Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
4 Operation / 4.4 Speed measurement
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
4.4 Speed measurement
A speed measuring system permits continuous monitoring of the tur-
bocharger speed.
CAUTION
Do not use cables as a climbing aid
If you pull the speed measurement cables too hard, contacts can be
pulled out.
u Do not tension the speed measurement cables.
Part number Description
42047 Screw plug
86505 Speed sensor
86515 Cable connector for 86505
86526 F/I converter
86528 Tachometer
4.4.1 Speed differences with multiple turbochargers per
engine
The speeds of all turbochargers on one engine differ only slightly from
each other in normal operation.
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