Volvo Penta AQUAMATIC 280 Workshop Manual page 25

Removing the sterndrive
3. Remove the Allen-head bolts holding the zinc ring
and remove it.
4. Remove the oil drain plug and drain off the oil. Also
remove the oil dipstick to facilitate the oil drainage.
Replace the O-ring on the drain plug and on the oil
dipstick.
5a. Sterndrive models 280 and 285: Remove the
cover (1) over the shift mechanism and disconnect
the shift cable from the shift plate and remove the
swivel. Then remove the shift cable locking plate (2).
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5b. Sterndrive model 290: Remove the cover over
the shift mechanism and disconnect the shift cable
from the shift plate and remove the swivel. Remove
the screws holding the locking plate, then push the
locking plate down.
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6a. Sterndrive models 280 and 285:
IMPORTANT! Carefully check the rubber bel-
lows for possible damage and also check that
the hose clamps are properly tightened.
NOTE! The universal joint bellows and its hose
clamps should be replaced every other year. Contact
an authorized service workshop and let them do the
checking and replacing of the rubber bellows.
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