Grinding And Balancing Blades - Jonsered FR2312M Workshop Manual

Repair instructions
7 The whole bearing package is available as a
complete kit with shaft housing, shaft and
bearings.
Assembly is done in reverse order to dismantling.
The blade bolt tightening torque is 45-50 Nm
(32-36 lb ft).
6.23 Grinding and Balancing
Blades
WARNING!
Use glove to protect hands when
working on the blades.
1 Remove the blades as described in the previous
section.
2 Fasten the blades in a vice and sharpen with a
file.
42 – English
3 Balance the blades as follows:
• Put e.g. a drift horizontally in a vice as illustrated.
• Insert the end of the drift into the center hole of the
blade and check that the blade is in equilibrium.
The illustration shows a blade that requires
adjustment, it must be grinded more to attain the
right balance (at the arrow).
• Assembly is done in reverse order to removal.
WARNING!
If the blade is cracked from
incorrect repair or other damage,
it can break when being used.
The risk of blade fracture
increases if it is not balanced
correctly.