Volvo Penta AQUAMATIC 280 Workshop Manual page 91

Repair instructions
9. Knock out the 2 sealing rings (1) off the propeller
bearing housing.
The vertical shaft
10. Fold down the tab on the locking washer (1) and
remove the nut holding the pinion to the vertical drive
shaft.
2
3
11a. Models 280 and 290 of earlier manufacture
and model SP: Fold down the tab of the locking
washer (1) and remove the round nut (2). Remove the
locking washer and the spacer ring (3).
88
1
1
1
11b. Models 280, 290 of later manufacture: Lift the
gear housing off the special tool and place it back in
the work stand. Remove the nylock® nut with a hook
spanner wrench.
884267
884830
12. Use special tools 884267 and 884830 to remove
the pinion.