Detroit Diesel MBE 4000 Service Manual page 559

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Diesel engine exhaust and some of its constituents are
known to the State of California to cause cancer, birth
defects, and other reproductive harm.
8. Start the engine and run it for about one minute at varying speeds to release air pockets in
the cooling system. Make sure the heater valve is still open. Check the coolant level and
add more coolant if necessary.
9. Shut down the engine.
10. Close and tighten the cap on the surge tank.
13.1.9
Inspect the cooling system as follows:
To avoid scalding from the expulsion of hot coolant, never
remove the cooling system pressure cap while the engine
is at operating temperature.
clothing (face shield, rubber gloves, apron, and boots).
Remove the cap slowly to relieve pressure.
NOTE:
Before doing this inspection, make sure to do either maintenance operation "Coolant
Concentration Checking," or maintenance operation "Coolant Flushing and Changing."
1. Inspect the radiator, the condenser, the coolant pump, the engine oil cooler, the freeze
plugs, and the heat exchanger for damage and leaks.
2. Check all pipes and hoses in the cooling system for damage and leaks. Make sure all pipes
and hoses are properly positioned to avoid chafing, and are securely fastened.
3. Check the outside of the radiator and condenser for blockage by dirt or debris. Make sure
the fins are not damaged, and straighten them if necessary.
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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PERSONAL INJURY
Always start and operate an engine in a well ventilated
area.
If operating an engine in an enclosed area, vent the
exhaust to the outside.
Do not modify or tamper with the exhaust system or
emission control system.
Cooling System Inspecting
HOT COOLANT
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Wear adequate protective
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MBE 4000 SERVICE MANUAL
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13-25
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