Vetus M4.55 Operation Manual page 46

4 Maintenance
VD01151
27 Draining the oil
Drain the oil with the aid of a separate
sump pump.
Insert the suction hose of the sump pump
in the dipstick hole. Push down the pump
handle quickly and pull it up slowly.
Remove the sump pump when all the old
oil has been pumped out.
44
VD01153
Or, if sufficient space below the gearbox is
available, oil can be drained by removing
the drain plug.
Collect the oil in a dripping pan.
Changing the gearbox oil (ZF-Hurth)
Every 500 operating hours.
22
VD00644
28 Changing the oil filter
The filter element must be replaced at the
same time as the oil.
Turn the screw that holds on the filter
cover to the left and remove the filter from
its housing. Use an Allen key for this.
6