TM-9-2350-311-10

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

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 423 of 775

TM 9--2350--311--10

Change 6

3--23

3--5

HULL MAINTENANCE PROCEDURES — CONTINUED

3--5.5

Adjusting Track Tension

a. Checking Track Tension

1

Move vehicle forward and backward several times on level ground, stopping by shifting transmission

shift control lever to “N” (neutral) and coasting to a stop without applying the brakes.

2

Turn off engine.

3

Measure the distance between top of the third road wheel (1) and the track (2). The distance should be

1/4 inch (6.3 mm) to 3/8 inch (9.6 mm). If not, adjust track tension.