TB 9-2320-279-13&P-4
0024
4. If PTO ENGAGE indicator does not illuminate, set PTO ENGAGE switch to OFF position. (WP 0015)
5. If PTO ENGAGE indicator does not illuminate, shut OFF engine (refer to TM 9-2320-279-10).
CONDITION/INDICATION
Does PTO engage when selected?
DECISION
No - Troubleshoot: PTO Does Not Engage for M983A2 (refer to TM 9-2320-315-14&P).
Yes - Test 2 - Does high idle operate when selected at heavy-duty winch control station?
TEST 2 - Does high idle operate when selected at heavy-duty winch control station?
1. Set heavy-duty winch control station HIGH IDLE ON/OFF switch to ON position. (WP 0015)
HEAVY-DUTY
WINCH CONTROL
STATION
HIGH IDLE
ON/OFF SWITCH
Figure 2.
NOTE
Engine high idle speed is 1,500 RPM.
2. Observe engine operation. Inspect tachometer for increase in engine speed.
3. Set heavy-duty winch control station HIGH IDLE ON/OFF switch to OFF position. (WP 0015)
CONDITION/INDICATION
Does high idle operate when selected at heavy-duty winch control station?
