OPERATING INSTRUCTIONS RH RH170

Inspection and servicing

Main filter elements, removal and installation

 Unscrew nut (1, Fig. 3-48:) and remove cover (2).

 Unscrew nut (4) and withdraw main filter element (5). Do not loose the washer under nut (4).

 Replace or clean main filter element.

During the removal of the main filter element, the safety element (7, Fig. 3-49:) must remain in the filter housing.

New or cleaned main filter elements should always be at hand to shorten excavator downtimes.

Before installing the filter element, clean contact faces at cover (2, Fig. 3-48:) and at filter housing.

 Put on cover (2) and tighten nut (1).