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AIR 403 Land Manual Document #0049 REV D
SOUTHWEST WINDPOWER 8/20/2001 30
8. MAINTENANCE
Although your AIR 403 has been designed to run for long periods without requiring any
maintenance, reliability and performance will be enhanced if you periodically inspect your
system. Before performing any inspection, be sure to shut down the turbine.
CAUTION: NEVER APPROACH THE TURBINE DURING OPERATION.
CAUTION: THE ROTOR BLADES ARE SHARP. PLEASE HANDLE WITH CARE.
The following items should be checked two months after the initial installation and then every
six months thereafter:
•= Check blades for chips or nicks. Replace blades if damaged. Do not operate the
turbine with chipped or unbalanced blades. This can cause severe wear, damage, and
possible failure. Do not install individual blades. The blades are balanced as sets.
•= Check the blade bolts and the hub nut for tightness.
•= Make sure the yaw clamp bolts securing your AIR 403 are tightened to the appropriate
torque specification see Section 3.2.1.
•= Inspect the tower.
•= Dirt or debris build-up on the blades and body may cause a decrease in performance of
the turbine and or long-term damage that is not covered by the warranty. Wash off any build-
up with clean soap and water.
•= Check all electrical connections to make sure they are tight and free from corrosion.
•= As with all charging systems, check your battery water levels and add distilled water in
accordance with manufacturer’s recommendation.
•= Check the nose cone.
•= Southwest Windpower suggests replacing the blades and bearings every five years for
optimal performance. This is only suggested for performance since the AIR 403 has been
designed to be safe and robust enough to operate with little or no maintenance for twenty
years.
9. SYSTEM REQUIREMENTS AND CONSIDERATIONS
9.1 Batteries
The following is a brief description of three common batteries. There are many grades,
sizes, voltages, and chemistries available. Battery life can vary from less than one year to
more then ten years. It is important to consult your dealer for the most up-to-date
information and for help in selecting the appropriate battery.
NOTE: Never use “automotive batteries” or any non deep-cycle battery.
