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Routine Jack Maintenance Bulletin

 

TO PROVIDE COMPLETE INFORMATION ON SERVICING 

ColumbusJACK/REGENT QUALITY GROUND HANDLING EQUIPMENT 

 
 

 

 
 

BULLETIN RJM 170 

– SUGGESTED PREVENTATIVE MAINTENANCE FOR JACKS 

The following Preventative Maintenance Schedule is provided as a guide to insure that hydraulic aircraft jacks are always 
ready for operation. The time intervals listed are a general recommendation only. The actual interval used should include 
factors for the climatic conditions in which the equipment is stored and the frequency of equipment use. 
 
Prior to Operation 

1.  Inspect for damaged or missing components. 
2.  Inspect for oil leakage and proper fluid level. 
3.  Inspect screw extension for mechanical stop. 
4.  Inspect all snap rings for engagement into grooves. 
5.  Inspect jack adapter for damage. 
 
Every 6 Months 

1.  Inspect for worn snap ring grooves. 
2.  Change hydraulic filters if applicable. 
3.  If jack has not been used regularly, cycle jack without load. 
4.  Grease all lube fittings with a general purpose grease. 
5.  Wipe down ram(s) and screw extension with hydraulic oil. 
 
Every 12 Months 

1.  Calibrate pressure gauge if applicable per RJM 173. 
1.  Perform "Recommended Annual Jack Certification Procedure" per RJM 147. 
 
 
 

 

Содержание Columbus Jack 2295-10PR

Страница 1: ...MANUAL ColumbusJACK Regent Phone 614 443 7492 1 Air Cargo Pkwy East Web www columbusjack com Swanton OH 43558 Email sales columbusjack com Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 ...

Страница 2: ...REVISION DATE TEXT AFFECTED 01 01 2019 Original release ...

Страница 3: ...REMENTS 2 4 2 TRAINING PROGRAM 2 4 3 OPERATOR TRAINING 2 5 0 OPERATION 3 5 1 PRE OPERATION PROCEDURE 3 5 2 LIFTING PROCEDURE 3 5 3 LOWERING PROCEDURE 3 5 4 RELIEF VALVE SETTING 3 6 0 TROUBLE SHOOTING 4 7 0 MAINTENANCE 5 7 1 SPECIAL MAINTENANCE INSTRUCTIONS 5 7 1 1 Verify or Recharge Nitrogen Pressure in Accumulator 5 7 2 BLEED CHARGE PROCEDURE FOR HYDRAULIC FLUID IN ACCUMULATOR 5 7 3 SHOP AIDS AVA...

Страница 4: ...bar Accumulator Charge Nitrogen Only 225 psi 15 5 bar Reservoir Capacity 4 25 gal 16 l Air Requirements Pressure 80 psi 5 5 bar minimum Flow 40 Scfm minimum 2 0 SAFETY INFORMATION 2 1 USAGE AND SAFETY INFORMATION To insure safe operations please read the following statements and understand their meaning Also refer to your equipment manufacturer s manual for other important safety information This ...

Страница 5: ...essurize reservoir with air maximum 25 30 psi and slowly close release valve 9 While pressurizing reservoir operate air pump until rams in cylinder begin to extend 10 Stop pressurizing reservoir and verify that the air pump continues to raise cylinder rams 11 Remove air nozzle from reservoir check fluid level and replace filler plug 12 Using hand pump cycle cylinder rams several times 13 Replace r...

Страница 6: ... of the excessive friction in the ram stages 5 3 LOWERING PROCEDURE 1 Slowly open release valve to lower rams NOTE Speed of lowering is controlled by how far release valve is open Opening release valve too quickly will cause the restrictor valve to actuate resulting in the cylinder rams lowering very slowly To reset the restrictor valve close the release valve and operate the hand pump 1 2 strokes...

Страница 7: ... the obstruction Rams will not fully elevate when manual pump is operated Low fluid level Fill to correct fluid level Leaking pump discharge valve or leaking pump suction valve Remove pump rocker and link details unscrew pump body Remove and replace defective valve assembly test and adjust by pass valve Rams will not support load after manual pump up Internal pressure leakage at ram static or dyna...

