Blower Wheel; Motor - GE Profile PTDS650EM Technical Service Manual

Blower Wheel

The blower wheel is held to the motor shaft with
a 15/16-in. (24-mm) molded nut. To remove the
blower wheel, it is not necessary to remove the
motor from the front frame. The blower wheel can
be removed by removing the front frame from the
chassis. The front frame is attached to the chassis
with 10 Phillips-head screws and 3 tabs.
To remove the blower wheel:
1. Remove the top panel, front panel, and drum.
(See
Top Panel, Front Panel, and Drum
2. Remove the door wiring from the entry hole in
the top left corner of the front frame.
3. Remove the 10 Phillips-head screws and the
thermostat shield from the front frame.
4. Lift the front frame up from the left side to clear
the bottom 2 tabs and the 3 duct tabs.
L
I
F
T
5. Hold the motor shaft from turning and use a
15/16-in. (24-mm) socket to remove the blower
wheel from the motor shaft.
15/16-in. Molded Nut

Motor

The motor is a single-speed, dual-shaft, 1/4-hp,
1725-rpm motor with an automatic reset overload
protector. The overload protector is an internal
component of the motor and cannot be replaced
separately. The motor contains a centrifugal switch
that serves three purposes: It disengages the motor
start winding (M6), engages the motor run winding
(M5), and closes the circuit contacts (M1 to M2) for
the heat source.
Motor resistance values:
.)
Start winding = 5 ohms
Run winding = 4 ohms
To remove the motor:
1. Disconnect power to the unit.
2. Remove the top panel, front panel, and drum.
(See
3. Remove the Phillips-head screw and the
thermostat moisture shield from the front frame.
4. Remove the Phillips-head screw and the outlet
control backup thermostat from the blower
housing.
Outlet Control
Backup Thermostat
– 28 –
Top Panel, Front Panel, and Drum
(Continued Next Page)
.)
Thermostat
Moisture Shield