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Models NYD & NYB • Tamper-Resistant Centrifugal Roof Exhaust Fans

Parts List

NOTE:

Each fan bears a manufacturer’s nameplate with model number and serial number embossed. This information

will assist the local Greenheck representative and the factory in providing service and replacement parts.

Before taking any corrective action, make certain unit is not capable of operation during repairs.

CAUTION:

A fan manufactured with an explosion resistant motor does not certify the entire unit to be explosion proof.

NYB Belt Drive Centrifugal Roof Exhaust Fan

BEARING

PULLEY

HOOD

FAN SHAFT

CURB CAP

BELT

MOTOR

ISOLATORS

WHEEL

HOUSING

BIRDSCREEN

SUPPORT FRAME

DRIVE FRAME

WIRING CONDUIT

Содержание NYD

Страница 1: ...facturer s engraved metal nameplate containing the model number and individual serial number Only qualified personnel should install this fan Personnel should have a clear understanding of these instr...

Страница 2: ...location and fasten securely through mounting holes in base Shims may be necessary depending upon roofing material thickness The following diagram depicts dimensions for models NYD and NYB A heavy ga...

Страница 3: ...cur Immediately remove the original rust preventive coating with petroleum solvent and clean with lint free cloths Polish any remaining rust from surface with crocus cloth or fine emery paper and oil...

Страница 4: ...articular check the setscrews in wheel hub and pulleys if applicable 2 While in the OFF position or before connecting the fan to power turn the fan wheel by hand to be sure it is not striking the vent...

Страница 5: ...e performed prior to restarting unit A proper maintenance program will help these units deliver years of dependable service Belt Bearing Maintenance NYB Unit 1 Belts tend to stretch after a period of...

Страница 6: ...perature moisture or contaminants A good quality lithium base grease conforming to NLGI Grade 2 consistency such as those listed here may be used Troubleshooting WARNING Before taking any corrective a...

Страница 7: ...he factory in providing service and replacement parts Before taking any corrective action make certain unit is not capable of operation during repairs CAUTION A fan manufactured with an explosion resi...

Страница 8: ...rves the right to change specifications without notice Greenheck Catalog NYD NYB provides additional information describing the equipment fan performance available accessories and specification data W...