TM 5-5420-234-14&P
5-2. DIRECT SUPPORT TROUBLESHOOTING (continued).
6.
MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE OR OPERATE
SLOWLY (continued).
FREE FLOW VALVE TEST
(1) Open hydraulic cabinet cover.
NOTE
Free flow tool can also be
used to activate push
button.
(2) Attempt to push in free flow
valve manual push button. If
button cannot be pushed in, the
free flow valve is faulty.
HYDRAULIC
CABINETCOVER
PUSH
FREEFLOW
BUTTON
VALVE
5-39