To replace the upper thrust bearing, proceed as follows:
3.
Loosen the upper thumb screw
.
4.
Unscrew the upper Allen bolt
with the supplied 3
mm Allen key.
Note: Hold the micro adjust nut while unscrewing the
Allen bolt
.
1.
Pull up on the tension lever toward the left (90º
position)
to loosen the tension on the blade.
Note: It may be necessary to also turn the tension knob
counter-clockwise for the blade to be loose enough
so you can easily move it out of the way.
2.
Open the upper wheel cover door then unscrew
the four Phillips head screws
and remove the
blade-guard .
5.
Remove the thrust bearing and mounting shaft.
6.
Use C-ring pliers to remove the "C ring"
and slide
the bearing off the shaft
.
7.
Install a new bearing on the mounting shaft
8.
Re-install the C-ring.
9.
Put the bearing and mounting shaft back in place, re-install the Allen bolt and tighten the upper thumb screw.
10.
Re-install the blade-guard.
Note: After the upper blade guides and thrust bearing have been changed, always verify the lower blade guides and thrust
bearing. If needed, replace them, proceeding in the same way as with upper blade guides and thrust bearing.
27
Содержание 90-200 M1
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