23
Purlin Mount
Used to mount fan under minimum (4) Purlin beams.
1. Use the beam mount bracket to mark drilling hole locations. After drilling out the holes, insert 1/2”-13 x
1.5” bolts and 1/2” washers through the bracket and purlin. Secure with 1/2”-13 nylock nut and 1/2”
washer.
2. Install pivot plate to beam mount bracket. Insert 1/2”-13 x 1.5” bolts and 1/2” washers through the
center holes of the pivot plate into the beam mount bracket. Secure with 1/2”-13 nylock nut and 1/2”
washer.
3. Repeat securing the mounting brackets on the other side.
4. Slide the angle iron through the grooves in the beam mount bracket. This will align with the angle iron.
5. Install angle top bracket over the angle sections on the outside of each purlin beam.
6. Insert 1/2”-13 x 4.5” bolts and 1/2” washer through the bottom center hole located in the pivot plate.
Secure with 1/2”-13 nylock nut and 1/2” washer.
7. Torque all hardware to 75 Ft-lbs/101 Nm.
Figure 20 - Purlin Mount Assembly Details
Hardware Torque
1/2” Hardware
75 Ft-lbs/101 Nm
NOTE: All hardware
must be minimum
Grade 8.
Safety
Cable
Safety
Cable
Safety
Cable
Safety
Cable
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