ABB PT003924 Operation Manual page 46

Operation Manual / Power2 340-H / Low-pressure stage
5 Monitoring during operation / 5.3 Speeds
5.3.4 Replacing the speed sensor
WARNING
Hot cable connector and hot speed sensor
Danger of burns. The cable connector and speed sensor can reach temperat-
ures in excess of 100 °C during operation.
When disassembling the cable connector and speed sensor, wear safety
u
gloves.
Wear safety gloves to protect against thermal hazards.
Reduce the engine performance to idling and then stop the engine. Observe post-lubrica-
u
tion time (see section Stopping the engine).
Switch off the lubricating oil supply to the low or high-pressure stage.
u
Disconnect the cable connector from the speed sensor.
u
Unscrew the defective speed sensor.
u
Screw in new speed sensor to the stop.
u
For the tightening torque of the low-pressure stage speed sensor, see document
u
Operation Manual / Power2 ... / Low-pressure stage / Disassembly and assembly / Table
of tightening torques.
For the tightening torque of the high-pressure stage speed sensor, see document
u
Operation Manual / Power2 ... / High-pressure stage / Disassembly and assembly / Table
of tightening torques.
The speed sensor supplied by Turbo Systems is equipped with a sealing lip and an O-ring. No
additional gasket is required during assembly.
Connect the cable connector with the speed sensor.
u
Switch on lubricating oil supply to the low-pressure or high-pressure stage.
u
5.3.5 Malfunction of the speed measurement system
In the case of malfunctions of the speed measurement system, refer to the chapter entitled
Troubleshooting/Speed measurement system
© Copyright 2022 ABB. All rights reserved.
→65.
HZTL4053_EN Rev.F March 2022