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Page Title:
LEFT AND/OR RIGHT HOIST CYLINDERS DO NOT EXTEND OR RETRACT |
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 TM 10-3930-673-20-1
2
5. LEFT AND/OR RIGHT HOIST CYLINDERS DO NOT EXTEND OR RETRACT.
INITIAL SETUP
Personnel Required
Tools and Special Tools
Two
Tool Kit, General Mechanics: Automotive
(Item 18, Appendix F)
References
STE/ICE-R (Item 17, Appendix F)
TM 10-3930-673-10
Equipment Condition
TM 9-4910-571-12&P
Engine running (TM 10-3930-673-10)
Parking brake on (TM 10-3930-673-10)
Wheels chocked (TM 10-3930-673-10)
START
WARNING
1
KNOWN INFO
TEST OPTIONS
Read WARNING on
None.
Visual inspection.
following page.
STE/ICE-R #51.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is hydraulic oil tank filled to
Low hydraulic oil level.
Hoist cylinder hydraulic hoses
This question eliminates possible
proper level?
faulty.
problems and determines where
Hoist cylinder hose connections/
troubleshooting continues.
tubes faulty.
Tandem gear pump faulty.
Main control valve faulty.
Hydraulic joystick control valve
faulty.
Left and/or right hoist cylinders
faulty.
Fill hydraulic oil
NO
tank to proper level
(Para 18-2).
YES
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