Desa 40,000 Owner's Manual

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Desa 40,000 Owner's Manual Manual pdf 8 page image

1088718For more information, visit www.desatech.comFor more information, visit www.desatech.comSERVICE PROCEDURESWARNING: To avoid risk of burn and electricalshock, never attempt to service heater while it isplugged in, operating, or hot.Upper ShellFanGuardFigure 7 - Upper ShellRemoval, 40/50/60/70Models OnlyFigure 8 - Upper ShellRemoval, 110/115/150/155/165/200 Models OnlyFanGuardUpper ShellUPPER SHELL REMOVAL1. Remove screws along each side of heater using 5/16" nut-driver.These screws attach upper and lower shells together. See Fig-ure 7 or 8.2. Lift upper shell off.3. Remove fan guard.Screw ScrewFANIMPORTANT: Remove fan from motor shaft before removingmotor from heater. The weight of the motor resting on the fan coulddamage the fan pitch (see Figure 9).1. Remove upper shell (see Figure 7 or 8).2. Use 1/8" allen wrench to loosen setscrew which holds fan tomotor 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 ofmotor shaft (see Figure 10).7. Place setscrew on flat of shaft. Tighten setscrew firmly (40-50inch-pounds/4.5-5.6 n-m).8. Replace fan guard and upper shell.AIR OUTPUT, AIR INTAKE AND LINT FILTERS1. Remove upper shell (see Figure 7 or 8).2. Remove filter end cover screws using 5/16" nut-driver (seeFigure 11 or 12).3. Remove filter end cover.4. Replace air output and lint filters.5. Wash or replace air intake filter (see Preventative MaintenanceSchedule, page 6).6. Replace filter end cover.7. Replace fan guard and upper shell.IMPORTANT: Do not oil filters.MotorShaftSetscrewFigure 9 - Fan, Motor Shaft,and Setscrew LocationMotorShaftFanSetscrewFigure 10 - Fan Cross SectionFanFlushMotorFigure 11 - Air Output, Air Intake, and Lint Filters, 40/55/60/70Models OnlyAir IntakeFilterLint FilterFilter EndCoverAir OutputFilterFigure 12 - Air Output, Air Intake, and Lint Filters, 110/115/150/155/165/200 Models OnlyAir IntakeFilter Filter EndCoverLint FilterAir Output FilterSERVICE PROCEDURES