TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
16. MAIN FRAME, HOOK ARM, AND WINCH DO NOT OPERATE.
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Multimeter (ANURM105C)
BAP loaded on the CBT Transporter
Tool Kit, General Mechanic's: Automotive
Engine turned off (TM 9-2320-279-10)
(SC 5180-90-N26)
Parking brake applied (TM 9-2320-279-10)
Wheels chocked (TM 9-2320-279-10)
Personnel Required
Two
START
1.
KNOWN INFO
TEST OPTIONS
None.
Do the LHS/winch
Visual inspection.
functions operate
REASON FOR QUESTION
from either the cab
POSSIBLE PROBLEMS
controls or the
To determine if the fault
remote control?
CB15 faulty.
is located in the remote
Quick-disconnect
control circuit, cab
couplings not installed
circuit, or the part of the
properly.
circuit that is common to
Hydraulic lines, hoses, or
both.
fittings faulty.
Relay K9 faulty.
Cab control box faulty.
Linking harness faulty.
Main junction box wiring
NO
Go to Step 8.
faulty.
CBT ground circuit faulty.
Free flow valve solenoid
harness faulty.
Free flow valve solenoid
YES
faulty.
Function switch faulty.
EMERGENCY STOP
switch faulty.
Remote linking harness
faulty.
Remote control faulty.
Remote control cable
faulty.
