Stopping The Engine - ABB HT576936 Operation Manual

Operation Manual / TPL76-C
4 Operation / 4.5 Stopping the engine
4.4.3 Replacing the speed sensor
4.4.4 Failure of speed measuring system

4.5 Stopping the engine

© Copyright 2017 . All rights reserved.
WARNING
Hot cable connector and hot speed sensor
Risk of burning. During operation, the cable connector and the speed
sensor can reach temperatures exceeding 100 °C.
Wear safety gloves when removing the cable connector and speed
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sensor.
Wear safety gloves to protect against thermal hazards.
Reduce engine performance to the idling speed, then stop the engine.
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Switch off the lubricating oil supply to the turbocharger.
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Disconnect the cable connector from the speed sensor.
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Screw out defective speed sensor.
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Screw in a new speed sensor up to the limit block.
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Observe the tightening torque (see the table of tightening torques in
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the chapter entitled Disassembly and assembly).
NOTICE
Sealing of the speed sensor
The speed sensor is designed with a sealing lip and does not require
any additional gasket for assembly.
Connect cable connector to speed sensor.
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Switch on lubricating oil supply to turbocharger.
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Possible reasons for failure of the speed measuring system are de-
scribed in the chapter Troubleshooting.
CAUTION
Stopping the engine
Heat in the turbocharger must be dissipated by the further circulating
lubricating oil.
Allow the engine to continue running at idling speed for a further 10
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minutes before stopping.
HZTL2485_EN Revision E July 2017