Oil Pressure - Scania DC12 Operator's Manual

Oil pressure

Maximum oil pressure:
warm engine running at a speed above 800 rpm
Normal oil pressure:
warm engine at operating speed
Minimum oil pressure:
warm engine running at a speed of 1,000 rpm
The control system has the following alarm levels:
- at a speed of less than 1,000 rpm and an oil pressure of less than 1.0 bar
- at a speed of more than 1,000 rpm and an oil pressure of less than 2.3 bar
for longer than 5 seconds.
The following functions are available if there is an alarm:
- Alarm which only switches on the warning lamp and diagnostics lamp.
- Alarm which switches on the warning lamp and diagnostics lamp as
well as torque reduction if this function is activated (70% of fuel
quantity).
A fault code is generated in the control unit.
- Alarm which switches on the warning lamp and diagnostics lamp. The
engine is switched off if engine shutdown is activated. If the override
function is activated, only torque reduction takes place when this
function is activated.
A fault code is generated in the control unit.
After an alarm, approved values should be registered for more than
1 second to reset the alarm.
28
6 bar
3-6 bar
2.3 bar
© Scania CV 2009
High lubricating oil pressure
(above 6 bar) is normal when
starting a cold engine.