MAINTENANCE
BG 25 / 2011 /
2254_BG25_en_0000498763_V01
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9.11.4
Crawler Drive Gears
9.11.4.1 Checking the Oil Level
Check the oil level every 250 operating hours or monthly.
Move machine until oil drain plug (2)
on crawler drive wheel is in lowermost
position.
Unscrew inspection / filler screw (1)
together with seal (if equipped).
The oil must reach the lower edge of
the filler opening; top up with oil as
necessary.
Clean inspection / filler screw and
sealing surfaces on housing, and re-
place with new seals as necessary.
Reinstall the inspection / filler screw
with new seal and tighten.
1
3
2
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9.11.4.2 Changing the Oil
The oil must be changed after the first 250 operating hours or one month. Subsequent
oil changes are due every 1000 operating hours or once a year at least.
Move machine until oil drain plug (2)
on crawler drive wheel is in lowermost
position.
Unscrew inspection/filler screw (1)
together with seal (if equipped).
Place an oil collecting container un-
derneath the drain.
Unscrew the drain plug (2) and let the
oil out.
Clean screw and plug and sealing sur-
faces on housing.
Reinstall drain plug with new seal and
screw tight.
Refill with new oil to proper level.
Reinstall inspection/filler screw with
new seal and screw tight.
1
3
2
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