READ AND SAVE THESE INSTRUCTIONS PN 455308 Centrifugal Utility Fans Model SWB (Series 100 & 200) ® Models SFB and SFD Installation, Operation and Maintenance Manual MODEL SWB Series 200 MODEL SFB MODEL SFD MODEL SWB Series 100 TABLE OF CONTENTS MOTOR AND DRIVE INSTALLATION (UNITS SHIPPED FROM STOCK) .
MOTOR AND DRIVE INSTALLATION INSTRUCTIONS (For Model SWB units shipped from 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 ] 4.
Clockwise rotation shown. Counterclockwise Poor discharge positions are a mirror image of those shown. The SWB 100 Series is clockwise rotation only. Fan rotation is always viewed from the drive side of the housing. INSTALLATION OF UL 762 LISTED FANS FOR RESTAURANT EXHAUST The UL 762 listing for restaurant exhaust is available on SWB 200 Series fan sizes 10-36 with a weatherhood.
PRE-STARTING CHECKS Overlap Wheels must rotate freely and not rub on the inlet Radial venturi. Model SWB wheels overlap the inlet venturi as shown in Figure 2. Refer to the SWB fan wheel Wheel 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.
1" of belt span. For example, a BEARING LUBRICATION SCHEDULE 16" belt span should have 16/64" or 1/4" of FOR GREENHECK UTILITY FANS deflection with moderate thumb pressure at mid- (Relubrication schedule in months) point between the pulleys. (Fig. 6).
If unusual conditions exist - temperatures below Greasing of motors is intended only when fittings 32°F or above 200°F, moisture or contaminants - are provided. Many fractional horsepower motors more frequent lubrication is required. are permanently lubricated for life and require no further lubrication.
PARTS LIST Always provide the unit model and serial number when requesting parts or information. REPLACEMENT PARTS 1. Scroll housing 6. Drive frame assembly 11. Motor pulley 2. Drive frame - Base angle 7. Pillow block bearings 12. Belt tensioning bolts 3.
Warranty Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the purchase date. Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory, transportation prepaid.
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