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Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
3 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
Permissible, for normal operation
Permissible, during engine warm-up
Temporarily admissible ( < 1 h ) -> alarm
Not permissible -> emergency stop
Permissible, during pre- and post-lubrication
(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.
HZTL2498_EN
Oil pressure at measuring
point M
p
[bar]
oil,in
1.3 ... 2.5
1.3 ... 5.0
1.1 ... 1.3
0.0 ... 1.1
0.2 ... 2.5
Revision C
April 2018
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