MAINTENANCE
3-51
285 MM191 (6---90)
8. Slide the main brush onto the drive plug.
Rotate the brush until it engages the drive plug
and push it all of the way onto the plug.
A
00600
MAIN BRUSH DRIVE PLUG
A. Brush Drive Plug
9. Slide the main brush idler plug onto the main
brush.
10. Slide the brush idler arm onto the arm hub.
11. Thread the brush idler arm retaining bolt
through the idler arm and into the arm hub.
Tighten the retaining bolt.
12. Close the right side main brush door.
13. Check and adjust the main brush pattern as
described in
TO CHECK AND ADJUST MAIN
BRUSH PATTERN.
TO CHECK AND ADJUST MAIN BRUSH PATTERN
1. Apply chalk, or some other material that will not
blow away easily, to a smooth, level floor.
2. With the side brush and main brush raised,
position the main brush over the chalked area.
3. Place the hopper lift and side brush lever into
the (Side Brush On) position, and the main
brush, vacuum fan and filter shaker switch into
the bottom (Main Brush On) position.
4. Place the main brush position lever in the (Main
Brush Down) position for 15 to
20 seconds while keeping a foot on the brakes
to keep the machine from moving. This will
lower the rotating main brush.
5. Place the main brush position lever in the (Main
Brush Up) position.
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.
6. Drive the machine off the test area.
7. Observe the width of the brush pattern. The
proper brush pattern width is 2.5 in (65 mm) for
indoor applications and 3.5 in (90 mm) for
outdoor applications .
A
B
00582
NORMAL MAIN BRUSH PATTERN
A. Main Brush Pattern
B. Pattern Width
Summary of Contents for 285
Page 1: ...r 285 Sweeper Scrubber ...
Page 6: ...ABOUT THIS MANUAL 285 MM191 12 89 d ...
Page 18: ...SPECIFICATIONS 285 MM191 12 89 1 2 ...
Page 22: ...SPECIFICATIONS 285 MM191 12 89 1 6 ...
Page 24: ...OPERATION 2 2 285 MM191 12 89 ...
Page 62: ...OPERATION 2 40 285 MM191 NIL ...
Page 76: ...MAINTENANCE 285 MM191 12 89 3 14 04644 HYDRAULIC SCHEMATIC LOW DUMP MODEL ...
Page 77: ...MAINTENANCE 3 15 285 MM191 12 89 04645 HYDRAULIC SCHEMATIC MULTI LEVEL DUMP MODEL ...
Page 103: ...MAINTENANCE 3 41 285 MM191 6 90 06187 ELECTRICAL SCHEMATIC AUTO SHAKER RFS ...
Page 104: ...MAINTENANCE 285 MM191 6 90 3 42 06187 ELECTRICAL SCHEMATIC AUTO SHAKER RFS ...
Page 134: ...APPENDIX 285 MM191 12 89 4 2 ...