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 905 of 1275

TM 9-2350-311 -20-1

9-12 TRANSMISSION INTERNAL BRAKE —

CONTINUED

Adjustment — Continued

4

5

6

7

Insert screwdriver into adjustment nuts (9) and turn to adjust brakes. Clockwise rotation will tighten brakes;

counterclockwise will loosen brakes.

Adjust both brakes uniformly so that both index marks (1) aline with APPLY mark (3) on bearing retainer (4)

when brakes are applied.

Install 2 transmission covers (8), 12 screws (6), and 12 washers (7).

Clear area of personnel and equipment. Perform PMCS on brakes (para 2-15). If brakes do not hold vehicle,

readjust brakes.

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