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LEFT AND/OR RIGHT HOIST CYLINDERS DO NOT EXTEND OR RETRACT - continued |
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 TM 10-3930-673-20-1
5. LEFT AND/OR RIGHT HOIST CYLINDERS DO NOT EXTEND OR RETRACT (CONT).
6
KNOWN INFO
TEST OPTIONS
Hydraulic oil OK.
Pressure Test.
Does hydraulic joystick
Hoist cylinder hydraulic hoses OK.
STE/ICE-R #51.
Hoist cylinder hose connections/
control valve operate
REASON FOR QUESTION
tubes OK.
properly?
If hydraulic joystick control valve
Main control valve OK.
does not operate properly,
control valve is faulty.
POSSIBLE PROBLEMS
Hydraulic joystick control valve
faulty.
Left and/or right hoist cylinders
faulty.
Replace faulty
NO
hydraulic control
valve (Para 18-11).
YES
2-810
Change 1
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