24
10. Maintenance - cont.
6. Taking a suitable drift such as a brass rod or
piece of timber and a mallet drive the spindle
from the back bearing through the headstock,
Fig.10.6A
. If you are not replacing the bearings
take care not to damage the bearing itself,
ensure you only strike the spindle. The white
circle,
Fig.10.6B
. indicates the division between
the spindle and bearing.
Note: Ensure you only strike the edge of spindle
taking care not to damage the threaded part in
the centre,
Fig.10.6C
.
7. The spindle should appear from the main
headstock casting,
Fig.10.7
.
Note: If you are only changing the drive belt
there should now be a sufficient gap to do so.
When you have placed the new belt on the
spindle pulley proceed to step 13.
8. Remove the spindle from the headstock and
take out the pulley.
9. Using a suitable brass rod or piece of timber
knock out the back bearing using a mallet,
Fig.
10.8
. This back bearing should now be removed.
10. Now that the back bearing has been
removed, pass a piece of timer or brass rod
through from the other direction and knock out
the front bearing
Fig. 10.9
.
11. The new front and back bearings can now
be fitted.
12. Offer the bearings into position and knock
them back into place until they seat against the
circlip
Fig.10.10A
. Repeat this process to fit the
back bearing
Fig.10.10B
.
13.Screw the thread protector back on to the
spindle. It is now ready to be fitted in
the headstock.
Fig.10.6A
Fig.10.7
Fig.10.8
Spindle & back
bearing
Fig.10.9
Fig.10.10A
Fig.10.10B
Fig.10.11
Fig.10.6B
Spindle
Bearing
Fig.10.6C
