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 70 of 219
TM 9-2350-274-BD
ENGINE
Procedural Steps:
1. Gain access to engine compartment through transmission access covers. On the M109 it will be
necessary to unlock the howitzer travel lock until access doors are opened. Relock the travel lock before
moving the vehicle. Access to engine compartment on M110/M578 is done by removing deck covers.
WARNING
Engine and components can be very hot.
2. (M 109) Locate the damaged section of the engine throttle governor control rod (3), disconnect the
quick release point (2) from level (1). (M578) Disconnect governor throttle control rod (5) by removing
cotter pin (6) and straight pin (7). Remove damaged section.
3. Disconnect fuel shut-off cable (8) and reconnect at throttle control (9).
4. Record the BDAR action taken, When the mission is completed, as soon as practicable, repair vehicle
3-18
Change 1
using standard maintenance procedures.
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