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10
See Detail C
(All Except Seam)
See Detail A
(At Seam Only)
See Detail B
See Detail B
X
Y
Y
X
Figure 14.
Two-Piece Fan Guard Assembly
Fan Diameter
X
Y
9’
10”
17”
10’
10”
20”
11’
10”
23”
Table 3.
-U-Bolt Location Dimensions for Two-Piece Fan Guard Fastening
Fan Guard
U-Bolt Assembly
Fan Guard Clip
3/8" Locknut
Fan Guard
Detail A
Detail B
Detail C
NOTE:
For guards mounted at
fan deck level, fasten the guard
perimeter to existing 3/8” threaded
studs protruding up from fan deck.
For guards mounted to the top
of fan cowl extension(s), fasten
the guard perimeter using 3/8” x
1-1/2” long bolts supplied with fan
guard hardware.
Two-Piece Fan Guard
1. Using six U-bolt assemblies, fasten the two halves of the fan guard together as
illustrated in
Figure 14
,
Detail B
. Locate the U-bolt assemblies along the seam
between the two guard halves per the X and Y dimension provided in
Table 3
, 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 14
,
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.
DANGER:
Fan guard must be
securely in place before the cooling
tower is placed in operation. Never
step or walk on fan guard. Failure to
follow these instructions may result
in serious injury or death.
3/8" Locknut
Fan Guard
Fan Guard Clip