ABB TPL65VA33 - Page 38

Operation Manual / TPL65VA32/33
Commissioning
3
Oil supply
3.1
Page 36
© Copyright 2015 ABB. All rights rese
rved.
September 2015 HZTL2464_EN Revision C
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
connection) on the turbocharger are listed below.
Status for operation
Oil pressure in front of the
turbocharger [bar]
Permissible, for normal operation
1.3 … 2.5
Permissible, during engine warm-up 1.3 … 5.0
Temporarily permissible ( < 1h ) ->
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
To make sure these oil pressures are obtained, a regulating orifice is
fitted in the turbocharger oil inlet. The orifice is fitted by the engine
builder and secured by a safety ring.