ABB TPS48-H33 Operation Manual page 58

Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
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.
Sealing of the speed sensor
The speed sensor is designed with a sealing lip and an additional O-ring and
does not need an additional gasket for assembly.
NOTICE
Figure 11: Fitting the speed sensor
Part number
86505
Table 9: Tightening torque (86505)
Reduce the engine performance to idling and then stop the engine. Pay attention to post-

lubrication (Stopping the engine [➙ 37]).
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 2016 ABB. All rights reserved.
TPS44
M12 x 1.5
15 Nm
HZTL4037_EN
TPS48
M12 x 1.5
15 Nm
Revision A
Page 28 / 99
TPS52
M12 x 1.5
15 Nm
August 2016