Grain Systems PNEG-707GSI - Manual (Page 166)

15. Fans, Divider Hopper, Reducer Walkway
166 PNEG-707 12', 18', 24' and 30' GSI Commercial Tower Dryer
Splicing
To close in space around fans, install fan housing splice and six (6) fan reducer panels as follows.
See Figure 15A on Page 154 for fan splicing.
1. Lower reducer/burner down to top of fans.
Check lower ring of reducer is centered over fan cluster. Align lower ring of reducer with two (2)
outer bolt holes in top ring of each fan.
Check fans are level.
Check reducer is exactly centered within inner wall of dryer.
2. Center fan housing splice above fan cluster, and bolt where it overlaps top rings of fans.
Use 1/2" x 1" bolts and nuts with washer.
3. Bolt lower ring of reducer in two (2) outer bolt holes in top ring of each fan. Use 3/8" x 1" bolts and
nuts with washer.
4. Bolt fan reducer panels to fill space around fans as follows.
To bolt fan reducer panels to top rings of fans or bottom ring of reducer, use 1/2" x 1" bolts and nuts
with washer.
Where fan reducer panels overlap, use 1/2" x 3/4" bolts and nuts with washer.
Figure 15AC Bolting fan housing splice, centered on
top of fan cluster.
Figure 15AD Positioning fan reducer panel.
Figure 15AE Bolting fan reducer panel.
Figure 15AF Fan housing splice installed.