Changing the gearbox oil (ZF-Hurth

6 Maintenance

28 Draining the oil

Drain the oil with the aid of a separate sump pump.

• Remove the dipstick.

• 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. Or, if sufficient space below the gearbox is available, oil can be drained by removing the drain plug.

• Remove the fillercap to vent the gearbox and check if all oil has been drained

• Collect the oil in a dripping pan. • 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.

22

Changing the gearbox oil (ZF-Hurth)

Every 400 operating hours.

29 Changing the oil filter

6 Maintenance

3

2

1

• Withdraw the filter element (1).

• Check the O-rings (2 and 3) for damage and replace if necessary.

• Install the new filter and mount the unit on the gearbox.

For filter element art. code see page 120.

30 Filling with new oil

• Refill the gearbox to the correct level via the dipstick opening.

For oil specification see page 108. In case your engine is equipped with another brand of gearbox follow the instructions given in the supplied owners manual for changing oil and other care and maintenance.

Changing the gearbox oil (ZF-Hurth)

Every 400 operating hours.