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Operation Manual / TPR56-F + TPR61-F
3 Start-up / commissioning / 3.1 Oil supply
© Copyright 2018 . All rights reserved.
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
Admissible, for normal operation
Admissible, during engine warm-up
Temporarily admissible ( < 1 h ) -> alarm
Not admissible -> emergency stop
Admissible, during pre-lubrication and post-lub-
rication (engine stopped)
Oil orifice
A metering orifice is installed in the oil inlet of the turbocharger to en-
sure these oil pressures. The orifice is installed by the enginebuilder and
it is fixed in place with a locking ring.
HZTL2499_EN
Oil pressure [bar]
1.0 ... 2.5
1.0 ... 5.0
0.8 ... 1.0
0.0 ... 0.8
0.2 ... 2.5
Revision F
December 2018
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