TM 5-5420-234-14&P
5-2. DIRECT SUPPORT TROUBLESHOOTING (continued).
7.
BAP WINCH DOES NOT OPERATE.
INITIAL SETUP
Tools and Special Tools
Equipment Condition
Pan, Drain, 4-gallon (MIL-P-45819)
Engine turned off (TM 9-2320-279-10)
Tool Kit, General Mechanic's: Automotive
Parking brake applied (TM 9-2320-279-10)
(SC 5180-90-N26)
Wheels chocked (TM 9-2320-279-10)
BAP loaded on CBT (para 2-9)
START
1.
TEST OPTIONS
KNOWN INFO
Does the BAP winch
Visual inspection.
Unit troubleshooting
operate when the
completed.
REASON FOR QUESTION
hydraulic control
Other LHS functions OK.
solenoid is manually
During normal operation,
POSSIBLE PROBLEMS
bypassed?
the directional control
valve spool is actuated by
Directional control valve
an electric solenoid. If
faulty.
the solenoid is faulty, the
BAP valve block faulty.
control valve will not
BAP winch motor faulty.
operate.
BAP winch faulty.
Go to Step 2.
NO
Replace directional
YES
control valve (para
