OPM 260 en-GB
21
©
Scania CV AB 2021, Sweden
Starting and running
Oil pressure
Normal oil pressure during operation is 3-6 bar
(43.5-87 psi). The lowest permitted oil pressure
when idling is 0.7 bar (10.2 psi).
The engine management system issues an alarm
when the oil pressure has been under the limit
value for over 15 seconds, at the following limit
values:
•
At an engine speed below 600 rpm and an oil
pressure below 0.7 bar (10.2 psi).
•
At an engine speed below 1,200 rpm and an
oil pressure below 1.85 bar (26.8 psi).
•
At an engine speed above 2,100 rpm and an
oil pressure below 2.8 bar (40.6 psi).
With engine speeds between these limits, the en
-
gine management system issues a low oil pres
-
sure alarm at an interpolated value of the two
closest engine speeds above.
The incorrect oil pressure alarm has the follow
-
ing functions:
•
Alarm only.
•
Alarm and torque reduction by 30%.
•
Alarm and engine shutdown.
•
Alarm and engine shutdown override control.
Note:
High oil pressure (above 6 bar/87 psi) is normal
if the engine is cold when started.
Charging indicator lamp
If the lamp comes on during operation: Check
and adjust the alternator drive belt according to
the instructions in the section
Checking the drive
belt
.
If the charging indicator lamp is still on, this
could be due to an alternator fault or a fault in the
electrical system.
Belt transmission
When the belt transmission is new, it may make
a squeaking noise when running. This noise is
normal and disappears after 50-100 hours of op
-
eration. The noise does not affect the service life
of the belt transmission.