TM-9-2350-274-BD

M109/M110/M578 VEHICLES HOWITZER, MEDIUM, SELF-PROPELLED FULL-TRACKED

TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1984

TM-9-2350-274-BD - Page 111 of 219

TM 9-2350-274-BD

CHAPTER 8

BRAKE S

BOAR FIXES SHALL BE USED ONLY IN COMBAT

AT THE DISCRETION OF THE COMMANDER

AND SHALL BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES

AS SOON AS PRACTICABLE AFTER THE MISSION IS COMPLETED.

SECTION I. General

8-1. General.

The brakes are internal to the crossdrive transmission. Brakes are applied through

mechanical linkage from the drivers compartment. The linkage allows a balanced

application at the transmission levers by using a chain and sprocket assembly. Parking

brakes are operated by locking the service brake linkage in the applied position.

8-2.

Assessment Procedure

a. Assessment Preconditions Before testing the vehicle brakes, clear the immediate

■

area or, if in a restricted area, restrain the vehicle to be tested with chains or cables.

The brakes can be tested using either the test vehicle power or it can be towed by the

restraining vehicle up a slight grade for the test.

-pedal and linkage . . . . . . . . . . . . . . . go to para 8-5 and 8-6

- no stopping power

. . . . . . . . . . . . .

go to para 8-6

- pulling or other erratic . . . . . . . . go to para 8-5 and 8-6

action

- to parking brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . .go to para 8-4

Change 3

8-1