Grain Systems PNEG-1702 - Manual (Page 84)

11. Service
84 PNEG-1702 ETL Listed GSI/FFI Portable Dryer Manual
Lubrication Procedure
If the motors are equipped with an alemite fitting, clean the tip of the fitting and grease with a grease gun.
Use 1 or 2 full strokes on motors in NEMA 215 frame and smaller. Use 2 to 3 strokes on NEMA 254 through
NEMA 365 frame. Use 3 to 4 strokes on NEMA 404 frames and larger. On motors having drain plugs,
remove drain plugs and operate motor for 20 minutes before replacing drain plug. On motors equipped
with slotted head grease screw, remove screw and apply grease tube to hole. Insert 5 cm to 8 cm length
of grease string into each hole on motors in NEMA frame and smaller. Insert 8 cm to 13 cm length on larger
motors. On motors having grease drain plugs, remove plug and operate motor for 20 minutes before
replacing drain plug.
NOTE: All of the auger and metering roll bearings are lifetime lubricated and do not require
service lubrication.
Suggested Lubrication Schedules*
Suggested Lubricants
Hours of Service per Year HP Range Kw Range
Suggested Lube
Interval
5000
1/8 to 7-1/2 0.1 to 5.6 5 Years
10 to 40 7.5 to 29.8 3 Years
50 to 150 37.3 to 111.9 1 Year
Continuous Normal Applications
1/8 to 7-1/2 0.1 to 5.6 1 Year
10 to 40 7.5 to 29.8 3 Years
50 to 150 37.3 to 111.9 9 Years
Seasonal Service (Motor is idle for 6 months or more) All All
1 Year - beginning
of season
Continuous high ambient temperatures, dirty or moist
locations, high vibrations or when shaft gets hot
1/8 to 40 0.1 to 29.8 6 Months
50 to 150 37.3 to 111.9 3 Months
* The bearings have been lubricated at the factory, thus no lubrication should be added before start-up.
Insulation Class Consistency Type Grease Frame Type
A and B Medium Polyurea Shell Dolium R 215T and Smaller
A and B Medium Polyurea Shell Dolium R 254 and Larger
F and H Medium Polyurea Shell Dolium R All