Operation & Service Manual Model: 01-1233
Contents
1. Caster Skid Plate Wheel Assembly HEAD Area of Head Bolts amp Lanyards Weldment Shear Pin Mechanism Area of Head Aircraft Attach Point Check Weld between eye and tube Are there cracks SNAP BAK AND UNIVERSAL TOWBARS Area of Towbar Towbar Function Head 11 2003 Rev 03 Bolts attaching shock to towbar Loose missing stripped etc 3 Eyebolt Is it bent worn down or deformed 1 Tube Is it bent dented bowed and or have cracks 2 Weld at head end Are there any cracks in the welds 3 Head hole Is it elongated Is the ball lok pin attached to the towbar 1 Casters Are they missing or bent 2 Handles Are they broken bent or missing 3 Bolts Are they missing or loose 1 Wheels Are they flat Is the rim bent 2 Awxle Is it bent Check 1 they loose missing or stripped Are they attached to the head 1 Welds holding side rails to head rail Are there any cracks 2 Shear Plates Are there cracks in welds Are the plates bent 1 Shear Pin Is it bent or deformed Are there spares 2 Bushings Are they cracked chipped secure 3 Pivot Bolt Are the nuts tight Are there washers present Check 1 Sliding Pin s Are they bent cracked Do they slide freely 2 Locking Pin Are they loose Do they hold the sliding pins securely 3 Wear sleeves Are the welds cracked 4 Roll Pins s Are they rusted Are they missing Are they loose 5 Ball L2. moving various aircraft To ensure safe operation please read the following statements and understand their meaning This manual contains safety precautions which are explained as follows Please read carefully WARNING Warning is used to indicate the presence of a hazard that can cause severe personal injury death and or substantial property damage if the Warning Notice is ignored CAUTION Caution is used to indicate the presence of a hazard which will or can cause minor personal injury or property damage is the Caution Notice is ignored WARNING A damaged or bent towbar should not be used Towbar should be repaired or replaced 3 0 OPERATION 3 1 PRELIMINARY CHECKLIST 3 1 1 Towbar Check weld between lunette and tube for cracks Check lunette for bending excessive wear and deformity Check weld between tube and spring retainer for cracks 3 1 2 Towing Head Check welds between side rails and head rail for cracks Check welds between head rail and spring retainer housing for cracks Check welds between side rails and stationary pin Also sliding pin wear sleeve for cracks Check fastener connection of towing head to towbar Ensure the connection is not loose or missing Check sliding pin ball lok T pin Ensure ball lok T pin is securely attached to the side rail via its lanyard Ensure ball lok T pin is not missing Check sliding pin for bending or excessive wear Ensure sliding pin slides free
3. 0 IN SERVICE SUPPORT eR 2 7 0 GUARANTEES LIMITATION OF LIABILITY U U U uu uuu uu uuu u u u 2 03 2007 Rev 02 TRON IR Model 01 1233 0010 Universal Snap Bak Towbar Tronair towbars heads must only be used with matching Tronair heads towbars and Tronair shear pins This product can not be modified without the written approval of Tronair Inc Any modifications done without written approval voids all warranties and releases Tronair Inc it suppliers distributors employees or financial institutions from any liability from consequences that may occur Only Tronair OEM replacement parts shall be used 1 0 DESCRIPTION The Tronair Model 01 1233 0010 Snap Bak Towbar is a lightweight portable towbar for various aircraft The snap bak towbar includes a spring in the towing head attachment to the towbar which provides a dampening of radial forces about the aircraft nose landing gear during towing operation The aircraft attachment is by machined pins on the towing head to the nose landing gear axle There is a handle and an eyebolt at the end of the towbar for towing 1 1 SPECIFICATIONS Aircraft Application various aircraft Maximum Aircraft Gross Weight 7 500 lbs 3 4 Metric ton Length 92 625 235 27 cm from eyebolt centerline to aircraft attachment centerline Weight 35 Ibs 15 9 kg Finish Blue Powder Coat 2 0 SAFETY INFORMATION 2 1 GENERAL The Tronair Model 01 1233 0010 Snap Bak Towbar is used for
