Tennant 235D, User Manual

Page: 71 / 203

MAINTENANCE
3-35
235 MM331 (3--94)
NOTE: If no chalk or other material is available,
allow the brushes to spin on the floor for two
minutes.
4. Observe the brush pattern made. The
pattern should be of equal width across the
length of the pattern.
A
B
00582
NORMAL MAIN BRUSH PATTERN
A. Main Brush Pattern
B. 2 to 2.5 in (51 to 54 mm) for
machines serial number 002594
and above
For machines serial number 002594 and
above, and machines with the Brush Limiter
Kit installed, the brush pattern width should
be 2 to 2.5 in (51 to 54 mm). The brush
pattern width can be adjusted by loosening
and moving the brush limiter nut.
A
B
03487
BRUSH LIMITER NUT (For machines serial
number 002594 and above)
A. Brush Limiter Nut
B. Main Brush Lever Slot
To decrease the width of the brush pattern,
move the limiter nut forward and tighten the
nut. To increase the brush pattern width,
move the limiter nut back and tighten the
nut.
If the main brush pattern is tapered, wider
on one side by 0.50 in (15 mm) or more than
the other side, perform the following leveling
procedure:
00601
TAPERED MAIN BRUSH PATTERN
A. Park the machine on a level surface.
B. Stop the engine and set the machine
parking brake.
FOR SAFETY: Before Leaving Or Servicing
Machine; Stop On Level Surface, Set Parking
Brake, Turn Off Machine And Remove Key.
C. Lower the main brush.
D. Remove the right side access door.
E. Remove the main brush.
F. Reinstall the idler arm.
G. Loosen the cross shaft bearing flange
bolts.
A
C
B
03550
CROSS SHAFT BEARING FLANGE
A. Flange
B. Bolts
C. Cross Shaft