TM-9-2320-430-10

TRUCK, TRACTOR, 8X8, M983

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009

TM-9-2320-430-10 - Page 658 of 868

Table 1.

PMCS - BEFORE - Continued

Item

No.

Interval

Item to

be

Checked

or

Serviced

Procedure

Equipment

Not Ready/

Available If:

transmission to upshift to at

least 2 (2nd gear range).

d. Set JACOBS ® ENGINE

BRAKE ON/OFF switch to

ON position, JACOBS ®

ENGINE BRAKE indicator

light will come on.

e. Release throttle pedal and

listen for engine "popping" or

"chattering" sounds that

indicate engine retarder/

brake is engaged and

operating.

NOTE

Engine must be running to

perform this check.

20

Before

Steering

1. Check vehicle steering for proper

operation:

a. Turn steering wheel from full

left to full right, back to full

left.

Steering in-

operable or

binds.

NOTE

Engine must be running to

perform this check.

21

Before

PTO

Switch

Set PTO ENGAGE switch to ON

position. Indicator light will illuminate.

PTO EN-

GAGE

switch and/

or indicator

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