Natural Gas Vehicles, Engine Starting
108SD d 19.05.000
Note: Before starting the engine, read Instrumentation Control Unit for detailed information on how to read the instruments and Ignition Switch for detailed information on how to operate the controls. Read the operating instructions in the engine manufacturer's operation manual before starting the engine.
- Before engine start-up, complete the engine pretrip and post-trip inspections and maintenance procedures in Periodic Inspections and Maintenance and Safety Precautions.
- Ensure the fuel shutoff valve is open.
- Set the parking brake.
- Ensure that the transmission shift control is in Neutral (N), Park (P), or the Park Brake (PB) position.
- Without starting the engine, turn the ignition switch to
the ON position (see Fig. ). The electronic gauges on the instrumentation control unit
(ICU) will complete a full sweep of their dials, the warning and indicator
lights will illuminate, and the buzzer will sound for three seconds.
Fig. 1, Ignition Switch Positions
- Turn the ignition switch to the START position.Press down on the clutch pedal, if equipped, but do not press down on the accelerator pedal.Release the key the moment the engine starts.
- Bring the engine up to operating speed gradually as it warms up and develops stable oil pressure. If the vehicle has not been operated previously in a 24-hour period, allow the vehicle to idle for five minutes.
- Check the oil pressure gauge for any drop in lubricating oil pressure or mechanical malfunction in the lubricating oil system.
Notice: Do not rev the engine if the oil pressure gauge indicates no oil pressure. Shut down the engine within approximately ten seconds to avoid engine damage.
Note: