Grain Systems PNEG-010 - Manual (Page 24)

7. Fan Service
24 PNEG-010 Vane Axial Fan
Without Grease Outlet Plug
This requires disassembly of the motor. Contact local motor shop for assistance.
Volume of Grease to Relubricate
Bearings (Teaspoons)
Lubrication Intervals - Ball Bearing Motors
NEMA Frame Size
Up to 210 incl. 2
Over 210 to 280 incl. 3.9
Over 280 to 360 incl. 5.2
Over 360 to 449 incl. 13.4
Type of Annual Usage
1800 RPM - NEMA Frame Size 3600 RPM - NEMA Frame Size
Up to 280
incl.
Over 280 to
360 incl.
Over 360
Up to 280
incl.
Over 280 to
360 incl.
Over 360
Continuous Normal Duty * 9500 Hrs 7400 Hrs 3500 Hrs 3600 Hrs 2200 Hrs 2200 Hrs
Continuous Severe Duty ** 4750 Hrs 3700 Hrs 1750 Hrs 1800 Hrs 1100 Hrs 1100 Hrs
Seasonal Service Motor
(idle 6 months)
Lubrication at beginning of season and then follow the appropriate duty interval above.
* Clean, little corrosion with 40°C maximum temperature.
** Moderate dirt, corrosion with 50°C maximum temperature.
Average hours per month = 730.