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DAMPER BLADE
FLOW
FLOW
DAMPER BLADE
Table of Components
Applicable Model
HPR-120
Axle adapter,
HPR-120
Axle adapter, short, 3/4 in. OD
All
3/4 in. crankarm
All
⁄
3
8
All
⁄
3
8
All
Short counterweight arm (81/2 in.)
All
Long counterweight arm (121/2 in.)
All
⁄
3
8
All
⁄
3
8
All
Counterweight plate, 11/4 in. x 31/2 in.
All
Counterweight plate, 21/2 in. x 31/2 in.
All
Counterweight plate, 31/2 in. x 31/2 in.
All
Bolt, 1/4 in. - 20 x 11/4 in.
All
Bolt, 1/4 in. - 20 x 11/2 in.
All
Nut, 1/4 in. - 20
Our Commitment
As a result of our commitment to continuous improvement, Greenheck reserves the right to change specifications
without notice.
Product warranties can be found online at Greenheck.com, either on the specific product page or in the
literature section of the website at Greenheck.com/Resources/Library/Literature.
®
Phone: 715.359.6171 • Fax: 715.355.2399 • Parts: 800.355.5354 • E-mail: gfcinfo@greenheck.com • Website: www.greenheck.com
2
469134 • HPR Series, Rev. 7, September 2023
Figure 2 Vertical Up Flow
Figure 3 Vertical Down Flow
Components
⁄
in. sq. to 3/4 in. OD, 3 in. long
3
8
in.-16 x 2 crankarm bolt
in.-16 hex nut for crankarm
in.-16 set screw for short/long arm
in.-16 weld nut for short/long arm
1
2
Small crankarm
8 1/2 in. (216mm)
Medium crankarm
12 1/2 in. (318mm)
Large crankarm
Figure 4: Crankarms
Galvanized Part
Stainless Steel
Number
Part Number
458959
370120
653630
415882
415457
647344
657343
415050
415127
653144
653143
653142
415973
415517
415455
Copyright © 2023 Greenheck Fan Corporation
3
NA
416343
687738
415924
416168
689404
683951
415763
415928
687637
687636
687635
NA
416103
415575
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