Volvo Penta AQUAMATIC 280 Workshop Manual page 61

Repair instructions
24. If the dye pattern reflects a contact pattern as
shown in picture "C" the shim thickness underneath
the drive gear (double bearing box) must be in-
creased. The drive then moves away from the cent-
er.
NOTE! If the drive is moved in or out respectively,
also the gears must be moved in or out in order to
maintain the correct backlash. Having obtained the
correct backlash and dye pattern, the upper gear
must be dismantled and the marking dye removed.
All bearings and screws must be lubricated prior to
assembly, which is carried out after the recondition-
ing of the universal joint.
58
Final assembly
1. Install the lower gear along with the calculated
number of shims.
2
1
2. Install the washer (1), the locking ring (2), the
spring (3) and the engagement sleeve (4) onto the
shaft (5).
NOTE! The end of the engagement sleeve marked
'TOP' must be facing upwards on the shaft. On earli-
er models there is a drilled recess, which must be
turned upwards. The engagement sleeve must rest
lightly on the spring. Feel by hand to make certain.
3
4 5
TOP