7. Place the new belt on the brush and motor drive sprockets.
Lower the brush assembly into the base. Snap brush
supports into place.
8. To replace the nozzle cover engage the front tabs first, then
press down on both sides to lock the side tabs.
9. Replace the nozzle cover screws.
NOTE: Do not overtighten. Overtightening could strip
the screw holes.
10. Replace
the headlight cover, (see Belt Removal &
Replacement).
NOTE: Be sure red belt protector button extension is in
place and aligned in cover opening.
3.3. POWER NOZZLE MOTOR
3.3.1. Specifications
1. 120V., 60Hz.
2. Amps 2.0/2.7 (max.) at 18,000/14,550 R.P.M.
3. Watts 225/298 (max.) at 18,000/14,550 R.P.M.
4. Torque 55/100 Nm at 18,000/14,550 R.P.M.
3.3.2. Motor Replacement
1. Remove light cover, nozzle cover and brush assembly.
2. Remove two (2) motor bridge screws. Lift out bridge and
motor.
NOTE: Observe routing of motor wires and all other
wiring before removing motor.
3. Hook a finger under the center of the overload protector and
lift to free it from the retaining tabs. Remove the overload
protector wire terminals. Check continuity by depressing the
button completely. When the button is released there
should be continuity between the two poles when checked.
If all components and items in the troubleshooting guide
have been checked and the overload protector continues to
trip, it should be replaced.
4. Insert a flat screwdriver blade between the indicator block
assembly and the plastic retainer for the four (4) wires. Pry
up and out to free the indicator block assembly from the
retaining tabs.
5. Unscrew wire nuts to free motor lead wires.
6. Install new motor. Assure motor is fully seated on all four (4)
front and rear base supports. Rear motor housing flange
should be in slot of base support.
CAUTION: Do not pinch white wire.
7. Install motor bridge and secure with two (2) screws.
8. Reroute all wiring per original layout utilizing wire retainers
provided, and proper placement of wires to prevent
pinching of wires and interference when reinstalling the
indicator block assembly. Connect wires and apply wire
nuts, (reference WIRING DIAGRAM).
9. Install indicator block assembly. Holding the assembly at a
slight angle, insert the edge of the part behind the retaining
tabs (use T-shaped tab on assembly to align in slot of
retaining tab). With fingers lifting base off the floor (to free
front axle) use both thumbs to push the indicator block
assembly down until it snaps in place.
10. Install the overload protector by snapping into position
between the two retaining tabs and with one end pushed up
against the indicator block assembly.
11. Replace
remaining
parts
(see
Belt
Removal
&
Replacement).
3.4. AGITATOR BRUSH
3.4.1. Brush Checking
1. Replace the agitator brush if brushes are badly worn. Lay a
straight edge across the base supports and rotate the
agitator brush dowel. The brushes should extend past the
brush supports.
10
MC-V9634-00
