OPERATION
5-36 / Operating the Engine
© 2018 Pierce Manufacturing Inc. All Rights Reserved.
5-17. Stopping the Engine
1. Bring the truck to a complete stop using the service brakes.
2. Shift transmission into
N
(Neutral).
3. Set parking brake.
4. Idle engine for 3 to 5 minutes.
5. Turn ignition switch to OFF position.
6. Turn battery selector switch to OFF position.
5-18. Emergency Shutdown
(Optional)
The emergency shutdown feature provides positive shutdown capability even in the event that the engine is
operated in an atmosphere rich in fuel vapors. The shutdown device is a clapper valve located in the air intake pipe
or the charge air cooler pipe that blocks all airflow to the intake manifold. The valve is tripped electrically or
pneumatically from a switch located at the driver’s station or pump panel. Once the valve is tripped, it must be reset
before the engine can be started again.
Never stop the engine by turning off the battery switch, or alternator damage may result.
Running the engine at idle allows the lubricating oil and coolant to carry heat away from the
combustion chamber, bearings, shafts, etc. This is especially important with turbocharged engines.
The turbocharger contains bearings and seals that are subject to the high heat of combustion exhaust
gases. While the engine is running, this heat is carried away by normal oil circulation. If the engine is
stopped suddenly, the turbocharger temperature may rise as much as 100°F (56°C). This may result in
seized bearings or loose oil seals. Failure to idle the engine for the proper length of time before
shutdown can lead to reduced engine life or engine component failure.
The emergency shutdown device is meant for occasional use only. Continual use of this device will
place unnecessary stress on intake plumbing and engine parts and may lead to reduced component
life.
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Страница 18: ...FOREWORD 1 6 To the Owner and Operator 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 30: ...SAFETY 2 12 Safety and Responsibility 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 62: ...GENERAL 4 20 Controls Indicators and Features 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 122: ...OPERATION 5 60 Driving the Vehicle 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 180: ...LUBRICATION AND MAINTENANCE INTERVALS 7 8 Scheduled Inspections 2018 Pierce Manufacturing Inc All Rights Reserved ...
Страница 184: ...A 4 2018 Pierce Manufacturing Inc All Rights Reserved ...