Swing Arm Bearing Assembly - Confused!

D

Dale

Senior member
Location
Malta
I have been looking at the components of the roller bearing swing arm, and am a bit confused about the spacer tube that runs between the bearings, through the middle of the swing arm.

The green book, the factory manual, and the Laverda Paradise website all agree on the components, but:

-If there are washer-type stoppers in place medial to both bearings, why do we need the spacer (or vice-verse)?
-Would the spacer not block the grease nipple?

Dale
 
Dale, I'm no mechanic, but I think that the spacer may serve to distribute the grease..? Can you imagine how much grease would be required to fill the swingarm tube.. :o... as well as hopefully providing some support for the inner shims in the case of  'end-float' of the swingarm as wear occurs..?

But who knows mate, there are probably just some simple engineering rules in play for all of it. Why indeed do we fit the spacer in the wheels..??, just prior to fitting the bearing cup, and fit then fit the bearings..

It just may be the Laverda way of things...

8)



 
The central spacer bears on the 2 inner spacers (one each side) so that when you tighten up the swingarm spindle you don't crush the frame.
The inner spacer sits on the 2 cup washers so it is centralised in the bore when you fit and remove the spindle.

Grease under pressure will find a way into everything in there.
 
fun can come when the nylon outer washers are put in place if your frames been powercoated there and closed the gap up.
 
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