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 200 of 343
TM 9-2350-358-BD
10-2.
ASSESSMENT PROCEDURE - CONTINUED
Table 10-2.
Wheels and Tracks Operation Assessment
ATTEMPT OPERATION
INOPERATIVE:
See Repair Procedure Index.
......................................
para 10-3
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.
10-3.
REPAIR PROCEDURE INDEX
PARA.
Roadwheel arm, damaged .
...........................................................................................................................
10-5
Roadwheel arm hub, damaged .
....................................................................................................................
10-6
Roadwheel, damaged or missing.
.................................................................................................................
10-8
Torsion bar, broken .
......................................................................................................................................
10-9
Track adjuster, damaged .
.............................................................................................................................
10-11
Idler wheels, damaged .
.................................................................................................................................
10-12
Drive sprocket bolts sheared off. .
..................................................................................................................
10-14
Track wedge, missing .
..................................................................................................................................
10-16
Center guide(s), broken.
................................................................................................................................
10-17
Track shoe(s), damaged .
..............................................................................................................................
10-18
Track damaged, short tracking.
.....................................................................................................................
10-19
SECTION II.
ROADWHEEL ARM ASSEMBLY
10-4.
GENERAL
The M109A6 howitzer can have two roadwheel positions disabled on each side of the vehicle and still be combat capable.
The two positions, however, cannot be adjacent to one another.
The first and last roadwheel positions, will accept
intermediate position component.
Exchange parts from intermediate positions, if required, to keep the first and last
positions operative.
Roadwheel arms can be obtained from other positions to provide support and separate the two
adjacent positions.
This will give the vehicle additional balance when operating on rough terrain.
Disabled roadwheel
arms should be secured or removed to prevent interference with the track.
10-2
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