Desa H.S.I. Series owner manual Specifications, Fan

Page 19

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 page 10).

2.Use 1/8" allen wrench to loosen setscrew which holds fan to motor shaft.

3.Slip fan off motor shaft.

4.Clean fan using a soft cloth moistened 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 36).

7.Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds/ 4.5-5.6 n-m).

8.Replace fan guard and upper shell.

SPECIFICATIONS

Setscrew

Fan

Motor

Shaft

Figure 35 - Fan, Motor Shaft, and Setscrew Location

Fan

Flush

Motor

Shaft

Setscrew

Figure 36 - Fan Cross Section

 

Output Rating (BTU/Hr)

30,000

70,000

90,000

150,000

Fuel

Use Only Kerosene or No. 1 Fuel Oil

 

Fuel Tank Capacity

 

 

 

 

(U.S. Gal./Liters)

3.0/11.35

5.0/18.92

9.0/34.06

13.5/51.09

Fuel Consumption

 

 

 

 

(Gal. Per Hr./Liters Per Hr.)

.23/.87

.49/1.85

.66/2.5

1.10/4.16

Electric Requirements

230 V/50 Hz (Same All Models)

 

Amperage (Normal Run)

.8

1.0

1.58

1.5

Hot Air Output (CFM/CMM)

140/3.96

225/6.36

425/12

600/17

RPM

1425

2850

2850

2850

19

099605

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Contents Portable Forced AIR Heaters Contents Carbon monoxide poisoning may lead to death Safety InformationProduct Identification Tools Needed Unpacking AssemblyOperation TheoryFuels To Start Heater Ventilation OperationTo Stop Heater Operation Storage Preventative Maintenance ScheduleTo Restart Heater How Often How To TROUBLE- ShootingUpper Shell Removal Service ProceduresFuel Filter Remove side cover screws using 5/16 nut-driver Spark Plug Removal, 30,000 BTU/Hr Model Spark PlugSpark Plug Removal, 70/90/150,000 BTU/Hr Models Air Output, Air Intake, and Lint Filters Pump Pressure AdjustmentRemoving Air and Fuel Line Hoses, 30,000 BTU/Hr Model NozzleRemoving Burner Head, 70/90,000 BTU/Hr Models Removing Burner Head, 150,000 BTU/Hr Model Rotor Location, 30/70,000 BTU/Hr Models Pump RotorFan SpecificationsWiring Diagram, 30,000 BTU/Hr EDI Model Wiring DiagramsWiring Diagram, 30,000 BTU/Hr EEI Model 30,000 BTU/Hr EDI/EEI Parts BreakdownKEY Part QTY Number Description EDI EEI Parts List70,000 BTU/Hr EDI/EEI Burner Head AssemblyFHPF3-2C 90,000 BTU/Hr EDI/EEI Parts List 150,000 BTU/Hr EDI/EEI Illustrated Parts BreakdownWLM-4C 150,000 BTU/Hr EDI/EEIWheels and Handles for 90,000 Accessories Certificate of General Equipment Limited 90 DAY Warranty Warranty and Repair Service