13.1 Operating Instructions
DETROIT DIESEL 53
STOPPING
Normal Stopping
1.
Release the load and decrease the engine
speed. Put all shift levers in the neutral position.
Cooling System
2.
Allow the engine to run at half speed or slower
Drain the cooling system if it is not protected with
with no load for a short time, then move the stop lever
antifreeze and freezing temperatures are expected.
to stop to shut down the engine.
Leave the drains open.
Emergency Stopping
If the engine does not stop after using the normal
Check the oil level in the crankcase. Add oil, if
stopping procedure, pull the "Emergency Stop" knob all
necessary, to bring it to the proper level on the dipstick.
the way out. This control cuts off the air to the engine.
Do not try to restart again until the cause for the
Clean Engine
malfunction has been found and corrected.
Clean and check the engine thoroughly to make certain
CAUTION: The emergency shut-down system
it will be ready for the next run.
should never be used except in an emergency.
Use of the emergency shut-down can cause oil
Refer to Lubrication and Preventive Maintenance and
to be sucked past the oil seals and into the
perform all of the daily maintenance operations. Also,
blower housing.
perform the operations required for the number of hours
or miles the engine has been in operation.
The air shut-off valve, located on the blower air inlet
housing, must be reset by hand and the "Emergency
Make the necessary adjustments and minor repairs to
Stop" knob pushed in before the engine is ready to start
correct difficulties which became apparent to the
again.
operator during the last run.
Fuel System
If the unit is equipped with a fuel valve, close it. Fill the
fuel tank; a full tank minimizes condensation.
1972 General Motors Corp.
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