TM-9-2350-358-BD
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE
MARCH 1994
TM-9-2350-358-BD - Page 194 of 343
TM 9-2350-358-BD
9-2.
ASSESSMENT PROCEDURE - CONTINUED
Table 9-2.
Brakes Operation Assessment
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.
ATTEMPT OPERATION
INOPERATIVE:
Parking brakes, locked.
...............................................
para 9-5
Service braked, locked.
...............................................
para 9-6
Brake malfunctions .
....................................................
para 9-7
Determine if:
No problem found
Damage can be repaired
Damage cannot be repaired
- Note repair requirements
- Note extent of damage repair
requirements
Go to Table 2-3 Evaluation of
Performance Capability
Operation observation is complete.
Return
to Table 2-2 to continue operation assessment.
9-3.
REPAIR PROCEDURE INDEX
PARA
Brakes, Parking, Locked .
................................................................................................................................
9-5
Brakes, Service, Locked.
.................................................................................................................................
9-6
Brake Malfunctions.
.........................................................................................................................................
9-7
SECTION II.
BRAKES
9-4.
GENERAL
The brakes are internal to the crossdrive transmission.
Brakes are applied through mechanical linkage from the driver’s
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.
9-5.
BRAKES, PARKING, LOCKED
General Information:
Parking brake handle will not release causing the brakes to remain applied.
Disconnecting the linkage will release the
brakes.
Limitations:
No parking brakes.
9-2
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