Changing a grinding wheel

Operation

 

FIG. 9

IMPORTANT: Prior to changing a wheel, ensure the

 

 

 

grinder is turned off and the power plug is removed

 

 

 

from the socket. Make sure that the replacement

 

 

2

wheel is rated at 3500 RPM or higher.

 

 

 

1.Loosen and remove the 3 bolts (1) on the wheel

 

 

 

guard (2), as shown in figure 9.

 

 

 

 

2.Remove the wheel guard.

 

 

 

 

3.To prevent wheel rotation, place a wood wedge (3)

 

 

1

between the grinding wheel and the tool rest (Figure

 

 

10).

 

 

 

 

4.Remove the locking nut (4) (see note below for

 

 

 

correct direction of rotation), outer flange

(5) and

 

 

 

the wheel (6).

 

 

 

 

Note: The wheel on the left-hand side of the bench

FIG. 10

 

 

grinder has a left-hand thread and is unscrewed in a

 

 

 

clockwise direction. The wheel on the right-hand

 

 

 

side of the bench grinder has a right-hand thread

 

 

 

and is unscrewed in an anti-clockwise direction.

 

 

3

5.Fit the replacement wheel (6) and outer flange (5)

 

 

on the shaft ensuring that there is a blotter between

 

 

 

the wheel and the flanges on each side of the

 

 

 

wheel. Ensure the wheel is a slide fit (not loose) on

 

 

 

the spindle (Figure 11).

 

 

 

 

6.Replace the grinding wheel nut (4) and tighten.

 

 

 

(See the note above regarding the direction of

 

 

 

rotation of the nut).

 

 

 

 

7.Replace the wheel guard.

 

 

3

 

8.Reinsert the 3 bolts (1), washers, lock washers,

 

 

nuts, and tighten wheel guard in place.

 

 

 

 

9.Re-adjust the tool rest, spark deflector and eye

 

 

 

shield.

 

 

 

FIG. 11

10. Rotate the wheel by hand to check for free

 

6

 

movement and proper adjustments.

 

 

 

11. Plug in the bench grinder, put on eye protection,

 

 

 

stand to one side and run the grinder at full speed

 

 

 

for several minutes

 

 

 

 

7

5

4

 

13.

Page 13
Image 13
Skil 3380-01 manual Changing a grinding wheel