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 116 of 744

c.

Repeat Step (3) for opposite side of fifth wheel (5).

NOTE

Fifth wheel has two lock release handles.

4. Pull out fifth wheel secondary lock release handle (7) completely.

5. Pull out fifth wheel primary lock release handle (8). Hook in out position.

6. Push down rear of fifth wheel (5) until it rests on stop (9) below guide ramps (10).

7. Set transmission range selector (11) to N (neutral).

JACOBS

CAUTION

ENGINE BRAKE

14

13

11

12

Figure 3.

NOTE

Dashboard parking brake indicator will illuminate when PARKING BRAKE control is applied.

8. Pull out PARKING BRAKE control (12).

9. Set PTO ENGAGE switch (13) to OFF position, indicator light (14) will go out.

CAUTION

Do not move hydraulic selector valve control while PTO ENGAGE switch is set to ON

position. Failure to comply may result in damage to hydraulic equipment.

10. Push in hydraulic selector valve control (15) for M870A3 semitrailer coupling operations.

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

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