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MAINTENANCE-VACUUM & FLOAT SHUT-OFF
86317500 CHARIOT SCRUBBER 11/15/08
4-18
RECOVERY TANK FLOAT SHUT-OFF
When water is no longer being vacuumed from
the floor and the vacuum fan is operating, the
ball float has engaged. The vacuum motor will
not vacuum water with recovery tank full. The
recovery tank must be drained.
1. The float shut-off screen can be cleaned in or
out of the machine.
2. To clean the float shut-off while it is inside the
machine wipe material off screen then rinse.
Check that the ball is also clean and moves
freely.
3. To remove the float shut-off, grasp the screen
with one hand and the connected tube with the
other. Tilt and pull the float screen assembly to
pull it off the barb on the tube.
4. To install, place one hand on the tube, and then
tilt and push the float screen assembly over the
barb on the tube.
FOR SAFETY: before leaving or servicing
machine, stop on a level surface, turn off
machine and disconnect power.
TO REPAIR OR REPLACE VACUUM MOTOR
1. Remove rear cover from machine.
2. Remove two screws from top of control
panel and four screws from sides of control
housing.
3. Slide control housing back from tank to
expose vacuum motor.
4. Disconnect electrical connector from the
vacuum motor. Remove the muffler hose
from the vacuum motor outlet.
5. Remove three nuts that secure vacuum
motor.
6. Reverse steps to install. Make sure that
gasket is on vacuum so that vacuum seals
against tank
V
acuum Motor Carbon Brushes
End Cap
Carbon
Brushes
If armature commutator is grooved, extremely pitted or not
concentric, the motor will need to be replaced or sent to a
qualified service center.
Important:
These brushes wear quicker as the length shortens due to
increased heat. Spring inside brush housing will damage
motor if brushes are allowed to wear away completely.
Periodically check the length of the carbon brushes. Replace
both carbon brushes when either is less than 3/8" (9.5mm)
long.
3
8
[9.5mm]