BIG ASS FANS 4900 Installation Manual page 21

Big Ass Fans can only be hung from an I-beam or bar joists. See page 9 for bar joist mounting instructions. Consult a
structural engineer for installation methods not covered in this manual.
WARNING: The fan should not be installed unless the structure on which the fan is to be mounted is of sound
construction, undamaged, and capable of supporting the loads of the fan and its method of mounting. A structural
engineer should verify that the structure is adequate prior to fan installation. Verifying the stability of the mounting
structure is the sole responsibility of the customer and/or end user, and Big Ass Fans hereby expressly disclaims any
liability arising therefrom, or arising from the use of any materials or hardware other than those supplied by Big Ass Fans
CAUTION: It is not recommended to mount a Big Ass Fan to a fabricated I-beam. Do not direct mount the fan to an I-beam.
CAUTION: The I-beam on which the fan will mount must be part of the existing building structure.
spacer are closer to one edge than the other. Make sure this edge of the spacer is facing the I-beam.
WARNING: Ensure there are no persons below the fan unit during installation!
1. Measure I-beam width
width of the I-beam.
Upper Yoke
I-beam
BIG ASS FAN 4900
Mounting Structure: I-Beam
Upper yoke
mounting holes
Inner holes
Middle holes
WWW.BIGASSFANS.COM ©2013 DELTA T CORP.
outer holes
middle holes
inner holes
Upper Yoke
ALL RIGHTS RESERVED
15