TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
aa5.
M1089 LH OR RH 30K WINCH CABLE DRUM TENSIONER DOES NOT OPERATE (CONT)
CAUTION
Keep tachometer within 1,250-1,450 rpm when Power Take-Off 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 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.
(d)
Position MODE SELECTOR SWITCH to NORMAL.
(e)
Position STATION SELECTOR switch to WRECKER CONTROL PANEL.
(f)
Position MAIN WINCH LH/RH FREESPOOL switch to ON.
(g)
Pull cable to see if LH/RH 30K winch drum freespools.
If MAIN WINCH LH/RH FREESPOOL switch does not operate, perform Electrical System
Troubleshooting task e137. Main Winch LH or RH Freespool Switch Does Not Operate From
Wrecker Control Panel.
If MAIN WINCH LH/RH FREESPOOL switch does operate, notify Unit Maintenance.
(h)
Position MAIN WINCH LH/RH FREESPOOL switch to OFF.
(i)
Set engine speed to idle (750 rpm) by decreasing HAND THROTTLE lever to full down position.
(j)
Position Power Take-Off switch to off.
(k)
Shut down engine (para 2-37f).
ONE WRECKER FUNCTION DOES NOT OPERATE FROM WRECKER REMOTE CONTROL.
Notify Unit Maintenance.
ab. FRAME TROUBLESHOOTING
TIRES CONTINUE TO WEAR AFTER FRONT END ALIGNMENT AND/OR VEHICLE DRIVES
SIDEWAYS DOWN ROAD.
Notify Unit Maintenance.
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