Part No. 4801-5401 Rev 1/15
36" 48" & 52" Funnel Flow Fan
– Unassembled
Page 10 of 12
Figure 22
Figure 23
Figure 24
Straight
Edge
should
touch
pulleys in
four
places.
6.22
Refer to Figure 22. Install the motor pulley with the set
screw facing outward. Install the shaft key (1019-2417)
into the pulley. Do not tighten at this time.
6.23
Install the belt as shown in Figure 22 and align the motor
pulley to the fan and idler pulleys by using a straight
edge as shown in Figures 23 and 24. Hold the straight
edge so that the edge touches the pulleys at four places.
Perform the alignment twice, once above the shaft level
as in Figure 23 and once below the shaft level as in
Figure 24.
6.24
Tighten the motor pulley set screw to 110 inch pounds
.
IMPORTRANT: Use Lock-Tite compound
.
6.25
Affix Labels. See Figure 25.
6.26
Installation complete. (For Cone Installation, see Manual 4801-0163 FF Cone Installation)..
IMPORTANT!
Using a straightedge, align motor pulley with prop pulley as shown in Figures 23 and 24.
Figure 17 - Affix Labels
Warning Hand
(4501-1116)
Danger Hand
(4501-2622)
Danger Head
(4501-2620)
INSIDE
Product Label
(4501-0101)
Both Sides of
Orifice
Figure 25
Fan Rotary
Tensioner
(4501-6129)
48” and 52” Fan Brackets -Top View
Bearing
Maintenance
(4501-6128)
Bearing
Maintenance
(4501-6128)
36” Fan Brackets -Top View
