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Operation Manual / 4 Product description / A100-M axial
4
Monitoring during operation
Page 27 / 113
© Copyright 2016 ABB. All rights reserved.
HZTL4033_EN
Revision A
July 2016
4.2.4
Replacing the speed sensor
WARNING
Hot cable connector and hot speed sensor
Danger of burns. The cable connector and the speed sensor can reach tem-
peratures of more than 100 °C during operation.
When disassembling the cable connector and speed sensor, wear safety
gloves.
Wear safety gloves to protect against thermal hazards.
Reduce the engine performance to idling and then stop the engine. Pay attention to post-
lubrication (
Switch off the lubricating oil supply to the turbocharger.
Disconnect the cable connector from the speed sensor.
Screw out defective speed sensor.
Screw in new speed sensor to the stop.
NOTICE
Sealing the speed sensor
The speed sensor is designed with a sealing lip and does not require an ad-
ditional gasket when fitted.
Connect cable connector (86515) with the speed sensor (86505)
Switch on lubricating oil supply to the turbocharger.
4.2.5
Malfunction of the speed measurement system
The possible reasons for malfunction of the speed measuring system are described in chapter
Troubleshooting (A100 - List of possible diesel engine malfunctions).