Greenheck SQ-M 70 Installation, Operation And Maintenance Manual page 9

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.
Grease Manufacturers
Manufacturer Grease (NLGI #2)
U.S. Electric Motors Grease No. 83343
Chevron U.S.A. Inc Chevron SRI Grease #2
Mobilith
Mobil Oil Corporation
Mobil 532
Premium BRB #2
Texaco, Inc.
Texaco Multifak #2
Amoco Oil Co. Rykon Premium #2
Exxon Unirex N2
Shell B Shell Alvania #2
Suggested Fan Bearing Greasing Intervals
Interval
(months)
Heavy duty in dirty, dusty locations; high ambient
1 to 3
temperatures; moisture laden atmosphere; vibration.
12 to 24 hours per day, heavy duty, or if moisture
3 to 6
is present
8 to 16 hours per day in clean, relatively dry
6 to 12
atmosphere
Infrequent operation or light duty in clean
12 to 18
atmosphere
®
Type of Service
Centrifugal Inline Fans 9