TB-9-2320-279-13-P-4

TRUCK, TRACTOR, LIGHT EQUIPMENT TRANSPORTER (LET), 8X8, M983A2 LET

TECHNICAL BULLETIN; OPERATOR AND FIELD LEVEL

APRIL 2008

TB-9-2320-279-13-P-4 - Page 194 of 744

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)

HIGH IDLE

ON

/

OFF SWITCH

HEAV

Y

-DUT

Y

WINCH CONTROL

STATION

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?

TB 9-2320-279-13&P-4

0024

0024-2