TM 5-3825-213-10
Intervals
Procedures
Intervals
Procedure
B
D
A
B
D
A
X
X
Fire extinguisher. Check condition of the
45). Check for cracked or frayed
fire extinguisher. See that seal is not
condition.
broken and that mounting hardware is
X
X
Protection. If engine has not been
not loose or missing.
X
Instrument and gages. Check all instru-
winterized and freezing weather is
expected, drain the cooling system
ments and gages frequently while the
completely and leave the draincocks
unit is in operation.
open.
X
X
Leaks, general. Inspect entire unit for
X
Batteries. Check level and cable
leaks, giving particular attention to the
connections (fig. 44).
fuel line and hydraulic oil lines and
X
Publications. See that a copy of this
connections. Look for signs of leaks
under the engine. Repair all leaks,
manual and the current lubrication
or report condition to organizational
order (LO 5-3825-213-20) are on or
maintenance.
with the equipment and in serviceable
X
X
Belt. Inspect fan, alternator, compressor,
condition.
X
Air Cleaner. Inspect condition and
and hydraulic pump drive belts for
proper tension (figs. 37, 39, 41, and
mounting of the air cleaners (fig. 33).
X
Handbrake. Adjust handbrake to
proper tension (fig. 40).
Section IV. TROUBLESHOOTING
44. Carrier Engine Exhaust Smokes Excessively
41. General
Probable cause
Possible remedy
This section provides information useful in
diagnosing and correcting unsatisfactory operation or
Lubricating oil to thin ............ Drain and refill engine
failures of the snow removal unit and its components.
crankcase with proper
Each trouble symptom stated is followed by a list of
grade of oil (LO 5-3825-
probable causes of the trouble. The possible remedy
213-20).
recommended is described opposite the probable cause.
Fuel mixture too rich ............ Adjust the carburetor
Any operational trouble that is beyond the scope of the
operator or crew must be reported to organizational
maintenance.
45. Carrier Engine Overheat
Probable cause
Possible remedy
42. Carrier Engine Hard To Start or Fails To Start
Insufficient water in .............. Check coolant level in
Probable cause
Possible remedy
cooling system.
radiator (fig. 30).
Fuel shutoff valve closed ..... Open shutoff valve
Cooling system clogged ....... Service radiator (fig. 36).
Lubrication improper ............ Drain and refill engine
Lack of fuel .......................... Fill fuel tank (fig. 30).
crankcase with proper
Dirt, gum or water in
Service fuel filter
grade of oil (LO 5-3825
fuel filter.
218-20).
43. Carrier Engine Operates Erratically or Lacks
46. Carrier Engine Knock or Develops Unusual
Power
Noise
Probable cause
Possible remedy
Probable cause
Possible remedy
Sediment or water in
Service fuel filter
Oil level low ......................... Fill crankcase to proper
fuel system.
level (LO 5-3826-213
Air cleaner clogged .............. Service air cleaner
20).
Poor grade of fuel ................ Use approved fuel
Carburetor out of
Adjust carburetor
adjustment.
Caution
If the engine knocks or is noisy when
oil is at proper level, stop engine
(par. 17) and report condition to
organizational maintenance.
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