Desa 30 Owner's Manual

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Desa 30 Owner's Manual Manual pdf 18 page image

18099606Pump Rotor(Procedure if rotor is binding)1. Remove upper shell (seepage 10).2. Remove filter end coverscrews using 5/16" nut-driver.3. Remove filter end coverand air filters.4. Remove pump platescrews using 5/16" nut-driver.5. Remove pump plate.6. Remove rotor, insert, andblades.7. Check for debris in pump.If debris is found, blowout with compressed air.8. Install insert and rotor.9. Check gap on rotor.Adjust to .003"/.004"(.076/.101 mm) if needed(see Figure 33).Note: Rotate rotor onefull turn to insure the gap is.003"/.004" (.076/.101 mm) attightest position. Adjust ifneeded.10. Install blades, pump plate,air filters, and filter endcover.11. Replace fan guard andupper shell.12. Adjust pump pressure (seepage 14).Note: If rotor is still binding,proceed as follows.13. Perform steps 1 thru 6above.14. Place fine grade sandpaper(600 grit) on flat surface.Sand rotor lightly in“figure 8” motion fourtimes (see Figure 34).15. Reinstall insert and rotor.16. Perform steps 10 thru 12above.Figure 31 - Rotor Location, 30/70,000 BTU/Hr ModelsSandpaperFigure 34 - Sanding Rotor.003"/.004"(.076/.101 mm) GapMeasured WithFeeler GaugeRotorGap AdjustingScrewGapAdjustingScrewBladeFigure 33 - Gap AdjustingScrew LocationsFigure 32 - Rotor Location, 90/150,000 BTU/Hr Models150 ROTOR PFA/P 059InsertBladeRotorPumpPlateFilter EndCoverAirIntakeFilterAirOutputFilter50 ROTOR PFA/P 056PumpPlateInsert RotorBladeFilter EndCoverAirIntakeFilterAir OutputFilterFan Guard(90,000 BTU/HrModel Shown)Fan Guard(90,000 BTU/HrModel Shown)