
Operation Manual / 4 Product description / A150-M.. - A155-M..
4
Monitoring operation
Page 32 / 120
© Copyright 2017 ABB. All rights reserved.
HZTL4032_EN
Revision F
January 2017
4.3.5
Replacing the speed sensor
WARNING
Hot speed sensor
Danger of burns. The speed sensor can reach temperatures of more than
100 °C during operation.
Wear safety gloves when disassembling the speed sensor.
Wear safety gloves to protect against thermal hazards.
The speed sensor supplied by ABB is equipped with a sealing lip and an O-ring. No additional
gasket is required during assembly.
Figure 18: Replacing the speed sensor
Part number
A150
A155
86505
M12 x 1.5
15 Nm
M12 x 1.5
15 Nm
Table 8: Tightening torque (86505)
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 cable connector (86515) from speed sensor (86505).
Unscrew and remove defective speed sensor (86505).
Screw in new speed sensor (86505) as far as it will go and tighten.
Connect cable connector (86515) to speed sensor (86505).
Switch on lubricating oil supply to the turbocharger.