Instruction Manual

CHAPTER 6: MAINTAINING YOUR BLOWER 31
Routine Maintenance 31
Motor 32
Bearings 32
V-Belt 32
Common Service Operations 32
Pillow Block Bearing Replacement 32
Motor Replacement 33
CHAPTER 7: MODIFYING YOUR BLOWER, CALCULATING
STATIC PRESSURE LOSS, AND BLOWER SIZING 35
Two Main Blower Modifications 35
Additional Modifications by Adding Ductwork Accessories 35
Blower Sizing Example 36
Sizes and Pressure Losses in Thermoplastic Duct 36
Thermoplastic Duct 37
Duct Couplings, Female 37
Duct Couplings, Male 38
Elbows 38
Thermoplastic Duct Reducers 38
Zero Pressure Weathercaps 39
Spiral Tube 39
Manual Duct Dampers 39
Flexible Duct Connections 39
Blower Transition Adaptors 40
Auxiliary-Air Transition Adaptor 40
T and Y Connections 40
Accessories for Basic 47 Hoods 41
Exhaust Transition Adaptor 41
Accessories for Perchloric Acid Applications 41
Wash Rings 41
Accessories for Pathogens, Organic Vapors and Odor
Control Applications 41
HEPA Filter Packs 41
Charcoal Filter Packs 41
Backdraft Dampers 42
Bird Screens 42
CHAPTER 8: TROUBLESHOOTING 43
APPENDIX A: BLOWER REPLACEMENT PARTS 45
APPENDIX B: BLOWER DIMENSIONS 57
APPENDIX C: BLOWER ENVIRONMENTAL CONDITIONS 61