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 904 of 1275

TM 9-2350-311-20-1

9-12 TRANSMISSION INTERNAL BRAKE

This task covers

Adjustment

Brake adjustment wrench (item 69, Appx H)

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

Gage (item 21, Appx H)

Brake adjustment wrench (item 70, Appx H)

Adjustment

NOTE

If brake linkage is not installed, brakes may be adjusted using same procedures as

outlined, except that special wrenches for brake adjustment may be used to apply

brakes. Brakes should be applied to approximately 90 Ib-ft (122 N·m).

Check brake linkage adjustment.

Apply brakes fully and watch index marks (1) on brake levers (2). If index marks rotate to APPLY mark (3) on

bearing retainer (4) but not to READJUST mark (5), brakes are properly adjusted. If index marks do not rotate

to APPLY mark or rotate past READJUST mark, brakes must be adjusted.

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

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