TM-9-2320-285-10
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; OPERATOR’S MANUAL
JUNE 1985
TM-9-2320-285-10 - Page 80 of 121
TM 9-2320-285-10
3-4.
TROUBLESHOOTING TABLE (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
ENGINE CRANKS BUT WILL NOT START (Continued)
Step 4.
Check for incorrect or contaminated fuel in fuel tank.
(If contaminated, fuel will have a milky-white
coloring.
During cold weather operation, the temperature at which wax crystals begin to form in diesel
fuel should be 10 degrees F below the lowest expected outside temperature.)
a.
If fuel is incorrect or contaminated, notify organizational maintenance (fuel tank draining and fuel
system cleaning is required).
b.
If fuel is okay, go to step 5.
Step 5.
Check if ether switch is used when temperature is less than 40 degrees F.
WARNING
Do not use ether switch without cranking engine.
Over-charge of ether can cause explosion of engine air
intake system.
a.
If ether switch was not used, use ether switch while cranking engine (refer to chapter 2,
paragraph 2-la(3)).
b.
If ether switch is used, go to step 6.
Step 6.
If temperature is less than 20 degrees F, check if winterization system cable is connected when tractor
is parked outside.
(If temperature is more than 20 degrees F, or if tractor is parked in a heated shelter,
notify organizational maintenance.)
3-7
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