TM 5-3825-213-20
Probable cause
Possible remedy
Probable cause
Possible remedy
Spark plugs pitted or
Clean and adjust or replace
Oil filter leaking --------------- Replace or repair oil filters
burned
spark plugs (par. 94).
Fuel pump defective -------- Replace fuel pump (par.
Defective piston rings
Report to field mainte-
or valves
nance, 3d echelon.
Governor defective ---------- Replace governor (par. 183).
30. Plow and Carrier Engine Has Low or
25. Plow and Carrier Engine Lacks Power
No Oil Pressure
Probable cause
Possible remedy
Probable cause
Possible remedy
Governor defective ---------- Replace governor (par. 183).
Defective oil pump ----------- Report to field maintenance,
Spark plugs cracked or
Replace defective spark
3d echelon.
burned
plugs (par. 94).
Defective oil pressure
Replace oil pressure gage
Defective valves-------------- Report to field maintenance,
gage
3d echelon.
Insufficient oil supply -------- Fill crankcase (LO 5-3825-
Low compression or de
Report to field mainte-
213-20).
fective head gasket
nance, 3d echelon.
31. Plow and Carrier Engine Starter Fails To Crank
26. Plow and Carrier Engine Stops Suddenly
Probable cause
Possible remedy
Probable cause
Possible remedy
Defective batteries
Charge or replace bat-
Clogged fuel filter ------------ Service or replace defective
(carrier)
teries (par. 250).
fuel filter (par. 175).
Defective starter
Defective ignition
Replace wiring (par. 93)
wiring or switch
Starter defective -------------- Replace starter (par. 91).
Defective fuel pump --------- Replace fuel pump (par.
32.
Alternator Fails To Charge Batteries (Carrier
Engine)
27. Plow and Carrier Engine Overheats
Probable cause
Possible remedy
Probable cause
Possible remedy
Loose terminal
Tighten terminal connec-
Defective radiator ------------ Report
to
field
connections
tion (par. 250).
maintenance, 3d echelon.
Alternator defective ---------- Replace alternator (par. 101).
Defective thermostat -------- Replace thermostat (par.
Drive belts loose-------------- Adjust drive belts (TM 5-
3825-213-10).
Defective fan belts ----------- Replace fan belts (par. 163).
Alternator regulator
Adjust alternator regula-
Defective water pump ------ Report to field maintenance,
out of adjustment
tor (par. 102).
3d echelon.
Coolant level low ------------- Add coolant (TM 5-3825-213-
33. Alternator Regulator Inoperative (Carrier Engine)
10).
Probable cause
Possible remedy
Oil level low ------------------- Add oil to crankcase (LO 5-
Alternator regulator
Adjust regulator (par.
3825-213-20).
improperly adjusted
102).
Regulator defective ---------- Replace regulator (par. 102).
28. Plow and Carrier Engine Noisy
Probable cause
Possible remedy
34. Snowplow Fails or Is Slow To Raise or Lower
Improper valve lash --------- Adjust valve lash (par. 97).
Probable cause
Possible remedy
Defective connecting
Report to field mainte-
Hydraulic control mani-
Replace hydraulic control
rod bearings
nance, 3d echelon.
fold valve defective
manifold valve (par. 60).
Hydraulic cylinder
Report to field mainte-
29. Plow and Carrier Engine Oil Consumption High
defective
nance, 3d echelon.
Probable cause
Possible remedy
Defective hydraulic
Replace hydraulic hose
Oil cooler defective ---------- Replace oil cooler (par. 168).
hose
26