Brush Drive Belt Replacement; Maintenance Of The Vacuum Motor; Replacement Of The Float Switch; Brush Maintenance - Clarke IMAGE 20 I Libro De Instrucciones

1¼ inches
Figure 1
Page 30
AUTHORIZED PERSONNEL MAINTENANCE (cont.)

Brush Drive Belt Replacement

1. Tilt machine on handle or place machine upside down.
2. Remove bottom brush plate.
3. Remove pivot screw on drive sprocket side.
4. Remove drive sprocket and replace belt.
5. Reassemble in reverse order.

Maintenance of the Vacuum Motor

This machine has a vacuum motor that uses carbon
brushes. The carbon brushes in the motor must be
checked every three months, or every 500 hours of
operation, whichever comes first. If either of the brushes is
shorter than 3/8 inch, replace both of the carbon brushes.
To gain access to the vacuum motor:
1. Remove one (1) screw in rear plate that secures
recovery tank to machine.
2. Raise and tilt recovery tank.
3. Can now access the brushes or the three (3) bolts that
secure the vacuum motor to tank.
Replacement of Float Switch
1. Install and tighten strain relief onto float cord. See
fig. 1.
2. Install new o-ring seal onto strain relief.
3. Install replacement float with strain relief through
inside wall of recovery tank.
4. Tighten strain relief.
5. Check wiring diagram for proper connections and
check fittings for leaks.
6. Check float switch for proper operation and shut off
capacity.
Brush Maintenance (See page 39 for parts references)
1. Tilt machine on handle or place machine upside down.
2. Remove one screw from each side (ref. #5 and #33 on
page 39) of the brush housing.
3. Remove one screw (ref. #15 on page 35) from brush
retainer strap (ref. #19 on page 39) and rotate strap so
that brush can be removed.
4. Remove brush.
5. Carefully pry brush pivot out from bearing (applying
pressure unevenly can break brush pivot).
6. Add a small amount of grease to face of seal and
bearing on I.D. of brush core.
7. Reassemble in reverse order.
Clarke ® Image 20 120V Operator's Manual