
Section 4 Component Teardown
4-19
Blower Wheel Removal
To remove the blower:
1. Disconnect power supply from unit.
2. Remove cabinet wrapper/sleeve then remove control
box.
3. Remove the braces and blower cover, and the top
scroll cover.
4. Disconnect wire leads from control box leading to
the heater assembly, then remove front scroll cover
and heater assembly.
5. Use a 13 mm extended socket to remove the nut
from the blower. (See Figure 4-44)
6. Remove lock washer, washer and blower wheel from
motor shaft.
Condenser Fan Blade and Shroud Removal
To remove the condenser fan blade and shroud:
1. Disconnect power supply from unit.
2. Remove cabinet wrapper/sleeve, then remove control
box cover.
3. Remove the braces and condenser fan cover.
4. Extract the two screws at the bottom corners
securing the condenser to the unit base tray.
Carefully lift the condenser over the base tray using
care not to kink or rupture the sealed system.
(See Figure 4-45)
5. Use a 10 mm extended socket to remove the left
hand thread nut securing the condenser fan blade to
the fan motor shaft. (See Figure 4-46)
6. Remove lock washer, washer and condenser fan
blade from motor shaft.
7. Extract the two screws from each side of the
condenser securing the condenser fan shroud to
the outer edges of the condenser. Extract the two
screws securing the condenser shroud to the unit
base tray. Remove condenser fan shroud from unit.
(See Figure 4-47)
Drain Valve Removal
The drain valve is located between the condenser and
the condenser fan shroud.
To remove the drain valve:
1. Disconnect power supply from unit.
2. Remove cabinet wrapper/sleeve, then remove
condenser fan blade and shroud.
3. Extract the two screws securing the drain valve to
the unit base. (See Figure 4-48)
Figure 4-44.
Figure 4-45.
Screws
13mm Nut
10 mm Nut
Left Hand
Thread
Figure 4-46.
Washer
Lock
Washer
Blower
Wheel
Figure 4-47.
Screws
Screws
Front
Partition
Screw
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