1.
Does either PUMP button or
back-up hydraulic pump
operate?
KNOWN INFO
Hydraulic hoses free from
leaks.
POSSIBLE PROBLEMS
TEST OPTIONS
Visual Inspection
This question eliminates
possible problems and
determines where
troubleshooting continues.
Faulty air/hydraulic manifold
filter(s).
Faulty hydraulic hose 515.
Faulty air/hydraulic power unit.
Faulty air hose 507.
Faulty secondary air tank
inversion valve.
Faulty air hose 502.
Faulty hydraulic hose 514.
Faulty back-up hydraulic pump.
Faulty hydraulic hose 521.
Faulty hydraulic hose 520.
Faulty air/hydraulic manifold.
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
Pan, Drain (Item 24, Appendix C)
Goggles, Industrial (Item 15, Appendix C)
Transducer, 10,000 PSI (Item 1, Appendix J)
Gloves, Rubber (Item 13, Appendix C)
References
TM 9-4910-571-12&P
INITIAL SETUP
Equipment Condition
Engine shut down (TM 9-2320-365-10).
Personnel Required
(2)
Material/Parts
Filter Assembly (2) (Item 12, Appendix G)
Rag, Wiping (Item 51, Appendix D)
TM 9-2320-365-20-2
2-1960 Change 1
t1. CAB TILT, SPARE TIRE RETAINER, AND SUSPENSION COMPRESSION DO NOT OPERATE
REASON FOR QUESTION
START
YES
NO
Go to step 10 of this fault.