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WARNING
Before servicing, lockout/tagout the exhaust fan, including the main electrical service and the main gas
supply.
1.
Check that the fan inlet and the intake areas (the approaches to the exhaust fan) are clean and free
from obstructions.
2.
Check the bearings for excessive play and replace, if necessary.
NOTE
In most cases, the motors are permanently lubricated.
3.
Scrape off any accumulated oil and dust from the fan, inlet, wheel, and other moving parts. Dispose of
any waste safely.
NOTE
Accumulated oil and dust can cause an imbalance in the fan’s rotation. If the blower is installed in a
corrosive or dirty location, you may need to inspect and clean the wheel and other moving parts more
often than monthly.
4.
If applicable: Check the fan belt tension; adjust the tension, if necessary. (See “Adjust belt tension”
(page 38).)
Service and maintenance
Global Finishing Solutions
28
239-062 rev 5