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Maintenance and Service
8.5
8.5
Hydraulics
8.5.1 Slewing housing: checking the oil
level/oil change
Checking the oil level in slewing housing
1. Check if the oil level in the level glass
①
is
between the maximum and minimum lev-
els.
2. If the oil level is below the minimum level:
Remove the plug
③
.
3. Top up through the hole for the measuring
stick with transmission oil of type MIL-L-
2105C or API-GL-5, viscosity SAE-80W-
90
Changing oil in the slewing housing
Change the oil in the slewing house yearly!
1. Remove the hose coupling
②
from the
level glass.
2. Remove the plug
③
.
3. The slewing housing contains about 13
litres (3.43 gallon). Use a container with
sufficient capacity to receive the oil. Drain
off the oil through the filling hose
②
.
4. Attach the hose coupling
②
to the level
glass.
5. Refill through the filling hole
③
, with
transmission oil of type MIL-L-2105C or
API-GL-5, viscosity SAE-80W-90.
6. Refit the plug
③
.
7. Slew the crane, after filling to the end
positions, three times.
8. Check the oil level. If necessary top up
again.
90
Operator's Manual GB