ABB HT570679 Operation Manual page 62

Operation Manual / 4 Product description / A150-M.. - A155-M..
4 Monitoring operation
4.3.5 Replacing the speed sensor
Hot speed sensor
Danger of burns. The speed sensor can reach temperatures of more than
100 °C during operation.
WARNING
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
86505
Table 8: Tightening torque (86505)
Reduce the engine performance to idling and then stop the engine. Pay attention to post-

lubrication (Stopping the engine [➙ 40]).
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.

© Copyright 2017 ABB. All rights reserved.
A150
M12 x 1.5
15 Nm
HZTL4032_EN
Page 32 / 120
A155
M12 x 1.5
15 Nm
Revision F January 2017