Model: 02A7874C0110
20 Ton Two Stage Jack
10/2012 | Rev. 02
Page | 1
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
PRODUCT INFORMATION
Name of Equipment:
20 Ton TWO STAGE JACK
Model Number
: 02A7874C0110 See Nameplate for Serial Number.
Manufactured by:
TRONAIR, INC. South 1740 Eber Rd., Holland, OH 43528-9794 USA
1.1
USAGE
The device is intended to lift an aircraft by its fuselage and/or main wing with other hydraulic jacks arranged by position and
quantity to provide proper balance, and in conjunction with the correct jack pad, whose maximum load on any one jack does
not exceed the rated capacity of the jack.
The jacks are not intended for metal forming, metal working, or any purpose other than that stated above.
1.2
LIST OF DRAWINGS
Reference Parts List and Illustrations.
2.0
SAFETY INFORMATION
2.1
ALARM AND WARNING SYSTEMS
None
2.2
WARNING AND DANGER SIGNS
See labels on unit.
WARNING!
The ram locknuts are user operated safety devices. Failure to utilize these locknuts may result in personal
injury or death.
2.3
COMPONENT SAFETY FEATURES
Ram Locknut
prevents lowering of the ram. The Ram Locknut must be lowered as the aircraft is being lifted.
Locknut Retention Ring
prevents locknut from being unscrewed from the 2
nd
stage.
Hold to Run Air Valve
requires the operator to hold the air valve lever to raise the ram using the air pump. Releasing the
air valve lever stops upward movement of the ram.
CE Hand Pump With Check Valve
prevents unintentional decent of aircraft if relief valve fails.
2.4
FUNCTIONAL SAFETY FEATURES:
Pressure Relief Valve
prevents overload during raising operations.
2.5
FEATURES FOR OPERATOR SAFETY:
Hold to Run Air Valve
Air Shut Off Valve
Cautions And Instruction Labels Located on Jack
Ram Locknut
Locknut Retaining Ring on 2
nd
Stage
2.6
ENVIRONMENTAL SAFETY FEATURES:
Jack is non-polluting. See Appendix V Material Safety Data Sheet for the recommended hydraulic fluid (MIL-PRF-5606).
2.7
NECESSARY PERSONAL PROTECTIVE EQUIPMENT
CAUTION!
Always wear safety glasses.
Summary of Contents for 02A7874C0110
Page 2: ...REVISION DATE TEXT AFFECTED 01 10 2010 Original Release 02 10 2012 Modified Parts List...
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Page 17: ...APPENDIX I Hydraulic Schematic...
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Page 21: ...APPENDIX II Haskel Air Pump Manufacturer Data...
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Page 49: ...APPENDIX III HC 1961 Hand Pump Parts List...
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Page 55: ...APPENDIX IV Declaration of Conformity...
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Page 59: ...APPENDIX I Safety Data Sheet MIL PRF 5606 Hydraulic Fluid...
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