
Whisper 100 Owners Manual
Document #0211 REV C
SOUTHWEST WINDPOWER
10/05/05
3030
Table: Symptoms of Mechanical Problems
a. Ice in generator, or ice on propeller
b. Debris between rotor and stator
c. Loose, broken or rubbing magnet
d. Bad or worn bearing
i. Wait for warm weather
i. Turn propeller gently by hand and
blow or use piece of paper to
dislodge debris
i. Contact factory or distributor to
remove rotor and re-glue magnets
i. Contact factory or distributor to
replace bearing(s)
a. Same as above, except more likely to
be high magnet or bad bearing.
b. Swelled wire keepers due to high
moisture
i. Same as above
i. Contact factory.
a. Ice on blade
b. Dirty blade
c. Split, warped or damaged blade
d. One or more blades on backwards
a. Blades on backwards.
(See blade installation)
a. Blade out of balance
b. Blade not tracking
c. Rotor (magnet can) out of balance
d. blade plate out of balance
i. Wait for warm weather. Prop will
eventually shed ice, leave running
unless there is substantial vibration
i. Clean with mild detergent
i. Contact factory or distributor to re-
place broken or damaged blade
i. See blade installation
i. Turn blades over. Leading edge ad-
vances clockwise from upwind
view.
i. Inspect for damage. Repair as
required. Retighten mounting
hardware, use Loctite or equivalent
thread-locking compound.
i. Contact factory to replace bearings
i. Contact factory to replace shaft
a. Generator loose in tower. Loose rotor
(magnet can) on shaft, loose tail,
missing rubber bumper, wires slapping
inside of mast, governor pivot bolt
loose.
c. Worn bearings
d. Shaft broken
i. Contact factory to replace blade
i. Contact factory to replace mounting
plate
i. Return to factory or distributor
i. Return to factory or distributor
1. Propeller is stationary, even in high
winds
2. Propeller will not turn at all except
in high wind, scraping or rubbing
sound at low rpm, always stops at
same propeller position
3. Propeller is harder starting, output is
lower & there is more propeller
noise than usual. Seems out of bal-
ance.
4. Propeller turns a little, never spins
rapidly
5. Tail, generator and tower vibrate or
shake excessively at all or some
wind speeds
6. Rattle or clunking from generator
Symptom
Possible Cause
Correction
Troubleshooting and Repair
30
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