Recommended Relubrication Frequency 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.
Table 2: Suggested Fan Bearing Greasing Intervals
Interval | Type of Service | |
(months) | ||
| ||
|
| |
| Heavy duty in dirty, dusty locations; high ambient | |
1 to 3 | 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 | ||
| ||
|
|
Table 3: 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 | |
|
|
Parts List
NOTE
Each fan bears a manufacturer’s nameplate with model number and serial number embossed. This information will as- sist the local Greenheck representative and the factory in providing service and replacement parts. Before taking any corrective action, make certain unit is not capable of operation during repairs.
CAUTION
A fan manufactured with an explosion resistant motor does not certify the entire unit to be explosion proof.
CW Direct Drive Centrifugal Sidewall Exhaust Fan
| Windband | Birdscreen | Motor Compartment |
Mounting Plate |
| ||
|
|
|
| Wheel | Cover |
Breather Tube |
| |
|
|
Model CW/CWB • Centrifugal Sidewall Exhaust Fans
®
7
