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 936 of 1275

TM 9-2350-311-20-1

10-8 TRACK TENSION

This task covers:

a. Checking

b. Adjusting

General mechanic’s tool kit (item 64, A

PPX

H)

GAA grease (item 27, Appx D)

Lubricating gun (item 24, Appx H)

a. Checking

1

2

3

4

5

6

To exercise tracks, drive vehicle forward and reverse several times.

Coast to a stop without using brakes.

Place transmission in neutral (N) position.

Shut off engine.

Measure distance from bottom of track (1) to top of third road wheel (2). Distance should be 0.25 in. (6.4 mm).

Adjust track tension if required.

10-19