ABB TPL67-C33 - Page 36

Operation Manual / TPL67-C.. - TPL71-C..
Commissioning
3
Oil supply
3.1
Page 34
© Copyright 2017 ABB. All rights reserved.
February 2017 HZTL2488_EN Revision D
Oil pressure
The oil pressure in front of the turbocharger must be maintained precisely
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-lubrication
(engine stopped)
0.2 … 2.5
NOTICE
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.