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TM 3-1040-279-12&P
TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check vehicle cable.
Step 4.
Disconnect cable assembly from 5J1 at smoke generator.
Set POWER switch to ON.
Hold ENGINE switch to START.
Check for 28v between sockets G (+) and N (-) of cable assembly.
If 28v is obtained, set switches to OFF, repair smoke generator wiring (P. 4-34) or
replace solenoid valve (P. 4-36).
If 28v is not obtained, vehicle cable assembly is defective. Refer to TM 9-2350-261-20-1
for equipment mounted on M1059 vehicles or TM 3-1040-280-20&P for equipment
mounted on M1037/M1097 vehicles.
13. ENGINE WILL NOT START.
NOTE
Two people are required to perform this task.
Check igniter and igniter cable.
Step 1.
Set circuit breaker CB1 and POWER switch to ON.
Ensure FUEL switch is in OFF position.
Purge air from air compressor assembly.
Remove engine head assembly (Para 3-8) and insert clear engine head blank (item 2,
Section III. Basic Issue Items, App. C).
WARNING
Failure to insert engine head blank may cause fire flashback and injury
to personnel.
CAUTION
Do not hold ENGINE switch in START position for longer than 15
seconds.
Hold ENGINE switch in START position, and observe spark from igniter in combustion
chamber.
If spark is present set all switches to OFF, reinstall head assembly and continue
troubleshooting for adequate fuel/air.
If no spark is present, set all switches to OFF and disconnect ignition cable from igniter. Set
POWER switch to ON. Place or hold end of ignition cable inch from frame assembly. Hold
ENGINE switch to START.
If spark is present, set all switches to OFF, replace igniter and repeat troubleshooting.
If no spark is present, set all switches and circuit breaker CB1 to OFF, replace the ignition
coil (P. 4-67) and continue troubleshooting.
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Change 4

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