
Maintenance Procedures
For additional information regarding troubleshooting
Remove Power Unit Hood
and repair of this equipment, please contact
Racine Industries.
Using a screw driver loosen the two screws on the
hoods handle and pull up.
Brush Unit
Filter Housing/Recovery Tank
The brush unit is a slave of the power unit, which
supplies its low voltage direct current supply. The
Installing Filter Housing
brush unit contains its own control switch for motor
and the air valve solenoid (which is located inside the
Place filter bag assembly into filter bag housing.
power unit). If a problem should occur, check both
the power unit and brush unit to locate the cause.
Set filter bag and housing assembly onto bottom
recovery tank. Place palms of hands onto top of
CAUTION: Demagnetization of the brush unit
filter housing and push down and forward until the
motor may occur if the reversing switch on the
nozzles of the filter housing snap into the sockets
power unit is moved while the brush unit is
on the frame assembly.
running.
A significant increase in the “no load”
speed of the brush unit motor, along with a reduction
Removing Filter Housing
in torque, will indicate that this has happened. If this
happens, then the unit should be sent to the factory
Push down and pull filter housing straight back
for repair.
(see illustration below)
At normal operating temperatures, the brush unit
motor runs at about 9,000 RPM and the center brush
drive shaft turns at 740 RPM. If demagnetization has
occurred, the motor speed will increase to about
12,000 RPM, and the drive shaft to 1,000 RPM.
CAUTION:
In cold weather, brush units which have
been exposed to below freezing temperatures for an
hour or more should be brought to room temperature
before use. This will minimize the possibility of
damage to the permanent magnet field.
15
Industries Repair Department. It is made
available for use by others with no liability
accepted for user safety or damage to equipment
resulting from its use.
IMPORTANT
Please Read Very Carefully
CAUTION: Always disconnect the machine from
electrical supply when working on it.
This section has been prepared by the Racine
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Страница 48: ...Racine Industries Inc 262 637 4491 1405 Sixteenth Street 800 558 9439 Racine WI 53403 FAX 262 637 0558...