TM-9-2320-434-10

TRUCK, LOAD HANDLING SYSTEM (LHS), 8X8, M1120

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009

TM-9-2320-434-10 - Page 231 of 1324

START WARM ENGINE - Continued

CAUTION

If OIL PRESS gauge does not show engine oil pressure within 10 to 15

seconds after starting engine, shut off engine (WP 0051) immediately and

notify field level maintenance. Failure to comply may result in damage to

equipment.

NOTE

•

Minimum engine oil pressure for safe operation (vehicle moving) is

30 psi (207 kPa).

•

At idle, engine oil pressure can drop as low as 5 psi (34 kPa), this is

a normal condition.

5.

Check that engine OIL PRESS gauge (4) indicates normal operating range of 40 to

70 psi (276 to 483 kPa) at 1800 to 2100 rpm.

6.

AIR PRESS gauge (5) reads 60 to 120 psi (414 to 827 kPa). AIR indicator (6) will light

and buzzer will sound until both needles reach 60 to 75 psi (414 to 517 kPa).

PARKING

BRAKE

TRAILER

AIR SUPPLY

EXEXEX

EXEXEX

EXEXEX

AIR BRAKE

7

6

5

Figure 5.

7.

Check that FUEL gauge (7) shows enough fuel to complete mission.

NOTE

WATER TEMP gauge may not show reading at engine idle.

TM 9-2320-434-10

0038

0038-7