November 2022
6022221B - Direct Drive HVLS Fan UM
31
Installation
Do not lean on the blade. Damage to the strut
may occur.
7.
Install the retention lock nuts.
8. Hand tighten the nuts to ensure the strut
arms are firmly pressing against the hub.
9.
Torque the blade retention nuts to
24-28 ft-lbs. See
Figure 19.
10. Repeat steps 1 through 9 for each blade
assembly.
VERIFY CLEARANCE AND CABLE TENSION
1. Rotate the fan by hand and observe the
clearance of each blade with the closest
obstruction.
If necessary, reposition the fan.
NOTE:
Blade tips droop when they are not in operation
and rise when in operation.
2. Verify the guy wire tension by attempting
to move the powerhead in any horizontal
direction.
If you detect movement, re-tension the guy
wires.
3.
Lock the individual turnbuckles using the
stop nut on each.
4.
Secure the turnbuckle with the turnbuckle
strap. See
Figure 20
.
Figure 19
Blade retention
lock nuts
Figure 20
Turnbuckle strap
TOC