
Section 4 Component Teardown
4-25
Front Blower Housing And Heater Assembly
Removal (Heater Equipped Models)
To remove the front blower housing and heater
assembly:
1. Disconnect the power supply from unit.
2. Remove front panel and cabinet wrapper/sleeve.
3. Remove the control box. Remove wire leads for the
duct thermistor at the control board.
4. Cut insulation to free front blower housing from the
rear section of the blower housing.
5. Carefully pull front blower housing upwards while
feeding the heater wire harness through the access
hole until free of the evaporator.
6. Extract two screws from each side of the evaporator
securing the heater assembly and front scroll cover
to the evaporator flange. (See Figure 4-63)
7. Pull the heater assembly and front scroll cover
upwards until free of evaporator. There may be
insulation glue between the evaporator and front
scroll cover. Be sure to replace the insulation when
reassembling the unit.
8. Lay the heater and front scroll cover on a flat
surface and extract the two screws securing the
heater assembly to the front scroll cover.
(See Figure 4-64)
9. Slide heater assembly to the left until the metal
legs are free of the retaining slots then pull heater
assembly off of front scroll cover.
Figure 4-64.
Screws
If the thermal limiter and/or the thermostat are
defective, the entire heater assembly must be replaced.
NOTE
Figure 4-63.
Screws
Left Side Right Side
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