Greenheck Fan Model SWB Series 300 manual

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Table of contents for the manual

  • Page 1

    Model SWB Series 100 Model SWB Series 200 Model SWB Series 300 Model SFD T able of Contents Motor and Drive Installation (Units Shipped from Stock) ................ 2 Installation ............................... 3 Affect of Installation on Performance ......... 3 UL/cUL 762 - Restaurant Exhaust ............ 4 Pre-Starting Checks ...................[...]

  • Page 2

    Motor and Drive Installation Instructions Model SWB units are shipped fr om stock without motors or drives. 1. Adjust motor pulley to its closed position for maximum fan speed or increments of 1/2 turn open (maximum of 5 turns open) for reduced fan speed. Tighten set screw on flat area only. 4. Install shaft pulley to fan shaft. 5. Install drive be[...]

  • Page 3

    3 Installation Inspect the unit for any damage and report it to the shipper immediately . Also, check to see that all accessory items are accounted for . Move the fan to the desired location and fasten securely thr ough mounting holes provided in the base angles. The unit must be set level (shimming may be necessary). Flexible duct connections and [...]

  • Page 4

    Pr e-Starting Checks Wheels Wheels must rotate fr eely and not rub on the inlet venturi. Model SWB wheels overlap the inlet venturi as shown in Figure 1. Refer to the SWB fan wheel overlap and radial gap chart for proper dimensions. Models SFD and SFB wheels do not overlap the venturi, but have a gap between the inlet venturi and the wheel (Fig. 2)[...]

  • Page 5

    Wheel Rotation Rotation direction of the wheel is critical and incorr ect rotation will r esult in reduced air performance, increased motor loading and possible motor burnout. Check wheel rotation by momentarily energizing the unit and noting if rotation is in the same dir ection as the airflow at the outlet and conforms to the rotation decal affix[...]

  • Page 6

    Blower Maintenance (Belt Drive) Belts tend to stretch after a period of time. They should be periodically checked for tension and wear . When replacing belts, use the same type as supplied with the unit. Replacement of belts should be accomplished by loosening the tensioning “L-Bolts” so the belts may be removed by hand. Do not force belts on o[...]

  • Page 7

    Parts List 1 2 3 4 5 7 8 9 10 6 11 12 13 14 Always provide the unit model and serial number when requesting parts or information. Replacement Parts 1. Scroll housing 2. Drive frame - base angle 3. Intake support panel 4. Inlet ring and cone 5. Wheel (specify rotation) 6. Drive frame assembly 7. Pillow block bearings 8. Fan shaft 9. Shaft pulley 10.[...]

  • Page 8

    Problem Cause Corrective Action Excessive Noise Wheel Rubbing Inlet Adjust wheel and/or inlet cone. Tighten wheel hub or bearing collars on shaft. V -Belt Drive Tighten sheaves on motor/fan shaft. Adjust belt tension. Align sheaves properly (see page 4). Replace worn belts or sheaves. Bearings Replace defective bearing(s). Lubricate bearings. Tight[...]