Service procedures - lubrication system Group 22
82
Service procedures
Lubricating oil pressure,
checking
Special tools: 999 6591, 999 6398
Oil filters, replacing
Special tools: 999 9179
1
Lubrication oil pressure is checked by connecting the pres-
sure gauge and hose to the connection on the oil pressure
contact. With hot engine and at operating speed, the oil pres-
sure should be 300-500 kPa (43,5-72,5 psi). At engine idling
speed, the oil pressure should be min. 150 kPa (21.75 psi).
1
The engine must always be washed prior to starting repairs.
Clean around the filter bracket and remove the 3 filters us-
ing tool 999 9179.
2
Moisten the seals of the new filters with oil and screw the fil-
ters on by hand until the seals are in contact with the filter
bracket. Then tighten the filters by hand a further half turn.
Note: Install only Volvo oil filters type ”Long Life.” The
oil filters must not be damaged. If the filter is dented, it
may crack, resulting in engine breakdown.
3
Fill the engine with oil. Crank the engine with the stop button
depressed or the stop control pulled out until oil pressure is
recorded by the pressure gauge.
Note: Cranking the engine with the stop control pulled out
applies when replacing filters and oil cooler or other compo-
nents of the lubricating oil system.
Start the engine and check for leaks around the oil filters.
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