Operation Manual / A200-L
5 Monitoring during operation / 5.3 Turbocharger speed
© Copyright 2021 ABB. All rights reserved.
HZTL4036_EN
Rev.T
December 2021
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.
u
When disassembling the cable connector and speed sensor, wear safety
gloves.
Wear safety gloves to protect against thermal hazards.
u
The speed sensor is designed with a sealing lip and does not require a sealing disc for as-
sembly.
Fig. 13: Replacing the speed sensor
Part number
A255-L
A260-L
A265-L
A270-L
A275-L
A280-L
86505
M18x1.5
150 Nm
M18x1.5
150 Nm
M18x1.5
150 Nm
M18x1.5
150 Nm
M18x1.5
150 Nm
M27x2
320 Nm
Table 10: Tightening torques (86505)
u
Reduce the engine performance to idling and then stop the engine. Pay attention to post-
lubrication (
).
u
Switch off the lubricating oil supply to the turbocharger.
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
Connect cable connector (86515) with the speed sensor (86505)
u
Switch on lubricating oil supply to the turbocharger.
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