Страница 8: ...ten hose fitting at the top of the cylinder 9 Loosen the hose fitting of the Hydraulic Gauge Kit on test port tee at bottom of accumulator 10 Using hand pump on jack slowly pump hydraulic fluid until all entrapped air is removed 11 Tighten hose fitting on test port tee 12 Using hand pump on jack pressurize system to 425 psi 29 3 bar maximum 13 Close accumulator flow control valve located under fra...

Страница 9: ...clusive remedy shall the be the refund of the purchase price and c Seller shall not be liable for prospective profits or special indirect or consequential damages nor shall any recovery of any kind against Seller be greater in amount than the purchase price of the specific material sold and causing the alleged loss damage or injury Buyer assumes all risk and liability for loss damage or injury to ...

Страница 10: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 1 Hydraulic Schematic ...

Страница 11: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 1 This page left blank intentionally ...

Страница 12: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 2 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 13: ...onal 1 4 9649 38 Springed Wheel 1 5 9138 K Rain Hat 1 6 915 143U Double Pump Handle 1 7 915 176 Nameplate 1 8 915 HD Restriction Valve 1 9 450A6984 Drive Screw 4 10 915 HE Velocity Fuse Opt Replaces Item 8 1 11 450A6031 Female Elbow 1 12 915 712 Operation Placard 1 13 915 713 Release Valve Sticker 1 14 915 714 Air Control Valve Sticker 1 15 915 715 Warning Sticker 1 16 9649 50 Charge Sticker 1 17 ...

Страница 14: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 4 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 15: ...st Stage 1 3 9385 3 Ram Second Stage 1 4 9377 4 Screw Extension 1 5 9377 5 Cap Cylinder 1 6 9377 6 Retaining Nut 1 7 9136 56 Pad 1 8 1946 17 Spring 1 9 915 439 Plug 1 10 9317 8 Cup Adapter 1 11 916 487 Stop Pin 1 12 916 44 5 437 Backup Ring 1 13 916 44 6 937 Backup Ring 1 14 450A5676 Quad Ring 1 15 450A5760 Quad Ring 1 16 450A5588 O Ring 1 17 611 43243 O Ring 1 18 611 44044 O Ring 1 19 488 00006 P...

Страница 16: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 6 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 17: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 7 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 18: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 8 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 19: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 9 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 20: ... Arm 2 18 915 127 10 Backup Ring 1 19 915 127 13 Backup Ring 1 20 915 138C Piston Pump 1 21 915 179 Pump Body 1 22 915 244 Pump Body 1 23 611 11211 O Ring 1 24 611 11511 O Ring 1 25 611 21521 O Ring 1 26 450A5939 Swivel Caster 2 27 9649 44 Pull Lever 1 28 450A5662 Safety Valve 1 29 450A3221 Needle Valve 1 30 316 12040 T Pan Head Screw 3 31 915 700 Filler Plug Dip Stick 1 32 450A7302 Filter 1 33 33...

Страница 21: ...n 6 64 450A5946 Accumulator 1 65 450A7112 Clamp 1 66 372 14050 Hex Head Cap Screw 2 67 9649 8 Cover Plate 1 68 483 20832 Pipe Nipple 1 69 450A5944 Flow Control Valve 1 70 9649 57 Pin Cylinder 1 71 9649 18 Spacer Towbar 1 72 450A5947 Hose Assembly 1 73 456 10808 A Male Elbow 1 74 9649 24 Spring Cylinder 1 75 484 20808 Pipe Coupling 1 76 485 40808 Male Run Tee 1 77 468 10606 A Swivel Nut Branch Tee ...

Страница 22: ...Model 2295 10PR 9694 010 95 Ton 86 Metric Ton Alligator Axle Jack 01 2019 Rev 01 Page 12 Parts List When ordering replacement parts kits please specify model serial number and color of your unit ...

