Armstrong World Industries HWC PREMIER 183 - Manual (Page 106)

Service Reference Manual UNIT COMPONENTS
5-43
SRM-HW/HWC 2/99
18.00 +/ .06 " – "
AIR FLOW
Rotation
Diameter Bore
.5002"
.5019"
3.59 +/ .09
" – "
Notes:
1. 24° Pitch, 3 Blades
2. Material: 24 Ga. Galvalume
3. Set Screw: (2) 5/16"-24 x 5/8" long square head, cup point
FIGURE 5-38 Fan Blades - HWC Models 242, 302 & 243, 303