SERVICE PROCEDURES

Upper Shell Removal

1.Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.

2.Lift upper shell off.

3.Remove fan guard.

WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

Upper

 

Upper

Fan

Shell

 

Shell

Guard

/

Fan

/

 

j

Guard

 

 

Fan

IMPORTANT: Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch.

1.Remove upper shell (see above).

2.Use 1/8" Allen wrench to loosen set-screw which holds fan to motor shaft.

3.Slip fan off motor shaft.

4.Clean fan using soft cloth mois- tened with kerosene or solvent.

5.Dry fan thoroughly.

6.Replace fan on motor shaft. Place fan hub flush with end of motor shaft (see Figure 9).

7.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds).

8.Replace fan guard and upper shell.

Air Output, Air Intake, and Lint Filters

1.Remove upper shell (see above).

2.Remove filter end cover screws using 5/16" nut-driver.

3.Remove filter end cover.

4.Replace air output and lint filters.

5.Wash or replace air intake filter (see Preventative Maintenance Schedule, page 8).

6.Replace filter end cover.

7.Replace fan guard and upper shell.

IMPORTANT: Do not oil filters.

Figure 7 - Upper Shell Removal,

Figure 8 - Upper Shell Removal,

35/55, 000 Btu/Hr Models

110,000 Btu/Hr Model

Flush

Motor //

Shaft //

Setscrew

Figure 9 - Fan Cross Section

35/55/110,000 Btu/Hr Models

Air Intake

 

Air Intake

 

Filter

 

Filter

 

Filter End

 

Filter End

Fan Guard

Cover

Fan

Cover

 

 

 

 

Guard

 

 

"_,,

Lint Filter '_,,,,,,,

Lint Filter

 

 

Air Output

Air Output

 

Filter

 

Filter

Figure

10 - Air Output, Air Intake,

Figure 11 - Air Output, Air Intake,

and

Lint Filters, 35/55,000

and Lint Filters, 110,000 Btu/Hr

 

Btu/Hr Models

Model

100500

Page 10
Image 10
Sears 583.35682, 583.35683, 583.3565 Service Procedures, Upper Shell Removal, Air Output, Air Intake, and Lint Filters

583.35682, 583.35683, 583.3565 specifications

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