TM 5-3820-245-14&P
3-8
OPERATION UNDER UNUSUAL CONDITIONS
A.
Operation in Extreme Cold (Below O"F).
1.
Inspect radiator to be sure that antifreeze is correct for the lowest possible temperature expected.
2.
Inspect the cooling system and report any leaks to direct support maintenance.
3.
Keep battery fully charged. After adding water, run the engine for at least one hour.
4.
Keep fuel tank as full as possible to prevent condensation.
5.
Drain and service fuel strainers frequently.
6.
Before applying load, allow engine to reach normal operating temperature.
7.
Lubricate as specified in Lubrication Diagram this manual. SEE PAGES 37-40
B.
Operation in Extreme Heat
1.
Cooling System.
a.
Check the coolant level frequently. Clean and flush the cooling system frequently.
b.
Make sure the fan belts are in good condition and that the tension is adjusted properly. Make
sure that the thermostat is in proper working condition.
c.
Clean between the fins of the radiator core frequently to get the best possible cooling. Use
compressed air if available to blow all dust and dirt out of the core. Avoid using water that
contains substances likely to cause excessive scale and rust.
2.
Lubrication System. Lubricate the unit for hot weather operation in accordance with Lubrication
Diagram this manual.
3.
Fuel System.
a. Clean the fuel strainer frequently and check the fuel filters.
b. Check the air cleaner. Keep it clean and free from foreign matter.
c.
Be sure the tank vents in the fuel system are open.
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