SECTION 4 – ENG INE OPERATION
Priming the Fuel System
WARNING: To prevent personal injury or death, do not
smoke and keep fuel away from open flames and sparks.
CAUTION:
To prevent engine damage, do not add fuel to the
fuel filter header. this can contaminate the fuel.
1. Set parking brake and shift transmission to park or neutral.
2. Ve rify wa ter drain v alve o n primary fuel filter housing is
closed and fuel filter caps are on tight.
3. Turn ignition switch to ON for app roximately 60 seconds
allowing electric fuel pump to prime the fuel system.
Starting the Engine
WARNING: To prevent personal injury or death, do not
use ether, propane, gasoline, or gasohol as starting aids.
WARNING: To prevent personal injury or death, do not
install ether start equipment, if an engine has a cold starting
device or other cold climate starting aid.
WARNING: To prevent personal injury or death, do not
use ether starting fluidtostartengine.
Figure 26 Ignition switch positions
1. Set parking brake and shift transmission to park or neutral.
CAUTION: To prevent damage to the engine, do not depress the
accelerator pedal.
2. Depress c lutch pedal if equipped.
3. Turn ignition switch to ON, to preheat the inlet air heater
element. The WAIT TO START lamp will illuminate when
the inlet air heater is required.
NOTE: The ECM normally does not energize the inlet air heater
element during hot starts. However, the ECM senses reduced
atmospheric pressure at high altitude and could energize the air
heater element during hot starts.
4. Wait for the WAIT TO START lamp to stop illum ina ting.
Do no t crank engine until the lamp is off. W h en the WAIT
TO START lamp goes off, turn ignition switch to START. If
Form No. 1172040R1
Page 48
Printed in the United States of America
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