TM-9-2320-273-34

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 176 of 801

TM9-2320-273-34

Do not use any lubricant on pulley or

crankshaft mating surfaces. Wipe with

clean, dry cloth.

b. Installation.

(1) Mount vibration damper and pulley (1) on crankshaft (4) and aline holes for capscrews (2).

Tap pulley with a rawhide mallet until it is fully seated.

(2) Coat shanks of capscrews (2) with clean lubricating oil; then install six washers (3) and

capscrews (2). Tighten to 85 Ib-ft (115 N.m) torque.

(3) Install fan. (Refer to TM 9-2320-273-20.)

(4) Install alternator belts. (Refer to TM 9-2320-273-20.)

6-5. Engine Retarder Throttle Switch Adjustment.

Repair of the engine retarder, including adjustment of

the slave piston is provided in TM 9-2815-222-34&P. Checkout (inspection) of the system is covered in

TM 9-2320-273-20. This paragraph describes adjustment of the circuit throttle switch linkage. The adjust-

ment is necessary if it is possible to activate the engine retarder when either the hand throttle or the

accelerator pedal are engaged.

a. Adjustment.

(1)

Make sure that hand throttle and the accelerator pedal are not engaged.

(2) Loosen locknut (1, fig. 6-4) and turn out adjustment screw (2) until it closes switch (3),

An audible click can be heard when the switch closes.

Figure

6-4.

Adjust Engine Retarder Throttle Switch Linkage.

6-6

CAUTIO N