TM-9-2320-279-10-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

OPERATOR’S MANUAL VOLUME 1 OF 2

DECEMBER 1998

CHANGE 5

TM-9-2320-279-10-1 - Page 100 of 773

TM 9-2320-279-10-1

Table 2-1. Preventive Maintenance Checks and Services for Models M977 thru M985E1

Item

No.

13

Location

Interval

Item to

Check/

Service

Before

Instru-

ments

Continued

Crewmember

Not Fully Mission

Procedure

Capable If:

DRIVER

CAUTION

Immediately stop engine if oil

pressure is zero.

NOTE

At idle, oil pressure can go as low

as 5 psi (34 kPa).

c. Oil Pressure Gage.

c. Gage indication

Check gage. Normal operat-

less than 30 psi (207

ing range is 40 to 60 psi (276

kPa) during normal

to 414 kPa) between engine

operation or less than

speedsof1800to2100rpm.

5 psi (34 kPa) at idle.

Minimum for safe operation is

30 psi (207 kPa).

OIL PRESSURE GAGE

2-42

Change 5