TAB Journal Spring 2018 - 13
It was necessary to go to the fan
to investigate. The fan motor was
found to be running without the
belt. A replacement was found
and installed with the sheave
adjusted to its maximum position.
Obviously, the 215 CFM was
building pressure escaping up the
Fan motor running without a belt.
The terminals were re-measured
with a slight increase to 294 CFM
or 13% of design. Since the fan
performance was not part of the
contract, the preliminary report
of findings was relayed to the
Approval was given to investigate
further. With the help of the
general contractor, the fan was
removed from its roof curb. The
Blower Doors & DucTesters
35 lb Commercial DucTester
Automated SMACNA compliant reports.
Blower Door Tessng At Any Size
Most powerful blower door on the market.
www.retrotec.com | firstname.lastname@example.org | 1-855-738-7683
TAB Journal Spring 2018