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Operation Manual / 4 Product description / TPS44-H.. - TPS52-H..
4 Monitoring operation / 4.3 Turbocharger speed
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.
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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.
Fig. 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-
u
lubrication
(Stopping the engine
Switch off the lubricating oil supply to the turbocharger.
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Disconnect cable connector (86515) from speed sensor (86505).
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Unscrew and remove defective speed sensor (86505).
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Screw in new speed sensor (86505) as far as it will go and tighten.
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Connect cable connector (86515) to speed sensor (86505).
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Switch on lubricating oil supply to the turbocharger.
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© Copyright 2017 ABB. All rights reserved.
TPS44
M12 x 1.5
15 Nm
→29).
HZTL4037_EN
TPS48
M12 x 1.5
15 Nm
Revision E
TPS52
M12 x 1.5
15 Nm
July 2017
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