Table 3-8. Oil Pressure Specifications

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TM-9-2815-226-34-2 Engine Diesel 6 Cylinder Inline Turbocharged Cummins NTC-400 BC2 Manual

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Perform break-in and test procedures. (cont)

TM 9-2815-226-34-2

Table 3-8. Oil Pressure Specifications

PSI

Speed

35-45

Rated

Torque Peak (Minimum)

10-32

Idle

NOTE

Specifications are for pressures at operating oil and water temperatures.

(d)

Check oil pressure. Pressure should remain at or near constant at speeds and loads specified.

CAUTION

ALLOW ENGINE TO IDLE 3 TO 5 MINUTES BEFORE SHUTTING DOWN TO

PREVENT TURBOCHARGE BEARINGS SEIZURE AND ENGINE COOLANT FROM

BOILING.

(e)

If oil pressure not within specifications, cool and shutdown engine. Investigate and correct as necessary.

(f)

After every phase during run-in, shut down engine and service oil to "H" mark on dipstick. New oil filter will

absorb some oil.

(g)

Check oil temperature. If temperature rises sharply above 250 F (121C), cool and shut down engine.

Investigate and correct as necessary.

(h)

After engine started, add coolant as necessary to completely fill cooling system and remove entrapped air.

(i)

Check coolant temperature. Coolant should not exceed 200 F (93C) or drop below 160F (71C) during

engine operation.

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