TM-9-2320-280-20-1

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3

JANUARY 1996

TM-9-2320-280-20-1 - Page 276 of 888

TM 9-2320-280-20-1

REFERENCE INFORMATION

ENGINE LUBRICATION

Change 2

2-193

Remove sending unit, refer to (para. 4-25)

1. Connect BLUE Transducer in place

of oil pressure sending unit. Dial test

50 (0-1000 psi). Perform offset test.

2. Dial test 01, interleave with RPM.

Dial test 50.

3. Start engine and observe display.

VTM will display RPM’s, then PSI.

ENGINE RPM

INTERLEAVE WITH 0-1000 PSI PRESSURE

ENGINE RPM

APPROXIMATE OIL PRESSURE

STOP

0 PSI

6.2L IDLE (650 ± 25)

10-15 PSI

6.5L IDLE (700 ± 25)

10-15 PSI

6.5L DETUNED

IDLE (700 ± 25)

10-15 PSI

2000

40-50 PSI

OIL PRESSURE CHART