MAINTENANCE AFTER THE FIRST 50 OPERATING HOURS
7-33
REPLACING THE OIL FILTER CARTRIDGE
11. Turn the filter screwdriver counterclockwise to unscrew the
filter cartridge (1).
12. Clean the filter holder. Completely fill up the new filter car-
tridge with engine oil. Slightly oil both the gasket and the
thread of the cartridge with engine oil. Screw in the filter car-
tridge again.
13. When installing the filter cartridge, make sure that the seal-
ing surface of the cartridge slightly touches the filter holder.
Then, tighten the filter cartridge according to the filter manu-
facturer's specification.
14. After replacing the filter cartridge, fill in clean engine oil until
the oil level reaches up to the (H) marking on the oil dipstick.
For details on recommended engine oils see section "Lubri-
cants and Operating Agents".
15. Close the oil filler (2).
16. Let the engine run in idle for about five minutes and check
whether oil is leaking out.
17. Switch off the engine.
18. Wait about ten minutes, then check the oil level again. The
oil level must be between the 'H' and 'L' markings on the oil
dipstick.
For further details see section "Maintenance Prior to Start".
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