3640E Operator Manual

MAINTENANCE
39
3640E 330569 (01--00)
BRUSHES
MAIN BRUSH
NOTE: The following procedures apply to both
the floor sweeping main brush and the carpet
sweeping main brush.
The main brush spans the width of the machine
and throws debris into the hopper.
Check the brush for damage and wear daily.
Remove string or wire tangled in the main brush or
the main brush hub.
Check the main brush pattern after every 50 hours
of use. Adjust the main brush pattern by loosening
the nut at the left end of the brush arm crossbar .
Rotate the main brush after every 50 hours of use
for maximum brush life and sweeping
performance.
Replace floor or carpet sweeping brush when
bristle length is 9 to 12 mm (.375 to .5 in).
REPLACING THE MAIN BRUSH
1. Turn the machine power off and move the
directional lever into the PARK position.
FOR SAFETY: Before leaving or
servicing machine, stop on level
surface, turn off machine, and remove
key.
2. The main brush pin, located on the left--hand
side of the machine, holds the main brush in
place. Turn the main brush pin 1/4 turn
counter--clockwise and remove. If the
machine has the (option) wide track wheel
kit, lower the main brush to remove.
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