Carrier T--298 service manual Air Handling System Removal, Blower Wheel

Condenser Fan

Figure 3-22 Condenser Fan Removal

3.5.6Evaporator Blower Wheel Adjustment or Removal

a. Remove exterior cover assembly. Refer to Exterior Cover Assembly Removal instructions 3.5.1

b. Remove control box assembly. Refer to Control Box Assembly Removal instructions 3.5.3

3.5.7Air Handling System Removal

a.Remove exterior cover assembly. Refer to paragraph 3.5.1.

b.Remove control box assembly. Refer to paragraph 3.5.3.

c.Remove upper scroll assembly. Refer to paragraph 3.5.4.

d.Remove motor assembly. Refer to paragraph 3.5.5.

e.Remove 8 screws securing lower scroll assembly to the base pan assembly.

f.Remove 1 screw from clamp securing suction tube to the base pan assembly.

g.Remove 3 nuts securing the compressor to the base pan assembly.

h.Remove 2 screws securing the condenser orifice to the base pan assembly.

i.Remove 2 screws securing the condenser coil as- sembly to the base pan assembly.

j.Carefully lift the entire assembly off of the base pan assembly.

k.Reverse the above procedure for reassembly, ensur- ing that the air handling system is positioned correct- ly. Tighten all screws.

c.Remove upper scroll assembly. Refer to Upper Scroll Assembly Removal instructions 3.5.4

d.Loosen motor assembly. Refer to Motor Assembly Removal instructions 3.5.5.

e.Mark shaft at a point where wheel hub and motor shaft meet to aid in reassembly.(See Figure 3-23.)

f.Remove 1 set screw holding the blower wheel to the motor shaft. (See Figure 3-23)

g.Slide off blower wheel from motor shaft

h.Reverse above procedure for reassembly.

Set Screw

Condenser Cover

Condenser

Cover Screws

Compressor

Motor Assembly

Base Pan

Figure 3-23 Blower Wheel

Base Pan

Figure 3-24 Condenser With Motor Assembly &

Compressor

T--298 3-8