TM 9-2350-277-10
TROUBLESHOOTING TABLE
INITIAL SETUP:
Maintenance Level
Operator
ENGINE
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ENGINE DOES NOT
Turn MASTER SWITCH to ON.
1.
Check to see if MASTER SWITCH is OFF.
CRANK WHEN YOU
PRESS START SWITCH.
2.
Check to see if transmission controller is in
Place transmission controller in
SL position.
3.
Check to see if batteries are in good
Troubleshoot electrical system
condition.
(0089 00-11).
2.
ENGINE CRANKS BUT
1.
Check to see if fuel cutoff control is pulled
Push fuel cutoff control in
DOES NOT START.
out.
2.
Check to see if there is enough fuel in fuel
Refuel carrier; all except M577A3
tanks.
M577A3 and M1068A3
3.
Check to see if fuel tank manual shutoff
Open fuel tank manual shutoff
valves are closed.
Use air box heater, or glow plug
4.
If air temperature is colder than +40 F (+4
C), check to see if AIR BOX HEATER
switch is ON, or GLOW PLUG switch is
operated.
5.
Check to see if there is water in the fuel.
Drain primary and secondary fuel
6.
Check to see if engine is getting enough air.
Clear intake grille of any debris.
7.
Check air cleaner restriction indicator
If indicator shows only red in the
window, notify unit maintenance.
If engine still does not start, notify
unit maintenance.
3.
ENGINE CRANKS BUT
1.
Check to see if there are any loose
Tighten any loose connections.
DOES NOT START WHEN
connections.
Notify unit mechanic.
THE TEMPERATURE IS
BELOW +40 F (+4 C) AND
THE AIR BOX HEATER IS
USED.
4.
ENGINE CRANKS TOO
1.
Check to see if battery cable connections are
Use outside power source
SLOW TO START.
clean and tight, and battery water is up to
cause of slow cranking is not
obvious, have unit maintenance
troubleshoot the electrical system.
Change 4