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Hudson Auto-Variable
®
Hudson Auto-Variable
suitable for high and low temperature operation and are interchangeable (except hub bodies) in 4, 5, or 6 blade configu-
rations. Hudson AV hubs are durable and designed for low maintenance and energy saving operation.
®
Hudson Tuf-Lite Il
(white, prev. blue) fan blades are made from fiberglass reinforced vinyl-ester resin having a very
high strength-to-weight ratio and superior ultra-violet and corrosion resistance. An elastomeric blade/holder joint cover
(not shown) prevents moisture from entering blade.
The individually balanced blades can be replaced independently—matched sets are not required.
Installation manual 1000H
®
Hubs and Tuf-Lite II
(AV) hubs feature Timken tapered roller bearings and synthetic lubricants. All components are
Tuf-Lite II
1000 Series
Auto-Variable
INSTALLATION MANUAL
®
Fan Blades
Page 1 of 10
®
Fans
®
Hub
May 2015
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Summary of Contents for Hudson Tuf-Lite II 1000 Series
- Page 1 (AV) hubs feature Timken tapered roller bearings and synthetic lubricants. All components are suitable for high and low temperature operation and are interchangeable (except hub bodies) in 4, 5, or 6 blade configu- rations. Hudson AV hubs are durable and designed for low maintenance and energy saving operation. ®...
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Page 2: Recommended Tools
RECOMMENDED TOOLS Long T-Handle Allen Wrench Set (3/16" to 3/8") Shop Towels ® Medium Size Flat Head Screw Driver Exact-A-Pitch Digital Protractor (P/N 62375) Brass Ball Peen Hammer 25 ft. Measuring Tape Flat Bastard File Pencil or Marker ... - Page 3 MINIMUM VIBRATION - Rigidly attach dial indicator to the air line support or other sta- tionary object. Measure run-out of the rotary joint (See Figure 5). THE FOLLOWING FOUR STEPS ARE Rotate hub 360° to locate point of minimum reading on the dial; EXTREMELY CRITICAL set indicator to read zero at this point.
- Page 4 After fan is installed in fan ring, outline top end of each blade onto fan ring with a marker. The difference between levels of ® Use Hudson EXACT-A-PITCH digital protractor (See Figure 8) highest and lowest outlines should not be more than 1/2" (See or a bubble protractor to set blade pitch.
- Page 5 Correct blade track by loosening clamp bolts and adjusting blade Fan Size (ft) Minimum Maximum to match track of other blades. Re-tighten bolts and re-check track and pitch angle setting. Re-tighten blade clamp bolts to 5 through 9 1/4" 1/2" recommended standard of 55 ft-lb (lubricated) or 60 ft-lb (dry) torque.
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Page 6: Rotary Joint
Connect both supply and instrument lines. Check instructions included with bias relay. If problems are encountered, contact Hudson fan engineer. Instrument air pressure should be 3-15 psi. Bias relays are adjusted for 3 psi instrument starting point. Supply air pressure should be set to level according to table below. - Page 7 Start fan and check rotation. Viewed from top (discharge), fan blades should rotate clockwise. Hudson recommends to re-verify the blade clamp torque after the initial 10-15 minutes of cold operation (i.e., the fan doesn’t need to be exposed to the working temperature of the process).
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Page 8: Parts List
PARTS LIST ® ® Tuf-Lite Fans - Auto-Variable Hubs 1000H Series QTY. QTY. ITEM ITEM DESCRIPTION DESCRIPTION BLDS PER HUB BLDS PER HUB Specify Q2 Bushing (up to 2 5/8 bore) 65003 Blade Clamp Half (Aluminum) Std. Bore R2 Bushing (2 11/16 to 3/5 bore) 65016 Blade Clamp Half (Gray or Ductile Iron) Opt. - Page 9 HUDSON PRODUCTS CORPORATION ® Auto-Variable Series 1000H Installation manual 1000H Page 9 of 10 May 2015...
- Page 10 Fax: 281-396-8388 1-800-634-9160 (24 Hours) EMAIL: hudsonproducts@hudsonproducts.com http://www.hudsonproducts.com Hudson, Auto-Variable, Combin-Aire, Exact-A-Pitch, Fin-Fan, Heatflo, Hy-Fin, Split-Flo, Solo Aire, Stac-Flo, Steamflo, Thermflo, Tuf-Edge, Tuf-Lite, Tuf-Lite II, Tuf-Lite III are registered trademarks of Hudson Products Corporation. ©2012 Hudson Products Corp. All Rights Reserved.