Maintenance and Service
CVR gearbox (Traction drive)
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Proceed as follows for an oil and filter exchange:
– Clean before oil change wide area around the intake and pressure filters.
– Change oil only with gears warm after operation.
– Put an oil-resistant collecting vessel of sufficient size underneath.
– Unscrew the closing cap at the oil drain valve (3).
– Screw on the provided oil drain hose. The valve opens and the old oil drains.
– Clean the magnetic screw (8) from metal debris. Then, reinsert the screw and
tighten it.
– Remove the screw cap (5) of the suction hose from the filter connection. For this
purpose, you need a fork spanner SW 32.
– Loosen the hexagonal bolt connection (6) on the filter flange. The bolt connection
must only be loosened. In no case totally screw off this bolt connection. For this
purpose, you need a fork spanner SW 46.
– Screw out the 4 bolts (SW13) on the filter flange (7) and pull out the filter insert.
– Exchange the filter element for a new one (ROPA item no. 181060100). For instal-
lation always use a new paper gasket (ROPA item no. 181051700) and a new O-
ring (ROPA item no. 412059500). Before assembly, coat them with some oil.
– Retighten the flange (7) and hose line (6/5).
– Screw the pressure filter bowl (9) with the SW24 spanner out of the gear steering
unit (10) and exchange the filter insert for a new one (ROPA item no. 270044200).
– Also exchange the O-ring at the pressure filter bowl (9) for a new O-ring.
– At first screw the pressure filter bowl (9) completely into the steering unit (10), in
order to unscrew it then by one sixth revolution.
– Unscrew the oil drain hose again and screw on the screw cap on the oil drain valve
(3) again.
– Open the oil filler screw (4) and fill in fresh oil into the filler neck for so long, until
the oil level is in the upper range of the inspection glass (2).
Prescribed oil variants: Gear oil ATF
ATF oil as per Dexron II D
Filling volume: approx. 8.25 litres
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