4. Arm 1 14 R 1392 Pin Towing Small 1 15 G 1300 09060 Pin Roll 3 32 diameter x 3 4 long 1 16 G 1313 08 Hairpin Cotter 1 17 R 1391 Pin Towing Large 1 03 2007 Rev 02 Page 3 TRONAIR Model 01 1233 0010 Universal Snap Bak Towbar Parts List When ordering replacement parts kits please specify model serial number and color of your unit Item Part Number Description Qty K 2295 Kit Piper Pin Replacement consists of 2 G 1431 01 Clevis Pin 15 G 1300 09060 Pin Roll 3 32 diameter x 3 4 long K 2673 Kit Towing Pin Replacement consists of 1 G 1392 50 S Ring External Retaining 14 R 1392 Pin Towing Small K 3147 Kit Pivot Bolt Replacement consists of 6 G 1155 106222 Screw Hex Socket Head Shoulder 5 16 18 3 8 diameter x 2 1 4 long 1 9 G 1250 1060N Flatwasher 5 16 Narrow 1 10 G 1202 1060 Stopnut 5 16 18 Elastic 1 18 TR 1672 01 Sleeve 1 K 2104 Kit Head Assembly Replacement consists of 1 G 1392 50 S Ring External Retaining 2 2 G 1431 01 Pin Clevis 2 3 Z 2414 01 Weldment Head 1 4 G 1250 1070N Flatwasher 3 8 Narrow 1 5 Z 2418 Assembly Handle 1 6 G 1155 106222 Screw Hex Socket Head Shoulder 5 16 18 3 8 diameter x 2 1 4 long 1 9 G 1250 1060N Flatwasher 5 16 Narrow 1 10 G 1202 1060 Stopnut 5 16 18 Elastic 1 11 J 1713 Plate Locking 1 12 G 1203 1070 Jamnut 3 8 Elastic 1 13 Z 2413 01 Weldm
5. TRONAIR Operation amp Service Manual Model 01 1233 0010 Universal Snap Bak Towbar C 03 2007 Rev 02 When ordering Replacement Parts Kits please specify Model Color and Serial Number of your Unit 1740 Eber Rd Tronair Inc Phone 419 866 6301 Holland OH 43528 9794 www tronair com 800 426 6301 USA Email sales tronair com Fax 419 867 0634 REVISION DATE TEXT AFFECTED 03 11 25 03 2 1 General added Warning 04 03 2007 Major Revision h 01 TRON IR Sas SE s Towbar TABLE OF CONTENTS PAGE 1 0 I a IS inde 1 1 1 SPECIFICATIONS 3 tits ao n ee a de Sq a b e ro ui esd Q Rasha 1 2 0 SAFETY INFORMATION S R ap aan M 1 24 GENERAL hana aa a Aaa ds 1 3 0 idee EE 1 3 1 PRELIMINARY CHECKLIST 2 22 22 ee data dee gt ae tod ates 1 3 1 1 Nem EE 1 3 1 2 Towing 1 4 0 TRAININ c P 2 4 1 TRAINING REQUIREMENTS aN ea Hr na 2 4 2 TRAINING PROGRAM t n at b re esce eig eet te ai sie iin 2 4 3 ORERATOR TRAINING ua saham n ega eet eerte t a teh Aad ann 2 5 0 PROVISION OF SPARES 2 5 1 SPARE PARTS EE 2 5 2 PARTS E a da an 2 6
6. complied with by the machinery EN ISO 12100 1 Identification of person empowered to sign on behalf of the manufacturer Quality Assurance Representative 1740 Eber Rd Tronair Inc Phone 419 866 6301 Holland OH 43528 9794 www tronair com 800 426 6301 USA Email sales tronair com Fax 419 867 0634 TRON Maintenance Schedule Snapbak Towbars Models 01 1109 0000 01 1109 0010 01 1112 0000 01 1112 0010 01 1142 0000 01 1170 0000 01 1170 0010 01 1179 0000 01 1179 0010 01 1233 0000 01 1233 0010 01 1233 0011 01 1273 0000 01 1273 0010 01 1283 0000 01 1298 0000 TOWING EYE EN SNAPBAK SPRING INTERNAL PIVOT ASSEMBLY TOWBAR TUBE SPRING RETAINER TOWBAR HEAD TOWING PINS Tronair recommends towbar inspections at least once a week Check towing eye for bending excessive wear and deformity If any are located remove towbar from service and contact Tronair for repair U Inspect the towbar tube for cracks gouges greater than 1 32 and bends or deformities If any are located remove towbar from service and contact Tronair or your Tronair distributor for replacement Check the snapbak pivot assembly Ensure the pivot assembly is not loose or missing Tighten or replace as re quired Check the snapbak spring by holding the towing head section in a vise and from the towing eye end rotate the towbar tube side to side approximately 15 in each direction The snapbak spring should re cen
