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Motor/Turbine Replacement
Remove the cabinet wrapper by following the steps in
the Turbine Wrapper Removal procedure. See Fig. 7
for Series 1200 and Series 2000.
1. The motor can now be replaced. Use the motor
assembly kit M73526, which contains: rubber
bottom spacer (46), foam fan seal (90), ground
ring (11), switch connector (12), and wire butt
connector (13).
2. Remove the nut on the ground stud and switch
wire. Clip the neutral lead about 2 in. from the
3-wire crimp connector.
3. Remove the motor mount and replace the motor.
Do not overtighten the three rubber stop bushings.
Snug up only until the motor is held firmly in place.
Apply removable LocTiter to the three mount-
ing bolts before installing.
4. Hook up the switch wire, neutral butt connector,
and Loc–tite the ground screw nut.
5. Gently slide the top half to the motor mount (44) to
the front of the cabinet. Make sure the side foam
doesn't catch on the mount.
6. Re–install the top two 1/4 x 20 front screws and
the three sheet metal screws (40).
7. Install the foam fan seal around fan intake.
8. Caulk the top flange of the cabinet with a fine bead
of acrylic latex caulk.
9. Replace the top and main filter.
Repair
Compressor
Green
Black
White
Fig. 8
Motor Brush Replacement
NOTE: It is recommended that this procedure be
performed by an authorized service center.
1. Follow the steps for removing the motor in the
Motor Replacement procedure.
2. Remove the brushes by prying up the metal clip
retainers on the top half of the turbine. Check the
commutator for excessive wear. If the commutator
has wear, replace the motor. See Motor Replace-
ment procedure.
3. Use the Motor Brush Kit, M73522, and reassemble
the new motor brushes using the reverse order
Keep the lead wires from all rotating parts and
from the motor frame.
Do not run the motor with the air inlet or outlet
sealed off.
4. Reinstall the motor in reverse order.
5. After running the motor for 30–45 minutes at
full-rated voltage, the motor will return to full per-
formance.
Rocker
Switch
Motor
Black
Whit
e
Green
White
Green
Black
Black
Black
Power
Cord
Series 1200 and Series 2000
CAUTION
Toggle
Switch
Black
03734A
308423 13
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