TM-9-2320-272-24-4

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 4 OF 4

JUNE 1998

TM-9-2320-272-24-4 - Page 108 of 836

TM 9-2320-272-24-4

5-17. GOVERNOR WEIGHT MAINTENANCE

THIS TASK COVERS:

a. Removal

c. Installation

b. Inspection

INITIAL SETUP:

APPLICABLE MODELS

REFERENCES (TM)

M939/A1

TM 9-2320-272-24P

TOOLS

EQUIPMENT CONDITION

General mechanic’s tool kit (Appendix E, Item 1)

Throttle cover and shaft disassembled (para. 5-16).

a. Removal

1.

Remove governor weight (6) and gear (2) from front drive cover (1).

2.

Remove weight-assist plunger (5), spring (3), and shims (4) from governor weight (6).

b. Inspection

1.

Inspect spring (3) for bent or broken coils. If bent or broken, replace spring (3).

2.

Inspect governor weight gear (2) for cracked, broken, or pitted teeth. If cracked, broken, or pitted,

replace governor weight (6).

c. Installation

1.

Install shims (4), spring (3), and weight-assist plunger (5) in governor weight (6).

NOTE

Large end of weight-assist plunger is installed first.

2.

Install governor weight gear (2) and governor weight (6) on front drive cover (1).

5-102