7. ds the use of a towbar with a category 1 or category 2 tug and aircraft not exceeding 75 000 Ibs gross weight Using the towbar with aircraft weighing in excess of this specific limitation may result in excessive loads and stresses being applied to the towbar and or the aircraft These excessive loads may cause failure of the towbar which could cause damage INCLUDING WITHOUT LIMITATION to the aircraft and or personal injury OR DEATH TRONAIR MAKES NO REPRESENTATION WARRANTY OR GUARANTEE AS TO SUCH MISUSE AND DISCLAIMS ANY AND ALL LIABILITY FOR INJURY LOSS OR DAMAGE ARISING FROM OR RELATING TO SUCH MISUSE 11 2003 Rev 03 Page 1 TRON IR INS 1582 Towbar Usage Instructions EYE TOW HANDLES TOWBAR LOCKING HANDLE PIVOT POINT If Applicable TYPICAL SNAP BAK TOWBAR SLIDING ARM SLIDING PIN PIPER TOW PIN FIGURE 2 NOTE Typical towbar Your towbar and or head may not have all of the features shown SHOCK ASSEMBLY CASTER SKID PLATE TOWBAR WELDMENT WHEEL ASSEMBLY SHEAR PIN MECHAN SM TYPICAL TRONAIR TOWBAR BOLT amp LANYARDS HEAD WELDMENT FIGURE 1 NOTE Typical towbar Your towbar and or head may not have all of the features shown 11 2003 Rev 03 Page 2 TRONAIR INS 1582 Towbar Usage Instructions BEFORE USING TOWBAR COMPLETE THE FOLLOWING CHECKLISTS Reference Figures 1 amp 2on Page 2 TOWBAR Area of Towbar Shock Assembly Towbar Weldment
8. ed by Tronair will immediately void any warranty express or implied The obligations of Tronair expressly stated herein are in lieu of all other warranties or conditions expressed or implied Any unauthorized modification of the Tronair products or use of the Tronair products in violations of cautions and warnings in any manual including updates or safety bulletins published or delivered by Tronair will immediately void any warranty express or implied and Tronair disclaims any and all liability for injury WITHOUT LIMITATION and including DEATH loss or damage arising from or relating to such misuse 03 2007 Rev 02 Page 2 TRONAIR Parts List Model 01 1233 0010 Universal Snap Bak Towbar When ordering replacement parts kits please specify model serial number and color of your unit Item Part Number Description Qty 5 Z 2418 Assembly Handle 1 7 H 1231 Spring 1 8 Y 1002 01 Assembly Towbar 1 14 R 1392 Pin Towing Small 2 16 G 1313 08 Hairpin Cotter 2 17 R 1391 Pin Towing Large 2 K 2102 Kit Handle Assembly Replacement consists of 4 G 1250 1070N Flatwasher 3 8 Narrow 1 5 Z 2418 Assembly Handle 1 11 J 1713 Plate Locking 1 12 G 1203 1070 Jamnut 3 8 Elastic 1 K 2103 Kit Sliding Arm Replacement consists of 1 G 1392 50 S Ring External Retaining 1 2 G 1431 01 Pin Clevis 1 4 diameter x 1 25 long 1 13 Z 2413 01 Weldment Sliding
9. ent Sliding Arm 1 14 R 1392 Pin Towing Small 2 15 G 1300 09060 Pin Roll 3 32 diameter x 3 4 long 2 16 G 1313 08 Hairpin Cotter 2 17 R 1391 Pin Towing Large 2 18 TR 1672 01 Sleeve 1 03 2007 Rev 02 Page 4 TRONAIR APPENDIX I Towbar Usage Instructions TRONAIR INS 1582 Towbar Usage Instructions 11 2003 Rev 03 1740 Eber Rd Tronair Inc Phone 419 866 6301 Holland OH 43528 9794 www tronair com 800 426 6301 USA Email sales tronair com Fax 419 867 0634 REVISION DATE TEXT AFFECTED 03 11 25 03 pg 1 Warning added 11 2003 Rev 03 Page 3 IR INS 1582 Towbar Usage Instructions Your Tronair towbar is engineered and built to the highest standards of quality and workmanship Under normal usage and with minimal maintenance this towbar will provide exceptional service A WARNING A damaged or bent towbar should not be used but should be repaired or replaced Using a damaged or bent towbar can result in aircraft or equipment damage and possible personal injury T WARNING Towbars With Hydraulic Lifting Mechanism The hydraulic lift mechanism on those towbars so equipped should only be used to raise the towbar to facilitate connection to the aircraft or tug Release any hydraulic pressure when towing aircraft or moving towbar WARNING Towbars Should be Used with Category 1 Tugs Tronair recommen
