OPERATING INSTRUCTIONS RH 90 C E Inspection and servicing TRAVEL GEARBOX Read and observe: "Inspection and servicing - Safety instructions.
Switch off the electric motor The gearbox housings may be hot, too. Secure the machine as described in the "Securing the machine" section.
Travel gearbox - Changing oil  Park the machine as described under "Securing the machine".  Move the excavator in such a position that the drain plug (3, Fig. 3-75:) is in the bottommost postion  Place a collecting recipient for used oil under the travel gearbox. Choose the required capacity in accordance with the "Refilling quantities - Oil" table.
Protect the skin from contact with gearbox oil.
 Unscrew drain plug (3) and drain off the oil completely.
Skin contact with cooling liquid is a potential health hazard.
 Screw drain plug (3) back in place.
Wear protective gloves and firm working clothing.
Gearbox - Checking the oil level / Topping up with oil Park the machine as described under "Securing the machine".
Filling in oil  See chapter "Gearbox - Checking the oil level / Topping up oil".
 Move the excavator into such a position that the checking plug (2 Fig. 3-75:) is in the displayed horizontal position.  Unscrew checking screw (2). The oil level should reach up to the lower edge of the opening. Top up with oil, if required.  Screw checking plug (2) back in place.
Fig. 3-75:
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BA RH90C(3 720 760.00)-EN
