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4.4.3
WARNING
NOTICE
4.4.4
© Copyright 2014 ABB. All rights reserved.
Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Operation
Speed measurement
Replacing the speed sensor
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
sensor.
Wear safety gloves against thermal risks.
Reduce engine performance to the idling speed, then stop the engine.
Switch off the lubricating oil supply to the turbocharger.
Disconnect the cable connection from the speed sensor.
Screw out the defective speed sensor.
Screw in a new speed sensor up to the limit block.
Stay within the tightening torque (see the table of tightening torques in
the chapter entitled Disassembly and assembly).
Sealing the speed sensor
The speed sensor is designed with a sealing lip and does not require an
additional gasket when fitted.
Join up cable connector and speed sensor.
Switch on lubricating oil supply to turbocharger.
Failure of speed measuring system
Possible reasons for failure of the speed measuring system are described
in the chapter Troubleshooting.
4
4.4
Page 46
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