MAINTENANCE
55
6100E 330250 (9--02)
4. Grasp the main brush; pull it off the brush
drive plug and out of the main brush
compartment.
5. Put the new or rotated end-for-end main
brush on the floor next to the access door.
6. Slide the main brush onto the drive plug.
Rotate the brush until it engages the drive
plug, and push it all the way onto the plug.
7. Check that the recirculation skirt is tucked in
behind the frame.
8. Slide the main brush idler arm plug onto the
main brush.
9. Secure the idler arm on the bolts. Hand
tighten the mounting knobs.
10. Close the main brush access door.
CHECKING AND ADJUSTING MAIN BRUSH
PATTERN
1. Apply chalk, or some other material that will
not blow away easily, to a smooth, level
floor.
2. Raise the side brush and main brush and
position the main brush over the chalked
area.
3. Start and lower the main brush for 15 to 20
seconds while keeping a foot on the brakes
to keep the machine from moving.
NOTE: If chalk or other material is not available,
allow the brushes to spin on the floor for two
minutes. A polish mark will remain on the floor.
4. Raise the main brush.
5. Drive the machine off the test area.
