TM 5-3810-300-24&P-3
malfunction has been found and corrected. The air shut-
Engine Temperature
off valve, located on the blower air inlet housing, must be
reset by hand and the Emergency Stop knob pushed in
Normal engine coolant temperature is 160 C F. to 185
before the engine is ready to start again.
F
CAUTION: The emergency shut-down system
Crankcase
should never be used except in an emergency.
Use of the emergency shut-down can cause oil
If the engine crankcase was refilled, stop the engine after
to be sucked past the oil seals and into the
normal operating temperature has been reached, allow
blower housing.
the oil to drain (approximately 10 minutes) back into the
crankcase and check the oil level. Add oil, if necessary,
Cooling System
to bring it to the proper level on the dipstick.
Use only the heavy duty lubricating oil specified under
Drain the cooling system if it is not protected with
Lubricating Oil Specifications in Section 13.3.
antifreeze and freezing temperatures are expected.
Leave the drains open.
Cooling System
Crankcase
Remove the radiator cap slowly after the engine has
reached normal operating temperature and check the
Check the oil level in the crankcase. Add oil, if
engine coolant level. The coolant level should be near
necessary, to bring it to the proper level on the dipstick.
the top of the opening. If necessary, add clean soft
water or a high boiling point type antifreeze.
Transmission
Avoid Unnecessary Engine Idling
Check the oil level in the transmission.
Add oil, if
necessary, to bring it to the proper level.
During long engine idling periods, the engine coolant
temperature will fall below the normal operating range.
Fuel System
The incomplete combustion of fuel in a cold engine will
cause crankcase dilution, formation of lacquer or gummy
Fill the fuel tank; a full tank minimizes condensation.
deposits on the valves, pistons and rings and rapid
accumulation of sludge in the engine.
Inspection
NOTE: When prolonged engine idling
is
Make a visual check for leaks in the fuel, lubricating and
necessary, maintain at least 800 rpm.
cooling systems.
STOPPING
Clean Engine
Normal Stopping
Clean and check the engine thoroughly to make certain it
will be ready for the next run.
1. Put all of the transmission shift levers in the neutral
position and apply the hand brake.
Refer to the Lubrication and Preventive Maintenance
Chart in Section 15.1 and perform all of the daily
2. Allow the engine to run at half speed or slower for a
maintenance operations.
Also perform all of the
short time, then turn the control switch to off and pull the
operations required for the number of miles the engine
stop knob all the way out.
has been in operation.
Make the necessary adjustments and minor repairs to
Emergency Stopping
correct difficulties which may have occurred during the
previous run.
If the engine does not stop after using the normal
stopping procedure, pull the Emergency Stop knob all
the way out. This control cuts off the air to the engine.
Do not try to restart again until the cause for the
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