ADJUSTMENTS & MAINTENANCE
36
FAN BLADE REPLACEMENT
To replace the blades on the fan:
1. Remove the spout (item 1) but do not remove the
tightening bars (item 2). These bars keep the drum
contour tightly against both sides of the Blower.
1
2
Figure 54
2. Replace each blade (item 3);
3
Figure 55
3. Use a 1/8” thick spacer (item 4) to adjust the blades.
Insert the spacer between the blade and the drum
contour as shown in figure 51, then tighten the blade
in place. Tighten the bolts to a torque of 140 to 150
lbs/ft.
4. Put spout back in place while making sure to clean
the slots on the contour (item 5), specially at the bot-
tom of the Blower. Tighten the drum contour tightly
once finished.
4
5
Figure 56
5. When everything is well tighten, check fan adjust-
ment as shown in page 33.
6. Proceed with the balancing of the fan as described
in the next section. Follow steps 6 and 7 carefully to
put back together the fan shaft.
Manual no. S5516E970
E
V1.1
