Desa 50 Owner's Manual

Also see for 70: Owner's manual OWNER'S OPERATION AND INSTALLATION MANUAL

Desa 50 Owner's Manual Manual pdf 12 page image

12099618Fan GuardUpper ShellWARNINGTo avoid risk of burn and electrical shock, never attemptto service heater while it is plugged in, operating or hot.Upper Shell Removal1. Remove screws along each side ofheater using 5/16" nut-driver. Thesescrews attach upper and lowershells together.2. Lift upper shell off.3. Remove fan guard.SERVICEPROCEDURESAir OutputFilterLint FilterAir OutputFilterLint FilterAir IntakeFilterFilter EndCover FanGuardFigure 11 - Air Output, Air Intake,and Lint Filters, 35/50/70 ModelsFigure 12 - Air Output, Air Intake,and Lint Filters, 100/150 ModelsFilter EndCoverAir IntakeFilterFanIMPORTANT: Remove fan from motorshaft before removing motor fromheater. The weight of the motor restingon the fan could damage the fan pitch.1. Remove upper shell (see above).2. Use 1/8" allen wrench to loosensetscrews which holds fan to motorshaft.3. Slip fan off motor shaft.4. Clean fan using a soft clothmoistened with kerosene or solvent.5. Dry fan thoroughly.6. Replace fan on motor shaft. Placefan hub flush with end of motorshaft (see Figure 10).7. Place setscrews on flat of shaft.Tighten setscrews firmly (40-50inch-pounds/4.5-5.6 n-m).8. Replace fan guard and upper shell.FanMotorShaftFigure 10 - Fan Cross SectionFanSetscrewsMotorShaftFigure 9 - Fan, Motor Shaft,and Setscrew LocationSetscrewsAir Output, Air Intake andLint Filters1. Remove upper shell (see above).2. Remove filter end cover screwsusing 5/16" nut-driver.3. Remove filter end cover.4. Replace air output and lint filters.5. Wash or replace air intake filter (seePreventative Maintenance Schedule,page 10).6. Replace filter end cover.7. Replace fan guard and upper shell.IMPORTANT: Do not oil filters.Fan GuardFigure 8 - Upper Shell RemovalFlush