Alamarin Jet COMBI-FRAME AJ 285 Repair Manual page 13

Main shaft and bearing
Repair manual
Support ring F (figure 9) is attached to the shaft with a crimped joint. It can
be removed by heating, for example. Parts A and B (figure 9) are removed by
pushing them from the bearing side.
O-ring
An o-ring is used as sealing between the bearing housing and the jet's frame
(figure 10).
Figure 10. O-ring
When opening the bearing housing, there may be small amounts of white oil in
the rubber bellows of the mechanical seal and the joint surface of the slip-ring.
This is a sign of water in the bearing housing. This is completely normal and
will not cause any problems. When the shaft rotates, the oil circulates through
the oil reservoir and the water gathers at the bottom of the reservoir.
Shaft seals
A shaft seal that seals the front end of the bearing housing is attached to the
bearing housing cover. The seal lip rubs against the surface of the drive flange.
The shaft seal (figure 11, point B) is inside the bearing housing cover. The
shaft seal is locked in place with a retainer ring (figure 11, point A) and it can
be replaced without detaching the bearing housing from the frame.
KM/285/EN/1.1.0 9