TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
16. MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE (continued).
TEST OPTIONS
4.
KNOWN INFO
Emergency Stop Switch
Cab controls OK.
Does the engine high
Test.
idle operate with the
remote control?
POSSIBLE PROBLEMS
REASON FOR QUESTION
EMERGENCY STOP
The remote control LHS/
switch faulty.
winch circuit, as well as the
Remote linking harness
engine high idle circuit,
faulty.
receive power from the
Remote control faulty.
emergency stop switch. If
Remote control cable
the high idle (as well as the
faulty.
LHS/winch) does not
operate from the remote
control, the EMERGENCY
STOP switch is faulty.
Repair remote
control unit (para
NO
YES
4-356
