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 101 of 773

TM 9-2320-279-10-1

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

Location

Item Interval

No.

item to

Crewmember

Not Fully Mission

Check/

Procedure

Capable If:

Service

DRIVER

13

Before Instru-

ments

Coolant Temperature Gage.

NOTE

Continued

Several minutes are required for

reading.

d. Check gage. Normal op-

erating temperature is 180°

F (82°C) to 200°F (93°C).

d. Gage indication

less than 140° F (60°

C) or more than 230°

F (110º C).

WARNING

if NBC exposure is suspected,

ail air filter media should be

handled by personnel wearing

protective equipment. Consult

your unit NBC Officer or NBC

NCO for appropriate handling

or disposal instructions.

e. Air Cleaner Restriction

Indicator. Check that air

cleaner restriction indicator is

within yellow area. If indicator

shows red and/or VACUUM

INCHES H20 window shows

18, service air cleaner ele-

ment (para 3-8).

COOLANT TEMPERATURE GAGE

AIR CLEANER

\

\

e. Air Restriction In-

dicator cracked or un-

serviceable.

Change 5

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