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MODEL 690NT
Page 3
6. Attach the new motor plate to the new wheel/
motor assembly.
NEW
MOTOR PLATE
(“690” SERIES)
NEW
MOTOR PLATE
(“D” HOUSING)
2 NUTS
WRENCH
NEW
SCROLL
BAND
TAB
2 TABS
&
SLOTS
DOUBLE
TABS
DOUBLE
TABS
Place the new motor plate onto the motor bracket studs.
Fasten parts together securely using two nuts and wrench
provided.
7. Insert the new scroll band into the existing fan
housing.
Note: Skip this step if the existing fan housing already con-
tains a scroll band (plastic or metal).
Bend it into a crescent shape and align one of the small
slots in the scroll band with the single tab in the fan hous-
ing. Place the ends of the scroll band behind the double
tabs in the fan housing, and release the scroll band.
NOTCH
NOTCH
NEW
WHEEL/MOTOR
ASSEMBLY
NEW
WHEEL/MOTOR
ASSEMBLY
CAUTION:
ROUTE
MOTOR WIRES
AS SHOWN
Set the new wheel/motor assembly on a flat surface with
the motor facing up. Orient the new motor plate so that the
specification label faces up and the motor body fits into the
wide notch in the motor plate.
CAUTION: The motor lead wires must be routed through
the motor plate as shown. Wires routed differently will
become pinched or cut when the motor plate is installed into
the housing. Electrical shock may result.
SINGLE
TAB
-- D-HOUSING FAN ONLY --
8. Install new blower assembly into existing fan
housing.
Insert two motor plate tabs into slots in housing and pivot
blower assembly up until the third motor plate tab snaps
into matching slot in housing. Make sure tabs hold blower
assembly securely in place. Plug in motor.