TM-9-2320-273-10

TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; OPERATOR’S MANUAL

DECEMBER 2012

TM-9-2320-273-10 - Page 317 of 452

Table 1. Preventive Maintenance Checks and Services (PMCS) - Continued.

ITEM

NO.

INTERVAL

ITEM TO BE

CHECKED OR

SERVICED

PROCEDURE

EQUIPMENT NOT

READY/AVAILABLE

IF:

f. Check engine

temperature gauge

(Figure 6, Item 7).

Normal operating

range is 165–195° F

(74–91° C) for

M915–M920 or

160–220° F

(71–104° C) for

M915A1 with engine

warmed up.

Temperature

gauge reads less

than 165° F

(74° C) or

exceeds 195° F

(91° C) for

M915–M920 or

reads less than

160° F (71° C)

or exceeds

220° F (104° C)

for M915A1

after engine

warms up.

g. Check engine oil

pressure gauge

(Figure 6, Item 3).

Normal operating

range is 40–75 psi

(276–517 kPa) for

M915–M920 or

35–50 psi

(241–345 kPa) for

M915A1 at

2,100 rpm and

5–20 psi

(34–138 kPa) at idle.

Reads less than

40 psi

(276 kPa) for

M915 through

M920 or 35 psi

(241 kPa) for

M915A1 at

2,100 rpm or

30 psi

(207 kPa) for

M915 through

M920 10 psi

(69 kPa) for

M915A1 at at

idle.

1

2

3

4

5

6

7

Figure 6. Instrument Panel.

TM 9-2320-273-10

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