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Operation Manual / TPS44-H.. - TPS52-H..
5 Monitoring operation / 5.3 Turbocharger speed
5.3.5
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. 17: Fitting the speed sensor
Part number
86505
Table 11: Tightening torque (86505)
Reduce the engine performance to idling and then stop the engine. Pay attention to post-
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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 2021 ABB. All rights reserved.
TPS44
M12 x 1.5
15 Nm
→52).
HZTL4037_EN
TPS48
M12 x 1.5
15 Nm
Rev.G
TPS52
M12 x 1.5
15 Nm
June 2021
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