10. eyebolt will make contact with the pintle pin A gap between the eyebolt outside diameter and the coupler face plate should be easily seen An eyebolt which is too large will cause the eyebolt to make contact with the face plate of the coupler When the eyebolt is too large for the coupler a gap between the inside diameter of the eyebolt and the coupler face plate will be seen See Figure 8 To ensure proper towing and pushing check to make sure that the pintle pin diameter is not too large for the eyebolt s inside diameter Approximately a one half inch 1 2 gap between the pin diameter and the eyebolt should be seen If any of these conditions are not met please contact Tronair for information to obtain a new coupler Towing Angle Damage to the towbar or aircraft can result from pushing an aircraft while maintaining too sharp of an angle between the tug and the towbar Contact between the towbar weldment and tug must be avoided It is recommended that the angle between the tug and towbar not exceed 90 See Figure 9 11 2003 Rev 03 FIGURE 8 AVOID CONTACT FIGURE 9 INCORRECT Page 5 TRONAIR APPENDIX Il Declaration of Conformity TRONAIR DECLARATION of CONFORMITY The design development and manufacture is in accordance with European Community guidelines Portable Snap Bak Towbar 01 1233 0010 Relevant provisions complied with by the machinery 2006 42 EC Relevant standards
11. g towing Reference Figure 5 WEAR FAILURE POINT e INDENTAT ONS 7 FIGURE 6 FIGURE 5 CORRECT Type Of Coupler Damage to the towbar or aircraft can result while towing with the following type of couplers Lift Head Vertical Side Swing Latch Standard Duty Latch Swivel Hook These types of couplers are known to cause binding and failure in the eyebolt Indicators of eyebolt binding are wear on the outside diameter of the eye and indentations on the inside diameter The failure will begin at the head of the eye See Figure 6 11 2003 Rev 03 Page 4 TRONAIR USAGE PROCEDURE continued INS 1582 Towbar Usage Instructions Type Of Coupler Damage to the towbar or aircraft can result while towing with the following type of couplers Lift Head Vertical Side Swing Latch Standard Duty Latch Swivel Hook These types of couplers are known to cause binding and failure in the eyebolt Indicators of eyebolt binding are wear on the outside diameter of the eye and indentations on the inside diameter The failure will begin at the head of the eye See Figure 6 Figure 7 illustrates a pintle hook arrangement that is known to eliminate eyebolt binding Tronair recommends using this type of hook on your tug FIGURE 7 CORRECT Eyebolt and Pintle Pin Size Damage to the towbar or aircraft can result by towing or pushing an aircraft with an incorrect size eyebolt or pintle pin A correct size
12. ly Check sliding pin roll pin Ensure roll pin is not loose or missing Check snap bak spring Ensure the spring is not loose or taken a set Ensure the spring operates correctly 03 2007 Rev 02 Page 1 h 01 TRON IR Unitorsal Ghap Bek Towbar 4 0 TRAINING 4 1 TRAINING REQUIREMENTS The employer of the operator is responsible for providing a training program sufficient for the safe operation of the towbar 4 2 TRAINING PROGRAM The employer provided operator training program should cover safety procedures concerning use of the towbar in and around the various aircraft at the servicing location 4 3 OPERATOR TRAINING The operator training should provide the required training for safe operation of the towbar NOTE Maintenance and Trouble Shooting are to be performed by the skilled and trained technician 5 0 PROVISION OF SPARES 5 1 SPARE PARTS Spare parts may be obtained from the manufacturer TRONAIR Inc Telephone 419 866 6301 or 800 426 6301 1740 Eber Road Fax 419 867 0634 Holland Ohio 43528 9794 USA E mail sales tronair com Website www tronair com 5 2 PARTS LIST Reference the following pages for ordering information of Replacement Parts 6 0 IN SERVICE SUPPORT Contact Tronair for technical services and information 7 0 GUARANTEES LIMITATION OF LIABILITY Tronair products are warranted to be free of manufacturing or material defects for a period of one year after shipment to the original cust
