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Part #474051
Fiberglass Centrifugal Fan
®
Installation, Operation and Maintenance Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the
product described. Protect yourself and others by observing all safety information. Failure to comply with instructions
could result in personal injury and/or property damage! Retain instructions for future reference.
Model BCSW-FRP
General Safety Information
Only qualified personnel shou
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Fans are protected against damage during shipment. If Receiving the unit cannot be installed and operated immediately, Upon receiving the product check to make sure all precautions need to be taken to prevent deterioration items are accounted for by referencing the bill of of the unit during storage. The user assumes lading to ensure all items were received. Inspect each responsibility of the fan and accessories while in crate for shipping damage before accepting delivery. storage. The
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Machined parts coated with rust preventive should be Table of Contents restored to good condition promptly if signs of rust occur. General Information Immediately remove the original rust preventive coating Receiving................................. 2 with petroleum solvent and clean with lint-free cloths. Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Polish any remaining rust from surface with crocus cloth Storage . . . . . . . . . . . . . . . . . . . . .
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n n n n n n n n n n n n n n o o o o o o o o o o o o o o i i i i i i i i i i i i i i t t t t t t t t t t t t t t a a a a a a a a a a a a a a t t t t t t t t t t t t t t o o o o o o o o o o o o o o R R R R R R R R R R R R R R n n n n n n n n n n n n n n Turning Vanes 3/4 to 3/4 to POOR GOOD one fan One fan one fan wheel diameter wheel diameter diameter Turning Vanes 3/4 to 3/4 to POOR GOOD one fan One fan one fan wheel diameter wheel diameter diameter One fan wheel diameter Turning POOR Vanes Le
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Bases (Foundation and Isolation) Drain Connection In order to assure continued alignment, a high Make sure to either connect the drain or keep it strength, non-shrink epoxy grout is recommended plugged. Never leave the drain open to drain freely. to provide the desired mechanical properties for The drain line must be installed using either a U-trap support of the fan. This type of support ensures the arrangement or an equivalent method (drain leg is appropriate transmission of static and dyn
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Radial Gap, Overlap and Wheel Alignment Efficient fan performance can be maintained by having the correct radial gap, overlap and wheel alignment. These items should be checked after the fan has been in operation for 24 hours and before start-up after the unit has been serviced. Impeller Wheel Inlet Cone Overlap Impeller Wheel Inlet Cone Radial Gap Wheel Radial Gap Overlap A A Inlet Cone BCSW-FRP BCSW-FRP Sizes 6 thru 10 Sizes 15 thru 73 A Dimension Radial Gap Overlap (maximum) Unit ± Tolera
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Flexible Couplings (Arr. 8 Only) V-Belt Drives Check for misalignment between the coupling halves. The V-belt drive components, when supplied by Parallel and angular misalignment and separation gap Greenheck Fan Corporation, have been carefully are illustrated below. Refer to coupling manufacturer’s selected for this unit’s specific operating condition. installation instructions for allowable misalignment CAUTION and separation gap tolerances. When correcting for misalignment using shims, t
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Vibration Unit Start-Up Excessive vibration is the most frequent problem 1. Disconnect and lock-out all power switches to fan. experienced during initial start-up. See warning below. 2. Check all fasteners, set screws and locking collars on Common Sources of Vibration the fan, bearings, drive, motor base and accessories 1. Wheel Unbalance for tightness. 2. Drive Pulley Misalignment 3. Incorrect Belt Tension 3. Rotate the fan wheel by hand and assure no parts 4. Bearing / Coupling Misa
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Shaft Bearings Routine Maintenance The bearings for Greenheck fans are carefully Once the unit has been put into operation, a routine selected to match the maximum load and operating maintenance schedule should be set up to accomplish conditions of the specific class, arrangement, and the following: fan size. The instructions provided in this manual 1. Lubrication of bearings and motor (see below). and those provided by the bearing manufacturer, will 2. Wheel, housing, bolts and set scre
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V-Belt Drives Unit Identification V-belt drives must be checked on a regular basis This tag is an example of an identification label on the for wear, tension, alignment and dirt accumulation. fan. The information provides general details about the Premature or frequent belt failures can be caused by fan, as well as containing specific information unique to improper belt tension—either too loose or too tight— the unit. When contacting your Greenheck representative or misaligned sheaves. A
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Troubleshooting Problem Cause Corrective Action Adjust wheel. Wheel rubbing (inlet) Tighten wheel hub or bearing collars on shaft. Tighten Sheaves on motor/fan shaft. Adjust belt tension. Align V-belt drive sheaves properly (see V-Belt Drives section). Replace worn belts or sheaves. Excessive Noise Replace defective bearing(s). Lubricate bearings. Bearings Tighten collars and fasteners. Clean all dirt off wheel. Check wheel balance, rebalance if Wheel unbalance necessary. Fan Check wheel for
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Maintenance Log Date __________________ Time _____________ AM/PM Date __________________ Time _____________ AM/PM Notes: __________________________________________ Notes: __________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ ___________________________________
