12
Whisper H-80 Manual
Document #0022 REV B
SOUTHWEST WINDPOWER
2/4/2001
Installation
8. INSTALL BLADE AND NOSE CONE. BRAKE SWITCH “ON”
Installation instructions for Whisper H-80.
1. Bolt down Blade Extension (#2) to rotor using only the one bolt (#4) and lock washer (#3) nearest center of rotor.
Insure remaining Extension bolt-hole lines up with rotor by loosely inserting bolt in outer hole and tighten inner bolt
securely. Repeat for each Blade Extension.
2. Line up bolts (#4) through Nose Cone (#5) using Flat Washers (#6), and lock washers (#3). Tighten.
3. Install blade (#7), rounded edge advancing clock-wise, on Extension (#2) using cut washer (#10) on outside mount-
ing bolt. Using bolts (#11), Washers (#9 and #10), and Nuts (#8) Tighten Bolts to 18 Ft-lbs torque. Repeat for re-
maining Blades. Note: Tapered ground end of extensions faces towards blades.
Item
Description
Quantity
1
SS Blade Extension
3
2
SS Lock Washer, M10
6
3
SS Hex Bolt M10 x 40
6
4
Nose Cone
1
5
SS Flat Washer M10 x 20 (Thin)
3
6
Blade
3
7
SS Nylock Nut M10
6
9
SS Flat Washer M10 x 30 (Thick)
3
10
SS Shaved Flat Washer M10 x 30
3
11
SS Hex Bolt, M10 x 50
6
WHISPER H-80
Blade Installation
7
2
3
4
8
5
6
3
9
4
11
10
Leading Edge
Rounded
Trailing Edge Sharp
Rotor
Ground Edge
