_Installation Instructions
Blower Motor Access
To access the blower motor follow the following steps. To
remove the blower motor and/or the blower motor housing
assembly, refer to Method 1 and Method 2 below.
1.
2.
3.
4,
5.
Turn electric power OFF.
Remove the blower access panel.
Remove the four screws securing the blower motor
housing. If unit has a support bracket, remove the two
screws securing the bracket.
Slide entire housing toward you. This will allow easier
access to the speed tap block, motor, and wires.
When finished, reassemble in reverse order.
Refer to NO TAG for a view of blower motor and blower
compartment.
Method 1 and Method 2
Method 1 allows the motor to be removed without remov-
ing the entire blower housing assembly. If it is desirable to
remove the entire blower housing assembly to work on the
motor, use Method 2.
With Method 2, the top of the unit is lifted up so that the en-
tire blower housing assembly can be removed. Use Meth-
od 2 to replace or repair blower wheel, blower housing, or
any unreachable components behind blower assembly.
Blower Motor Removal Using Method 1
1. Turn electric power OFF.
2. Remove the blower access panel.
3. Remove the four screws securing the blower housing
to blower deck. If the unit has a support bracket, re-
move the two screws securing the support bracket to
the blower housing.
4. Slide entire housing toward you. This will allow easier
access to the speed tap block, motor, and wires.
5. Reach behind blower housing and locate blower
wheel set nut. Loosen blower wheel set nut.
6. Disconnect all wires from motor and remove the four
pins securing the blower motor mounting cradle to
blower housing.
7. Pull motor towards you and remove.
8. When finished, reassemble in reverse order.
Blower Motor and Blower Housing Removal
Using Method 2
1. Turn electric power OFF.
Single Package Air Conditioners I
2,
3.
4,
5.
Remove the blower access panel.
Remove four screws securing blower housing to
blower deck. If the unit has a support bracket, remove
the two screws securing the support bracket to the
blower housing.
Slide entire housing toward you.
Remove screws securing corner and front of unit top
(see FIGURE 10).
CAUTION
Do NOT place fingers between unit top and unit.
,
7.
8.
Raise corner of unit top at least 2" (50.8mm). Place a
sturdy brace at least 2" (50.8mm) thick between cor-
ner and unit top. A 2X4 piece of wood is ideal for this.
Disconnect all wires from blower housing and slide
blower housing out of unit.
When finished, reassemble in reverse order.
Blower Access Showing
FIGURE 10 Lid Propped with 2X4
Circulating Air Blower
Visually inspect the blower wheel for accumulations of dirt
or lint. Clean the compartment and the blower wheel. If ac-
cumulation is excessive on blower wheel, or does not easi-
ly remove, it will be necessary to remove the blower
assembly.
CAUTION
Do NOT use 3 in 1 oil, penetrating oil, WD40 or similar
oils to oil motor bearings.
The blower motor should be oiled after five years of opera-
tion and every five years thereafter. Oil the blower motor by
adding t/2 teaspoonful (lcc) of SAE 10W30 to each motor
bearing.
