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 213 of 343

TM 9-2350-358-BD

10-14. DRIVE SPROCKET BOLTS SHEARED OFF - CONTINUED

2.

Remove drive sprocket and hub assembly from final drive assembly.

3.

Remove loose damaged bolts and nuts.

Clear holes of inside and outside sprockets and hub of remains of

sheared bolts.

NOTE

Bolts and nuts are available from transmission / battery doors or front slope plate.

4.

Properly align and use replacement bolts or weld sprockets to hubs.

5.

Mount repaired hub and sprocket back onto final drive assembly.

6.

Reconnect track and adjust tension.

7.

Record the BDAR action taken.

When mission is complete, as soon as practical, repair the equipment/system

using standard maintenance procedures.

Option 2:

Limitations:

•

Mobility will be reduced.

•

Steering and braking capabilities on damaged side will be lost.

Personnel/Time Required:

•

3 soldiers

•

4.0 hours

References:

TM 9-2350-314-20-1-2

10-15