TM-9-2350-311-20-1
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS
AUGUST 1994
TM-9-2350-311-20-1 - Page 105 of 1275
ITEM
SYMPTOM
PRIMARY
ALTERNATE
EXHAUST FUMES PRESENT IN
CREW COMPARTMENT
ENGINE HAS LOW OR NO OIL
PRESSURE
ENGINE OVERHEATS
TRANSMISSION
HAND THROITLE CONTROL DOES
AND DRIVING
NOT MAINTAIN CONSTANT SPEED
CONTROLS
ENGINE DOES NOT CHANGE RPM
WHEN ACCELERATED
VEHICLE CREEPS FORWARD IN
NEUTRAL
TRANSMISSION OVERHEATS;
TRANSMISSION OIL TEMP GAGE
READS OVER 270°F (132°C), MASTER
WARNING LIGHT IS LIT
VEHICLE DRIVES, BUT NOT IN
SELECTED RANGE; SHIFT LEVER
IS IN THIRD GEAR, TRANSMISSION
IS IN FIRST GEAR
VEHICLE DOES NOT DRIVE;
TRANSMISSION DOES NOT
OPERATE IN ANY SHIFT POSITION
SHIFT CONTROL DOES NOT MOVE
TO SELECTED RANGE
VEHICLE DOES NOT STEER IN
EITHER DIRECTION IN ANY RANGE
VEHICLE STEERS WELL IN ONE
DIRECTION ONLY
TRACKS AND
VEHICLE BRAKES POORLY; VEHICLE
SUSPENSION
DOES NOT STOP CORRECTLY WHEN
BRAKE IS APPLIED
Para 3-3e(6)
Para l-5, G 5
Para 3-3e(8)
Check for loose
mounting bolts on hand
throttle control rod
and accelerator shaft
(para 9-15 and 9-16)
Adjust accelerator pedal
and hand throttle
control rod (para 9-15
and 9-16)
Adjust transmission
shift control linkage
(para 9-9)
Para 3-3f(1)
Adjust transmission
shift control linkage
(para 9-9)
Para 3-3f(2)
Adjust transmission
shift control linkage
(para 9-9)
Para 3-3f(3)
Para 3-3f(4)
Para 3-3g(1)
None
Para 3-3e (7)
None
None
None
None
None
None
None
None
None
None
None
3-5
TM 9-2350-311-20-1
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