Greenheck Hooded Propeller Roof Fans manual

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- informations concerning technical data of Greenheck Hooded Propeller Roof Fans
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Table of contents for the manual

  • Page 1

    18 28 1 / 4 13 23 10 40 1 / 4 27 1 / 4 48 x 51 18 20 1 / 2 20 30 1 / 4 16 27 11 44 1 / 4 28 1 / 4 54 x 51 20 22 1 / 2 24 34 1 / 4 18 29 11 46 1 / 4 28 1 / 4 66 x 63 24 26 1 / 2 30 40 1 / 4 20 34 14 51 1 / 4 31 1 / 4 75 x 75 30 32 1 / 2 36 46 1 / 4 22 39 1 / 2 17 1 / 2 56 3 / 4 34 3 / 4 88 x 87 36 38 1 / 2 42 52 1 / 4 24 42 1 / 2 18 1 / 2 59 3 / 4 3[...]

  • Page 2

    Belt Span Deflection = Belt Span 64 ROUTINE MAINTENANCE Once the fan has been put into operation, a periodic maintenance program should be set up to pr eserve the reliability and performance of the fan. Items to be included in this program ar e: • BEL TS • BEARINGS • F ASTENERS • SET SCREWS • LUBRICA TION • REMOV AL OF DUST/DIRT WRONG W[...]

  • Page 3

    BEARINGS (For belt drive fans only) Bearings a r e the most critical moving part of the fan and should be inspected at periodic intervals. Locking collars and set sc r ews, in addition to fasteners attaching the bearings to the bearing plate, must be checked for tightness. In a clean envi r onment and temperatu r es above 32° F . / below 200 ° F [...]

  • Page 4

    IOM RB 10-95 TROUBLESHOOTING PROBLEM CAUSE CORRECTIVE ACTION System resistance is too high. Check backdraft dampers for proper operation. Remove obstructions in ductwork. Clean dirty filters. Check for adequate supply air for exhaust fans or exhaust air for supply fans. Reduced airflow Fan too close to damper . Increase distance between fan and dam[...]