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TM 5-2410-233-10
OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED
0006 00
OPERATE IN EXTREME COLD - CONTINUED
Operation.
2.
CAUTION
Low idling speeds during extremely cold temperatures can result in incomplete combustion and heavy
deposit formations on valves. These deposits can cause burned valves, bent pushrods or other damage to
valve components.
a.
Carefully follow engine start and warmup procedures in WP 0005 00. Allow engine time to thoroughly warm up so
that it idles smoothly. However, do NOT allow to idle excessively or at speeds that are too low. Run engine at reduced
speed ONLY long enough to circulate oil through engine, then increase speed.
b.
To avoid water condensation in fuel tank, completely fill fuel tank after each operating period. Also drain water from
fuel tank.
c.
Remove snow, ice and mud from engine compartment, hydraulic cylinders, track components, and implements before
operation.
d.
Ensure tractor and all implements are clean before parking machine. Park in a sheltered area out of the wind. Place
tracks and implements on planking, to keep them from freezing to the ground.
e.
If shelter is not available, park tractor so it does not face into the wind. Cover machine if possible, to protect engine,
accessories and controls from ice and snow.
CAUTION
Do NOT attempt to break tracks loose under engine power. Do NOT move tractor with large frozen lumps
of material in tracks. Failure to follow this caution may cause damage to equipment.
f.
If tracks freeze to the ground, notify Unit Maintenance.
OPERATE IN EXTREME HEAT
CAUTION
Limit engine idling time. Under no condition should idling time exceed a maximum of 10 minutes. Excessive
idling can cause carbon buildup and damage to engine.
NOTE
Refer to FM 90-3, Desert Operations.
1.
During very hot weather, avoid continuous long, hard pushes or pulls. Allow engine to idle if it becomes overheated. If
engine does not cool sufficiently after a maximum of 10 minutes of idling, shut down and notify Unit Maintenance.
2.
If water temperature gage indicates in RED zone or engine coolant temperature warning light comes on, allow engine to
cool down 3-5 minutes at idle. Notify Unit Maintenance if engine does not cool down.
3.
Check cooling system, air cleaner service indicator and engine oil level frequently. Ensure that radiator is free of debris or
foreign matter. Perform necessary services and notify Unit Maintenance of any unusual gage readings or problems.
4.
Clean and lubricate tractor more frequently than indicated in PMCS.
5.
Park tractor under cover or in the shade, if possible.
0006 00-4

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