OPERATING INSTRUCTIONS Inspection and servicing TRAVEL GEARBOX
Travel gearbox - Changing the oil 2804434
Read and observe: "Inspection and servicing - Safety instructions.
Shut off the engine The gearbox housings may be hot, too. Secure the machine as described in the "Securing the machine" section. Protect the skin from contact with gearbox oil. Skin contact with cooling liquid is a potential health hazard.
Ü Park the machine as described under "Securing the machine". Ü Place a collecting recipient for used oil under the travel gearbox. Choose the required capacity in accordance with the "Refilling quantities - Oil" table. Ü Unscrew lower plug (6) and drain off oil completely. Screwing out the upper plug facilitates draining off the used oil. Before filling in new oil, screw lower plug (6) back in place.
Filling in new oil / Topping up
Wear protective gloves and firm working clothing.
Ü Unscrew upper plug (6) and fill in new oil through the borehole until the oil level reaches up to the lower edge of the opening.
Gearbox - Checking the oil level / Topping up with oil
Gearbox venting
Ü Park the machine as described under "Securing the machine". Ü Move the excavator until one of the two drain plugs (6, Fig. 3-73:) is at the bottom and screw out the upper plug. The oil level should reach up to the lower edge of the opening. Top up with oil, if required.
Fig. 3-73:
3-72
The gearbox is vented through breather filter (2, Fig. 3-74:). Clean / change breather filter in accordance with the servicing plan. Ü Unscrew breather filter, clean in white spirit or paraffin oil and blow dry with compressed air. Ü Screw breather filter back in place.
Fig. 3-74:
BA RH30F(3 663 960.00)-EN
