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Part #459968
®
Tubular Centrifugal & Mixed Flow
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 TCF Models QEI and QEID
Tubular Centrifugal Inline Fan
Mix
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Remove any accumulations of dirt, water, ice or snow Receiving and wipe dry before moving to indoor storage. To Upon receiving the product check to make sure all avoid “sweating” of metal parts allow cold parts to items are accounted for by referencing the bill of reach room temperature. To dry parts and packages lading to ensure all items were received. Inspect use a portable electric heater to get rid of any each crate for shipping damage before accepting moisture build up. Leave cove
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REMOVING FROM STORAGE QEI/QEID Radial Gap Adjust inlet cone position such that the radial gap As fans are removed from storage to be installed between the wheel cone and inlet cone is evenly in their final location, they should be protected and distributed around the wheel. maintained in a similar fashion, until the fan equipment goes into operation. QEI/QEID Alignment Prior to fully assembling and installing the fan and If necessary, adjust wheel position by loosening the system componen
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Poor Non-Ducted Installation 1 Fan Unit Start-Up Wheel Poor Dia. Inlet Clearance – Installation of a fan with an open inlet too close to a wall or bulkhead will cause DANGER reduced fan performance. High voltage electrical input is needed for this It is desirable to have a equipment. This work should be performed by a 1 Fan minimum of one fan wheel Wheel qualified electrician. Dia. diameter between the fan Length of Straight Duct inlet and the wall. WARNING Free Discharge – Free Disconn
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11. If the fan has inlet vanes, they should be partially 4. Any dirt accumulation on the wheel or in the closed to reduce power requirements. housing should be removed to prevent unbalance and possible damage. 12. Fans with multi-speed motors should be checked on low speed during initial start-up. 5. Isolation bases should be checked for freedom of movement and the bolts for tightness. Springs 13. Ensure proper wheel location for radial gap, should be checked for breaks and fatigue. Ru
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V-Belt Replacement Fan Bearing Lubrication The V-belt drive components, when supplied by The bearings for Greenheck fans are carefully Greenheck Fan Corporation, have been carefully selected to match the maximum load and operating selected for this unit’s specific operating condition. conditions of the specific class, arrangement and Changing V-belt drive components could result fan size. The instructions provided in this manual in unsafe operating conditions which may cause and those provid
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Fan Bearing Replacement Replacement of bearings requires disassembly of internal components. For this procedure access must be available to both the inlet and outlet ends. The following procedure assumes belts have already been loosened and removed. (Belts are removed by adjusting the motor pivot plate). Reinstall components in reverse order of removal. Reference the Radial Gap, Overlap & Alignment section to ensure proper wheel installation. Model TCF Model QEI 1. Remove cover plate from dri
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Troubleshooting Problem Cause Corrective Action Adjust wheel and/or inlet cone. Tighten wheel hub or bearing collars Wheel Rubbing Inlet on shaft. Tighten sheaves on motor/fan shaft. Adjust belt tension. Align sheaves V-Belt Drive properly (see page 6). Replace worn belts or sheaves. Excessive Noise Replace defective bearing(s). Lubricate bearings. Tighten collars and Bearings fasteners. Clean all dirt off wheel. Check wheel balance, rebalance in-place if Wheel Unbalance necessary. Fan Check
