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 29. tropical Areas
cleaner during sandstorms. If necessary, clean
the oil fillercap daily by dipping it several times
In tropical areas, when paint is chipped or
in Solvent, dry cleaning (SD). Make certain
scratched from truck, corrosive action takes
that sand is removed from axles, wheels, steer-
place almost immediately. To prevent this, have
the paint removed with paint remover, sand-
ing spindles, radiator, and brake assemblies.
paper, or sandblasting equipment. Have two
Protect the lift and tilt mechanism from sand.
coats of red lead primer applied and, when dry,
During sandstorms, cover the exposed parts of
have a finishing coat of paint applied.
the lift and tilt cylinder piston rods.
Section V. TROUBLESHOOTING
31. Troubleshooting
30. Purpose
In the troubleshooting chart each symptom
Troubleshooting is the process of locating
of trouble is followed by a list of probable
and correcting malfunctions that may occur
causes and suggested procedure for locating
under normal operating conditions, and it is
and remedying the trouble. Troubles which
the responsibility of the using organization.
cannot be remedied by the operator should be
reported to the proper authority.
Troubleshooting Chart
Symptom
Probable cause
Corrective action
(a) Notify organizational mainte-
(a) Defective starter system ---------------
1. Engine will not turn when start-
nance personnel.
ing motor is actuated.
(b) Notify organizational mainte-
(b) Mechanical seizure of parts ----------
nance personnel.
(a) Have cable cleaned and tight-
(a) Loose or corroded connections ----
2. Starter will not crank engine.
ened.
(b) Notify organizational mainte-
(b) Battery discharged ----------------------
nance personnel.
(a) Notify organizational person-
(a) Battery discharged -------------------
3. Slow cranking speed.
nel.
(b) Have oil changed to correct
(b) Incorrect crankcase oil viscos-
viscosity.
ity.
(a) Have wires replaced or con-
(a) Loose or disconnected wires in
4. Engine turns over but will not
nections tightened.
ignition system
start.
(b) Fill fuel tank.
(b) Fuel tank empty --------------------
(c) Open throttle and crank en-
(c) Combustion chamber flooded
gine to expel excessive fuel.
with fuel.
(a) Low coolant level ----------------------
(a) Add coolant to radiator. Check
5. Engine overheating.
for leaks.
(b) Loose or broken fan belt --------------
(b) Have organizational mainte-
nance personnel tighten or re-
place belt.
Release parking brake.
Parking brake applied -----------------------
6. Lack of power.
Check oil level and have oil added
Oil low in crankcase ---------------------------
7. Low or no oil pressure.
as necessary.
Check oil level and have oil added
Oil low in transmission --------------------------
8. Truck will not move when trans-
as necessary.
mission controls are engaged.
Low tire pressure -------------------------------
Inflate tires to correct pressure.
9. Hard or irregular steering.
Low oil level in hydraulic tank --------------
Check oil level and have oil added
10. Hydraulic system will not lift or
as necessary.
tilt load or lifts slowly.
17
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