TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 906 of 1275

TM 9-2350-311-20-1

9-13 TRANSMISSION THROTTLE VALVE

This task covers:

Adjustment

General mechanic’s tool kit (item 64, Appx H)

Adjustment

1

2

3

4

5

6

NOTE

Perform after engine throttle governor control rod adjustment.

Remove quick-release pin (1) (hidden) and remove transmission throttle valve control rod (2) from lever on

throttle control lever bracket assembly (3).

Fully depress accelerator pedal and hold in depressed position. (Lever on throttle control lever bracket will

move towards driver's compartment bulkhead.)

Move transmission throttle valve lever against stop (toward driver’s compartment bulkhead).

Loosen nut (4) on transmission throttle valve control rod and turn rod end (5) 1/2 turn at a time, until pin (1 ) will

freely enter rod end and lever. Insert pin and release accelerator pedal.

Shorten transmission throttle valve control rod (2) to put spring (6) under compression by rotating rod end (5)

clockwise 2 turns. This ensures full travel of transmission throttle lever. Tighten nut (4).

To adjust linkage properly, install transmission throttle valve control rod (2) to lever on throttle control lever

bracket assembly (3). Linkage is adjusted properly.

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