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
Table10: Tightening torques (86505)
u Reduce the engine performance to idling and then stop the engine. Pay attention to post-
lubrication (Stopping the engine →48).
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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