13. ok Pin Is it attached to head Is it rusted Is it bent 6 Axle Adapter Is it bent Is the slot deformed Are bolts tight Check 1 Spring Has it taken a set Loose in the assembly 2 Eyebolt Is it bent worn down or deformed 3 Tube Is it bent dented bowed or cracked Is it rusted badly 4 Welds Are there any cracks in the welds 5 Head Hole Is it elongated Is the bolt attached correctly Does it snap back Pivot Bolt Is it present along with washers Is the nut tight Is it rusted Roll Pin s Are they rusted Are they missing Are they loose Weldment Is it deformed bent or rusted beyond reasonable use Lanyard Is it attached to weldment Sliding Pin s Are they bent cracked or rusted Does it slide Page 3 TRON IR INS 1582 Towbar Usage Instructions USAGE PROCEDURE Aircraft Attachment It is recommended that your towbar be attached to the aircraft first and then connected to the tug to avoid possible aircraft damage Ensure sliding pins are locked in place before towing aircraft Tug Attachment Damage to the towbar or aircraft can result from an excessive towbar angle during towing operations Reference to Figure 3 If aircraft with both high and low tow points are encountered consider using two pintle hooks as shown in Figures 4 amp 5 so that the towbar is as level as possible during towing Also pintle hook height should prevent contact of towbar wheels with the ground durin
14. omer This is solely limited to the repair or replacement of defective components This warranty does not cover the following items a Parts required for normal maintenance b Parts covered by a component manufacturers warranty c Replacement parts have a 90 day warranty from date of shipment If you have a problem that may require service contact Tronair immediately Do not attempt to repair or disassemble a product without first contacting Tronair any action may affect warranty coverage When you contact Tronair be prepared to provide the following information a Product Model Number b Product Serial Number c Description of the problem If warranty coverage is approved either replacement parts will be sent or the product will have to be returned to Tronair for repairs If the product is to be returned a Return Material Authorization RMA number will be issued for reference purposes on any shipping documents Failure to obtain a RMA in advance of returning an item will result in a service fee A decision on the extent of warranty coverage on returned products is reserved pending inspection at Tronair Any shipments to Tronair must be shipped freight prepaid Freight costs on shipments to customers will be paid by Tronair on any warranty claims only Any unauthorized modification of the Tronair products or use of the Tronair products in violation of cautions and warnings in any manual including updates or safety bulletins published or deliver
15. ter the towbar tube If it does not disassemble the snapbak pivot assembly and check that the snapbak spring is positioned within the spring retainer If it is not reposition the snapbak spring and retest If the spring is in position contact Tronair or your Tronair distributor for snapbak spring replacement QO Inspect all welds on the towbar head and towbar tube for cracks If any weld cracks are located remove towbar from service and contact Tronair for repair Check towing pins for bending cracks and excessive wear If any are located remove towbar from service contact Tronair or your Tronair distributor for replacement Check towbar head members for bending and cracks If any are located remove towbar from service and contact Tronair or your Tronair distributor for replacement Inspect all steel components for signs of rust Touch up with paint as required INS 1787 www tronair com Tronair Email sales tronair com Phone 419 866 6301 or 800 426 6301 Fax 419 867 0634 Asia Sales Offices China Email tronairchina tronair com Phone 86 592 5560735 Fax 86 592 5563132 Asia Australia Email tronairasia tronair com Phone 66 2665 6511 Fax 66 2204 1858 Europe Middle East amp Africa Sales Office Email saleseurope tronair com Phone 44 0 113 245 3300 Fax 44 0 113 322 0436
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