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 51 of 219
CHAPTER 3
ENGIN E
BDAR FIXES SHALL BE USED ONLY IN COMBAT
AT THE DISCRETION OF THE COMMANDER
AND SHALL BE REPAIRED BY STANDARD MAINTENANCE PROCEDURES
AS SOON AS PRACTICABLE AFTER THE MISSION IS COMPLETED.
SECTION I. General
3-1. Purpose.
a. The M 109 Self-Propelled Howitzer/M 110 series Self-Propelled Howitzer/M578 Recovery Vehicle is
powered by a V-8, liquid cooled, two cycle, turbosupercharged, diesel engine, 8V71T. Engine damage can
be detected by several different method.
❚
(1) Abnormal oil pressure, temperature readings or warning lights,
(2) Abnormal noises,
(3) Abnormal amounts or coloration of exhaust smoke,
(4) Sudden loss of power or excessive fuel consumption.
b. This chapter gives various expedient fixes which can restore the howitzers mobility in the event of an
engine system failure.
3-2. Assessment Procedure.
Damage found to:
.
mechanical components . . . . . . . . .
. go to para 3-15
.
cooling system . . . . . . . . . . . . . . . . . . go to Chapter 5
- fuel system . . . . . . . . . . . . . . . . . . . . go to para 3-11
- lubrication system . . . . . . . . . . . . . . . go to para 3-8
.
air
intake . . . . .
. . . . . . . . . . . . .
. . . . . . . go to para 3-5
.
exhaust system .
. . . . . . . .
. . . . .
. . . . . . .
. .
. . .go to para 3-6
Will not start:
- check fuel system
. . . . .
. . .
. . . . . . . . .
. .go to para 3-11
.
check air intake .
. . . . . . . . . .
. . . . . . go to para 3-5
.
check exhaust system . . . , . . . . . . . . . go to para 3-6
.
check starting system . . . . . . . . . . . . . go to Chapter 6
Change 1
3-1
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