TM 10-3930-641-10
OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED
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OPERATE IN EXTREME COLD - CONTINUED
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7.
Machine Operation.
a.
Test brakes and machine controls carefully.
b.
Move all hydraulic controls slowly to warm hydraulic oil. Cycle each control several times. Normal warm-up
period in extreme cold is 30 minutes.
c.
Operate under a light load for the first five minutes of operation.
d.
Start driving very slowly for about 300 ft (91.4 m). If a problem is noted, notify Organizational Maintenance as
required.
8.
Parking Machine.
a.
If machine will be parked for a short period, park in a sheltered area out of the wind. If shelter is not available, park
machine so that radiator does not face into the wind.
b.
If machine will be parked for a long shutdown period, try to park on high ground and use planks or brush to make
a raised and relatively dry surface. Keep tires out of snow, water, ice, and mud, if possible.
c.
Clean snow, ice, and mud from machine as soon as possible after shutdown.
d.
If machine will be parked for a long period of time, have Organizational Maintenance prepare machine for storage.
e.
Ensure tires are properly inflated.
OPERATE IN EXTREME HEAT
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General. During very hot weather, it may be necessary to alter operating procedures to prevent machine from overheat-
1.
ing:
a.
Avoid continuous high engine RPM. However, it is important to maintain sufficient engine RPM to help cooling.
b.
Inspect engine oil, transmission oil, hydraulic oil, and engine coolant often and keep at proper levels.
c.
Be alert for evidence of overheating. Closely monitor all coolant and oil temperature gauges and indicators.
Reduce operation to 3/4 workload.
d.
If indicators stay on after more than 10 minutes of reduced workload, stop machine and notify Organizational
Maintenance.
e.
Inspect the following items often and notify Organizational Maintenance if you see any signs of wear or damage:
(1)
Alternator belt
(2)
Fan belts
(3)
Hydraulic system hoses and cylinder rods
(4)
Transmission and drive axle housings
(5)
Cooling system, coolant level, and rubber hoses
(6)
Tires and tire pressure
(7)
Protective tubing in electrical system
f.
Be alert for leaks. Report any leaks found.
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