Maintenance
105
•
Screw on the new suction filter by hand.
•
Refill hydraulic oil (page 105).
•
Install the return filter (page 103).
Draining and topping up hydraulic oil
Pay attention to utmost cleanliness when servicing the hydraulic system.
This service may only be carried out after the hydraulic oil has cooled down.
The suction filter must be changed along with the hydraulic oil.
•
Operate the boom, arm, bucket and boom swing mecha-
nism so that all hydraulic cylinders are extended half way.
•
Open the side cover (page 83).
Draining the hydraulic oil
•
Place a container with a minimum capacity of 50 L under
the hydraulic oil drain plug.
•
Remove the drain plug (1) and drain the hydraulic oil.
•
Install the drain plug with a new o-ring on it.