Detroit Diesel MBE 4000 Service Manual page 553

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Keep the engine running at idling speed until an oil pressure
reading is obtained.
approximately 10 seconds, stop the engine and determine
the cause. Failure to do so could result in engine damage.
11. Check the filter and oil drain plug for signs of leakage.
12. Stop the engine. Check the oil level again after approximately five minutes. If necessary,
add oil up to the maximum fill level on the oil dipstick.
13.1.5
Check the coolant concentration 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:
Check and correct the coolant level only when the coolant temperature is below 122 F
(50 C).
1. Open the cap on the surge tank slowly, to allow excess pressure to escape. Set the cap
aside.
2. Before adding coolant, use a suitable tester to check the concentration of
corrosion-inhibiting antifreeze. If the concentration is lower than 50 percent by volume,
All information subject to change without notice.
6SE412 0403 Copyright © 2004 DETROIT DIESEL CORPORATION
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Coolant Concentration and Inhibitor Level Checking
HOT COOLANT
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NOTICE:
If no oil pressure is shown after
Wear adequate protective
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MBE 4000 SERVICE MANUAL
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13-19
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