Wel-Bilt 21403 Owner's Manual page 7

7. If the outer flange is tight, depress the spindle lock button at the top of the gear box housing
and rotate the spindle until it locks in position. Once the spindle is locked and cannot be
rotated, use the pin wrench supplied to loosen the outer flange. Fig A
8. Remove the grinding disc from its envelope.
9. Hold the Angle Grinder with the spindle facing upwards and make sure that the inner flange
is on the spindle and located correctly.
The two machined flat sections on one side of the inner flange must face the Angle Grinder
and locate in the appropriate position on the spindle. Fig B
10. Insert the grinding disc onto the Angle Grinder spindle with the disc label facing the Angle
Grinder. The hole in the disc should be located onto the spindle. Ensure that the hole in the
disc locates and fits firmly into the ring section of the inner flange. Fig C
11. Screw the outer flange onto the spindle with the protruding ring section facing the Angle
Grinder. This ring section must locate with the hole in the grinding disc. Fig D
12. Tighten the outer flange by locking the spindle and tighten with the pin wrench provided. Fig
E
13. To remove the disc, first lock the spindle and loosen the outer flange with the pin wrench.
Thereafter, remove the outer flange and the grinding disc. Fig E
14. Regularly check that the outer flange has not loosened during use.
Attaching a wire wheel
1. When fitting the wire wheel, the ring section on the outer flange should face into the wheel.
Similar to when fitting a grinding disc.
Attaching a sanding accessory
1. Remove the inner and outer flanges.
2. Screw the backing wheel of the sanding accessory onto the Angle Grinder spindle.
3. Select the sandpaper with the correct grit for the task.
4. Place the sandpaper on the backing wheel and then thread the paper retaining nut on and
tighten using the pin wrench whilst depressing the spindle lock.
Attaching the auxiliary handle
The auxiliary handle should be assembled to the Angle Grinder prior to use.
This is done by screwing the threaded end of the auxiliary handle firmly into the handle mounting
points on the alloy gear case of the Angle Grinder. Fig F
The auxiliary handle can be fitted to the left or right side of the Angle Grinder to maximize user
comfort according to the type of application being undertaken.
Choose the most appropriate position considering user comfort (preferred hand) and the task at
hand.
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