SECTION Ill. OPERATION UNDER USUAL CONDITIONS
2-10. ASSEMBLY AND PREPARATION FOR USE. Before starting, driving and testing the truck, carry out the
lubrication instructions detailed in Chapter 3. Fuel up the truck, and fill the water and foam tanks.
2-11. INITIAL ADJUSTMENTS. All subsystems and components requiring adjustments are pre-set by the
manufacturer and no special procedures are required. Carry out all routine checks and inspections as detailed
in Operators PMCS Procedures (para 2-9).
2-12. OPERATING PROCEDURES
Starting the Engine.
(1) Set battery switch to BOTH.
(2) Be sure that the parking brakes are engaged:
the PARKING BRAKE button is pulled OUT.
(3) Be sure that the transmission shift lever is in N
The transmission neutral start switch prevents
starting unless the transmission is in neutral.
(4) Turn the IGNITION ON/OFF switch to ON.
(5) Depress the two START buttons until the
engine starts, or a maximum of 30 seconds. If
the engine fails to start, wait one to two
minutes and repeat the starting attempt.
Waiting between starting attempts is
necessary to prevent overheating of the
If starting in cold weather, depress ETHER
START switch button for 1-2 seconds. If the
engine fails to start after several starting
attempts, consult the troubleshooting chart in
Chapter 3, Section II.
The alarm lamps will sound and illuminate
when the engine is started and the air system
pressure is below 65 psi (450 kPa). The
audiovisual signals will cease once the air
system pressure exceeds 65 psi (450 kPa) as
indicated on gauges.