OPERATING INSTRUCTIONS RH120E Inspection and servicing Changing the gearbox oil Gearbox housing, draining off oil Prepare a collecting recipient for used oil. Choose the required capacity in accordance with the "Refilling quantities - Oil" table. Unscrew caps (7, Fig. 3-121:) from expansion reservoirs (5). Oil will escaping faster then. Attach hose (3, Fig. 3-119:) to drain valve (2) and drain off oil completely. The use of the oil draining hose is described in the "Hose line for oil and cooling liquid change" chapter. The drain valve (2, Fig. 3-120:) is accessible from the undercarriage. Remove oil draining hose. The oil drain valve closes automatically. Screw on protection cap to the drain valve. Fig. 3-119:
Gearbox housing, filling in new oil / topping up Unscrew caps (7, Fig. 3-121:) from expansion reservoirs (5) and fill in new gearbox oil. The expansion tanks must be filled with oil up to abt. 1/3. The oil level is visible from outside (light/dark area). Screw caps (7) back in place.
Fig. 3-120:
Fig. 3-121:
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BA RH120E(3 725 023.00)-EN
