Clarke SCRUBTEC 743L User Manual

How To Remove Rotary Brush or Pad Driver (if
equipped)
To remove the brush or pad driver from the machine, follow
this procedure:

1. Turn the key switch clockwise ("L" models only).

Press the green "ON" button.

2. Raise the brush head by pressing and holding the

brush up  switch until brush head is in it's full up and
rotated position.

3. Press the red "OFF" button or turn the key switch

counterclockwise on machines equipped with key.

4

To remove brush, rotate brush in the same direction
to scrub rotation with a quick snapping action until
brush releases (See Figure 21).

5. Reinstall  brush housing if removed.

How To Change Or Rotate Cylindrical Brushes (if
equipped)
To install or rotate brushes on the machine, follow this
procedure:

1. Turn the key switch clockwise ("L" models only).

Press the green "ON" button.

2. Raise the brush head by pressing and holding the

brush up  switch until brush head is in it's full up and
rotated position.

3. Press the red "OFF" button or turn the key switch

counterclockwise on machines equipped with key.

4

Go to front of the machine and remove thumb screw
from brush door (See Figure 22).

5. Lower door approximately 1/2 inch and slide door

and bearing assembly off shaft (See Figure 23).

6. Remove brush spacer and brush by sliding off of

brush shaft (See Figure 24).

7. Rotate brush or replace.

8. Slide brush on shaft and rotate slowly until drive pins

are lined up with brush slots.  Push brush all the way
in.

9. Install brush spacer on shaft.

10. Slide brush door bearing assembly on shaft.

11. Raise door and install thumb screw.