Operation Manual / TPL76-C
3 Commissioning / 3.1 Oil supply
© Copyright 2017 . All rights reserved.
HZTL2485_EN
Revision E
July 2017
Oil pressure
The oil pressure in front of the turbocharger must be maintained pre-
cisely to ensure trouble-free operation.
The permissible oil pressure ranges at measuring point M (blind connec-
tion) on the turbocharger are listed below.
Status for operation
Oil pressure at measuring
point M p
oil,in
[bar]
Permissible, for normal operation
1.3 … 2.5
Permissible, during engine warm-up
1.3 … 5.0
Temporarily admissible ( < 1 h ) ->
alarm
1.1 … 1.3
Not permissible ->
emergency stop
0.0 … 1.1
Permissible, during pre- and post-lubrica-
tion
(engine stopped)
0.2 … 2.5
Oil orifice plate
To ensure these oil pressures, a regulating orifice plate is fitted in the oil
inlet of the turbocharger. The orifice is installed by the enginebuilder and
it is fixed in place with a locking ring.
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