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Model: 02A7874C0110
20 Ton Two Stage Jack
10/2012 | Rev. 02
Page | 5
7.0
OPERATION
(continued)
7.4
OPERATING INSTRUCTIONS
The user should be familiar with the following statements prior to using the jack(s):
CAUTION!
1. Never put hands between the aircraft and the jack pad; as after aircraft has been lowered, struts may
have hung up.
2. Never align jack under aircraft by pounding on jack legs. Dented legs may lead to jack collapse.
3. Always lower ram locking nut(s) after jack is under load. Be sure ram nut(s) is seated fully after
jacking.
4. Always raise and lower jacks simultaneously so that aircraft remains level.
5. Always use a tail or nose stand, as applicable, for additional stability.
7.4.1
Rules For Operating
1. The user shall work in accordance with the Operator and/or Technical Manuals.
2. It is not allowed to work under the raised load until it is secured by suitable means, i.e. Ram Locknut.
3. The employer of the operator shall provide for all necessary training and give information about pumping and translating
forces.
4. Operate between -20
C and 50
C/-4
F and 122
F.
5. Hydraulic pump operates with 90
– 100 psi (6.21 – 6.89 bar) air pressure
7.4.2
Caster Operation Instructions
There are two working positions on the lever casters: Locked (Figure 1) and released (Figure 2). The pump handle easily
toggles the linkage to each position.
Figure 1
Figure 2
1. The locked position allows the jack to be transported or rolled from one location to another
Warning!
DO NOT jack the aircraft with casters in the locked position.
2. The released position allows the jack to be maneuvered below the aircraft to final jacking position
3. Follow normal jacking procedures to raise aircraft
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 19: ...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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Page 73: ...APPENDIX VI Maintenance Schedule...
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