Detroit Diesel MBE 4000 Service Manual page 520

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STARTING THE ENGINE

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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.

2. Then, with the coolant temperature above 122 F (50 C), recheck the coolant level.

3. Add more coolant if necessary. Open the heater valves before adding coolant.

4. Do not close the heater valves until the engine has been run briefly and the coolant level

again checked and corrected as necessary.

Starting an Engine That Has Not Been Run for a Long Time

Before starting an engine which has not been run for a long time, certain special work must

be carried out.

At outside temperatures below –4 F (–20 C), a coolant preheater is recommended.

To avoid injury before starting and running the engine,

ensure the vehicle is parked on a level surface, parking

brake is set, and the wheels are blocked.

1. Chock the tires, place the transmission in neutral, and set the parking brake.

2. Turn on the ignition switch and start the engine

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Wear adequate protective

PERSONAL INJURY

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All information subject to change without notice.

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