TM 5-3810-300-24&P-3
15.1 Preventive Maintenance
may best be detected by checking for accumulation of
1.
Lubricating Oil
fuel under the tanks.
a. Check the lubricating oil level with the engine
4.
Cooling System
stopped. If the engine has just been stopped,
wait approximately twenty minutes to allow the
oil to drain back to the oil pan. Add the proper
a. Before starting the engine, always check the
grade oil as required to maintain the correct level
coolant level. Make sure the coolant covers the
on the dipstick.
radiator tubes. Add coolant as necessary. Do
not overfill.
CAUTION: Oil may be blown out
b. Make a visual check for cooling system leaks.
through the crankcase breather if the
Check for an accumulation of coolant beneath
crankcase is overfilled.
the vehicle during periods when the engine is
running and when the engine is stopped.
b. Make a visual check for oil leaks around the
filters and the external oil lines.
6.
Air Cleaner Oil Bath)
2.
Fuel Tanks
Drain the oil and clean the sludge from the air cleaner oil
cup. Wash the oil cup with clean fuel oil and refill it to
Keep the fuel tank filled to reduce condensation to a
the proper level with the same grade of oil as used in the
minimum. Select the proper grade of fuel in accordance
engine. If heavy rain or snow has been encountered,
with the Diesel Fuel Oil Specifications in Section 13.3.
check the air cleaner for an accumulation of water.
Open the drain at the bottom of the fuel tank every
15,000 miles to drain off any water or sediment.
Remove and steam clean the air cleaner element and
baffle annually.
3.
Fuel Lines
Service the air cleaner more often if the engine is
Make a visual check for fuel leaks at the cross-over lines
operated under severe dust conditions.
and at the fuel tank suction and return lines. Since fuel
tanks are susceptible to road hazards, leaks in this area
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