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 149 of 452

STARTING ENGINE ABOVE 32º F (0º C) - CONTINUED

NOTE

When vehicle ignition is switched on, low air pressure

warning buzzer will sound and the following warning

indicators will illuminate: LOW AIR PRESSURE, ENG

OIL, PARK BRAKE, and transmission heater warning lamp

on the M915 through M920.

3. Insert ignition key in engine run switch (Figure 2, Item 1), and turn on ignition by

moving engine run switch (Figure 2, Item 1) clockwise to IGNITION AND

ACCESSORY (ON) position (WP 0005).

4. Observe low air pressure warning buzzer sound and LOW AIR PRESSURE

indicator (Figure 2, Item 4), ENG OIL indicator (Figure 2, Item 2), PARK

BRAKE indicator (Figure 2, Item 3), and transmission heater warning lamp on the

M915 through M920 illuminate.

Figure 2. Turning On Ignition and Observing Warning Indicators.

1

2

3

4

TM 9-2320-273-10

0008

0008-3