OPERATING INSTRUCTIONS RH RH170

Inspection and servicing

Stand working equipment on the ground as shown on the sign (Fig. 3-79:).

Sign (2, Fig. 3-80:) is attached beside the inspection glass tube (1).

Hydraulic oil (oil grade see: "Refilling quantitiesOil") can also be filled in by means of the service station (Fig. 3-82:).

 Unscrew cap of express coupling (10). Connect filling hose express coupling of the service vehicle.

The use of the hose line is described in the "Hose line for oil and cooling liquid changes" section.

 Fill in hydraulic oil until the oil level lies between the ½ and the ¾ marks of the inspection glass (1, Fig. 3-80:). The acoustic warning signal “Travel Alarm” sounds.

 Unscrew the hose line; the express coupling closes automatically.

 Screw protective cap back in place.

Fill in hydraulic oil through the return-flow filters:

 Remove cover (19, Fig. 3-81:).

 Fill in hydraulic oil through the opening until the oil level lies between the ½ and the ¾ marks of the inspection glass (oil grade see: "Refilling quantities - Oil").

 Before fitting the cover (19), check the sealing ring and replace, if damaged.

 Fit cover together with sealing ring.