Страница 23: ...embly consists of 1 450A5950 Air Pump 1 2 450A5500 Muffler 1 3 485 51608 Pipe Thread Reducer 1 4 485 00808 Street Elbow 1 5 456 10808 A Male Elbow 1 6 457 10808 A Male Connector 1 7 466 10808 A Swivel Nut Elbow 1 8 372 16100 Hex Head Cap Screw 2 9 345 11024 Flat Washer 2 10 346 10024 Lockwasher 2 11 483 10808 Pipe Nipple 1 12 484 00808 Female Pipe Elbow 1 13 450A5752 Female Connector 2 14 466 1060...

Страница 24: ...or of your unit Item Part Number Description Qty 9649 38 Springed Wheel Assembly consists of 1 9649 36 Wheel Support 1 2 9649 37 Wheel Holder 1 3 450A5936 Wheel 1 4 9649 26 Spring 1 5 372 24300 Hex Head Cap Screw 1 6 346 10040 Lockwasher 1 7 335 52400 Hex Jam Nut 1 8 372 20400 Hex Head Cap Screw 1 9 372 20080 Hex Head Cap Screw 2 10 346 10032 Lockwasher 3 11 333 52000 Hex Nut 1 ...

Страница 25: ...rts List When ordering replacement parts kits please specify model serial number and color of your unit Item Part Number Description Qty 9694 J Gauge Assembly consists of 1 9649 9 Screen Cover 1 2 9694 K Gauge 1 3 450A5513 Snubber 1 4 485 00808 Street Elbow 1 5 462 10808 A Female Connector 1 ...

Страница 26: ......

Страница 27: ...APPENDIX I Routine Jack Maintenance Bulletins ...

Страница 28: ......

Страница 29: ...sene Due to most company safety or union regulations which restrict employees from working out of doors below 30ºF 34ºC there is a lack of experience beyond this point It is permissible however to increase the percentage of kerosene up to 100 As the ambient temperature increases MIL PRF 5606 should be added back to the system in the appropriate mixture The air supply should be clean and dry At 30º...

Страница 30: ...w extension is not properly extended the aircraft may not be able to be raised to the desired height A periodic check should be made to the screw extension to ensure that the stop is operating properly to prevent over extension To do this rotate the screw extension counterclockwise until it stops rotating DO NOT FORCE THE SCREW EXTENSION BEYOND THIS POINT If the screw extension does not stop rotat...

Страница 31: ... external hydraulic leakage WARNING DO NOT APPLY PRESSURE AGAINST INTERNAL RAM STOP S 2 Open release valve and verify ram s retract fully 3 Position jack under jack tester NOTE For tripod jacks all leg extensions should be installed on the jack 4 Close release valve and extend ram s until cup adapter contacts jack tester Make sure that the ram of a single stage jack is partially extended and that ...

Страница 32: ...ng and backup ring during installation 3 Check to ensure backup ring is clean and not damaged 4 Set backup ring on a flat metal surface 5 Using a propane torch heat backup ring in a circular motion until backup ring is equally softened and pliable or flexible 6 Carefully pick up the HOT Teflon backup ring off the HOT metal plate and stretch the ring enough to fit over the end of the ram piston NOT...

Страница 33: ...is stored and the frequency of equipment use Prior to Operation 1 Inspect for damaged or missing components 2 Inspect for oil leakage and proper fluid level 3 Inspect screw extension for mechanical stop 4 Inspect all snap rings for engagement into grooves 5 Inspect jack adapter for damage Every 6 Months 1 Inspect for worn snap ring grooves 2 Change hydraulic filters if applicable 3 If jack has not...

Страница 34: ...t products though any oil compatible with Buna N seals may be used Proper oil level should be 5 to 1 inch below the fill port when all rams are collapsed Exxon Mobil Aero HF MIL PRF 5606 Exxon Mobil DTE 11 15 NATO Code No H 538 MIL PRF 87257 Phillips 66 X C 5606 Royco 783 Anderol MIL PRF 6083 Royco 782 Anderol MIL PRF 83282 Shell Tellus 10 15 Shell Aerofluid 31 MIL PRF 83282 Shell Aerofluid 41 MIL...

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