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 108 of 219

TM 9-2350-274-BD

POWERTRAIN/STEERING

7-6. STEERING LINKAGE FAILURE

General Information:

No reaction to movement of steering wheel, because of broken linkage. The travel lock

must be moved to gain access to the transmission. Travel lock is heavy (110 lbs.). The

M109A2 travel lock is not counter balanced. Caution should be exercised by crew

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member stationed outside vehicle not to get feet or clothing tangled in universal joints.

Limitation:

●

Hazardous to crew member stationed outside vehicle

Personnel/Time Required:

●

2

soldiers

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20 minutes

Other Options

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Repair damaged linkage by welding or riveting.

Procedural Steps:

1. Gain access to engine compartment thru transmission access covers. On the

M109A2/A3, it will be necessary to unlock the howitzer travel lock and lay it forward

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until access doors are opened.

Relock before moving vehicle.

2.

Locate damaged steering control linkages (item 1).

Change 3

7-5