TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
e. ELECTRICAL SYSTEM (CONT)
e135a.
M1089 LH OR RH 30K WINCH DOES NOT PAY-IN (CONT).
(d)
If LH or RH 30K winch still does not pay-in, notify Unit Maintenance.
MAIN WINCH LH OR RH
SPEED SWITCH DOES NOT OPERATE.
Step 1. Check to see if circuit breaker (CB50) in Power Distribution Panel (PDP) is tripped.
(a)
(b)
Check to see if circuit breaker (CB50) is tripped.
If circuit breaker (CB50) is tripped, push in to reset.
If circuit breaker (CB50) is not tripped, go to step 2 of this fault.
(c)
(d)
Position wrecker control panel MAIN WINCH RH SPEED switch to HIGH.
(e)
Position wrecker control panel MAIN WINCH LH SPEED switch to HIGH.
(f)
Check to see if circuit breaker (CB50) is tripped.
If circuit breaker (CB50) is tripped, go to step 2 of this 1fault.
(g)
Attempt to operate faulty 30K winch at high speed (para 2-42).
(h)
Check to see if circuit breaker (CB50) is tripped.
If circuit breaker (CB50) is tripped, perform e138. ONE WRECKER FUNCTION DOES NOT
OPERATE FROM WRECKER REMOTE CONTROL.
(i)
Step 2. Does LH and RH 30K winches operate from wrecker control panel?
(a)
Start engine (para 2-27a or b).
(b)
Position Power Take-Off (PTO) switch to on.
CAUTION
Keep tachometer within 1,250-1,450 rpm when PTO is engaged. Do not exceed 1,450 rpm.
Failure to comply may result in damage to equipment.
NOTE
In the event of a tachometer failure a HAND THROTTLE lever is positioned to L is
approximately 1,250-1,450 rpm.
(c)
Set engine speed by increasing HAND THROTTLE lever until tachometer reads 1,250-1,450
rpm.
Change 1