOTOW isse ipei reni edo 1 7 045 0001 08 Lockwasher 5 15 98160 Strain 1 8 352623 iom 11 16 98159 Cord M7 001 M7 003 M7 004 9 040 0010 125 J Screw 0000 0 2 M7 005 ERE 1 10 042 0010 07 dee ttes 5 015 0688 13 Cord 7 002 7 006 1 11 061 0052 00 ULL Pal m Ref 17 122357 Nut 2 4 12 Serial Number Tag Ref Always Specify Model amp Serial Number Midmark 1994 SF 1418 Rev 1 01 Page 6 8 3 Printedin U S A Retu
91. ting that the heating element is energized The diaphragm cup is pressure sensitive and expands outward as the pres sure in the chamber increases The normally closed temperature regulator relay is adjusted so the dia phragm cup will push open the contacts of the relay when the selected temperature pressure is reached during a sterilizing cycle de energizing the heating element When the temperature pressure lowers slightly the diaphragm cup contracts allowing the temperature regulator relay to close its contacts which causes current to be applied to the heating element and pilot light again The temperature in the chamber is regulated to within 1 to 2 of the selected tempera ture during the cycle by the continuous opening and closing of the temperature regulator relay contacts by the diaphragm cup The timer assembly contains a timer motor which runs the timer assembly When the timer is run down to a setting of 0 minutes the timer switch contacts move breaking the circuit to the heating element and pilot light A circuit to the timer buzzer is now completed causing it to sound The timer assembly timer motor continues to run for one minute Then the timer switch contacts are opened causing the timer buzzer to stop sounding Printed in U S A Return To Table Of Contents SECTION I GENERAL INFORMATION DIAPHRAGM CUP TEMPERATURE REGULATOR RELAY TIMER ASSEMBLY TKE LN
92. tting Multimeter Commercially Available Midmark 1994 SF 1418 Rev 5 99 Page 1 4 Used to check probes switches and connections for proper function by performing continuity checks Printed in U S A Return To Table Of Contents SECTIONII TESTINGANDTROUBLESHOOTING SECTION II TESTING ANDTROUBLESHOOTING 2 1 Operational Test In order to effectively diagnose the malfunction of the sterilizer itis necessary to perform an operational test as follows DANGER Refer to the operator manual for complete instructions on operating the sterilizer Failure to do so could result in severe personal injury 1 Place the sterilizer on a level surface 2 Plug the sterilizer into a properly grounded receptacle capable of supplying correct and adequate power to operate this sterilizer 3 Remove the fill cap from the condensing tank NOTE Overfilling will cause sterilizer to malfunction 4 Fill the condensing tank to the FULL mark indicator tab with distilled or demineralized water Replace filler cap b Swing the door handle to the unlatched position and then pull the door out of the chamber into the chamber Latch the door by swinging the door handle all the way to the latched position Set the TIMER knob to its maximum setting of 30 minutes Set the TEMPERATURE REGU LATOR knob to its maximum setting of 270 F 132 C by turning the knob counter clo
93. umber gives the technician the part number a description of the component and quantity of parts per subassembly Also if a part number is known the location of that component can be determined by looking for the item number of the component on the illustration The Part No column lists the MIDMARK part number for that component Midmark 1994 SF 1418 Page 6 1 The Description column provides a physical description of the component The Qty column lists the number of units of a particular component that is required for the subassembly The letters AR denote as required when quantities of a particular component cannot be determined such as adhesive Bullets in the Part No column and the Description column show the indenture level of a component If a component does not have a bullet it is a main compo nent of that illustration If a component has a bullet it is a subcomponent of the next component listed higher in the parts list than itself that does not have a bullet Likewise if a component has two bullets it is a subcom ponent of the next component listed higher in the parts list than itself that has only one bullet 6 3 Torque Specifications and Important Assembly Notes When specific assembly torque specifications mea surements or procedures have been identified by our engineering department as required to assure proper function of the unit those torque specifications mea surements and pr

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