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 316 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:
NOTE
The engine must be
running to perform the
following checks.
a. Start engine and run
at idle speed.
Engine does not
operate.
b. Check air cleaner
indicator. If in red,
clean filter and reset.
Air cleaner
indicator stays
in red.
c. Check voltmeter
(Figure 6, Item 1)
needle. Should be in
green area. Normal
operating range is
12–15V.
Voltmeter reads
above or below
the green area.
d. Check transmission
oil temperature gauge
(Figure 6, Item 2).
Normal operating
range is 40–220° F
(4–104° C) for
M915–M920 or
120–250° F
(49–121° C) for
M915A1.
Oil temperature
gauge exceeds
220° F (104° C)
for M915–M920
or 250° F
(121° C) for
M915A1.
e. Check air pressure
gauges front
(Figure 6, Item 4)
and rear
(Figure 6, Item 6).
Normal operating
range is 90–120 psi
(621–827 kPa) for
M915–M920 or
95–125 psi
(655–862 kPa) for
M915A1. Ensure
warning light
(Figure 6, Item 5)
and buzzer are
operational.
Reads less than
60 psi
(414 kPa).
Warning light
and/or buzzer
stays on or not
operational.
TM 9-2320-273-10
0025
0025-10
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