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101
Maintenance and Service
Operator's Manual GB
8.5.2
Changing oil in the slewing housing
Change the oil in the slewing house yearly!
1. The slewing housing contains about 15
litres (3.96 gallon). Use a container with
sufficient capacity to receive the oil. Drain
off the oil through the drain plug.
2. Refill through the hole for the measuring
stick, with transmission oil of type MIL-L-
2105C or API-GL-5, viscosity SAE-80W-
90.
3. Slew the crane, after filling to the end
positions, three times.
4. Check the oil level. If necessary top up
again.
8.5.2 Replacing the cartridge in return
oil filter
Return oil filter with fouling indicator
WARNING
Dirt will damage the hydraulic system
Make sure that the area around the filter is clean
to prevent contamination of the hydraulic oil.
1.
Unscrew and remove the cover
①
2.
Unscrew and take out the cartridge
②
3.
Check the condition of the o-rings and
gaskets. Replace if necessary.
4.
Fit the new cartridge.
5.
Replace the cover
①
.
! NOTE
Check that the cover is properly fitted.