Centrifugal Inline Fans
9
®
Grease Manufacturers
Manufacturer
Grease (NLGI #2)
U.S. Electric Motors
Grease No. 83343
Chevron U.S.A. Inc
Chevron SRI Grease #2
Mobil Oil Corporation
Mobilith
Mobil 532
Texaco, Inc.
Premium BRB #2
Texaco Multifak #2
Amoco Oil Co.
Rykon Premium #2
Exxon
Unirex N2
Shell
B Shell Alvania #2
Suggested Fan Bearing Greasing Intervals
Interval
(months)
Type of Service
1 to 3
Heavy duty in dirty, dusty locations; high ambient
temperatures; moisture laden atmosphere; vibration.
3 to 6
12 to 24 hours per day, heavy duty, or if moisture
is present
6 to 12
8 to 16 hours per day in clean, relatively dry
atmosphere
12 to 18
Infrequent operation or light duty in clean
atmosphere
Recommended Relubrication &
Frequency Intervals in Months
NOTE: If unusual environment conditions exist (extreme
temperature, moisture or contaminants) more frequent
lubrication is required.
A good quality lithium base grease, conforming to
NLGI Grade 2 consistency, such as those listed here
may be used.