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14
Figure 20.
Two-Piece Fan Guard Assembly
Detail A
Detail B
Detail C
Y
X
3/8” Bolt
3/8” Bolt
U Bolt Assembly
3/8” Flatwasher
3/8” Locknut
3/8”
Flatwasher
3/8”
Locknut
Fan Guard Clip
Two-Piece Fan Guard
1. Using six U-bolt assemblies, fasten the two halves of the fan guard together as
illustrated in
Figure 20, Detail B
. Locate the U-bolt assemblies along the seam
between the two guard halves per the X and Y dimension provided in
Table 2
, which
are based on the diameter of the supplied fan.
2. Gradually tighten both nuts of the U-bolt assembly, alternating from one to the other,
until 20-25 ft-lb of torque is achieved.
3. Mount the fan guard to the unit as illustrated in
Figure 20, Detail A
for the ends of
the seam where the two guard halves join together, and
Detail C
for all other locations
around the fan guard perimeter.
Fan Diameter
X
Y
9’
10”
17”
10’
10”
20”
11’
10”
23”
Table 2.
U-Bolt Location Dimensions for Two-Piece Fan Guard Fastening
DANGER:
Fan guard must be
securely in place before the unit
is placed in operation. Never step
or walk on the fan guard. Failure
to follow these instructions may
result in serious injury or death.
Fan Guard
Clip