Owner`s manual

United Air Specialists, Inc.

Supra-Pulse FJH Series

Cartridge Dust Collector

Revised 02/02

6.5 SERVICING THE DIRECT DRIVE

MOTOR AND FAN

Periodically inspect the fan blades to ensure proper fan

life. Clean the fan for any deposited material if required.

Grease motor every 3,600 hours with high grade ball

and roller bearing grease. Recommended greases are

Shell Dolium R or Chevron SRI.

6.6 SERVICING OPTIONAL RETURN AIR

SAFETY FILTERS/HEPA FILTERS

Periodically check the pressure drop across the safety

filters, replace when the differential pressure exceeds

2" w.g. For HEPA filters, replace when the differential

pressure exceeds 3" w.g.

Magnehelic

and Photohelic

are registered trademarks of Dwyer

Instruments, Inc.

Teflon

is a registered trademark of E.I. DuPont de Nemours & Co.

CAUTION

All electrical work should be done by a qualified

electrician in accordance with local electrical codes.

Disconnect electrical power before installing or

servicing any electrical component.