23
CAUTION!
Before carrying out any adjustments or
maintenance ensure that the machine
is isolated and disconnected from the
electricity supply.
Please note: The procedure for changing
a belt and changing a bearing are similar
and both operations are covered in the
following instructions. For replacing
only one of these parts, follow these
instructions simply omitting the part not
being replaced.
PROCEDURE FOR REPLACING
BELT & BEARINGS
Please note as well as the tools supplied with
the product you will also need a wooden or
nylon mallet to carry out this procedure.
1. Remove headstock cover plate,
Fig. 10.1A
.
and thread protector,
Fig. 10.1B
.
2. Release belt tension lever,
Fig. 10.2
.
3. Supporting the motor with one hand Remove
the drive belt from the motor pulley,
Fig. 10.3
.
Lower the motor and tighten the tension lever.
4. Unscrew the Allen bolt and remove this with
the washer from the end of the spindle,
Fig. 10.4
.
5. Remove the top grub screw from the spindle
pulley. Loosen the bottom dog grub screw a
few turns so that the pulley will slide freely
along the full length of the spindle inside the
headstock,
Fig. 10.5
.
10. Maintenance
i
Kg
i
Kg
Fig. 10.0
Cross Section of Spindle & Bearing Assembly
Top
Grub
Screw
Spindle
Wrench flat (to aid removal of
accessories from spindle nose)
Back
bearing
Large
Washer
Allen
Bolt
Bottom
Grub
Screw
Fig.10.1A
Fig.10.1B
Fig.10.4
Fig.10.5
Fig.10.2
Fig.10.3
Bolt & Washer
End of spindle
Back
bearing
Tension
lever
Thread
protector
