ALITA AL Series Manuel d'utilisation et d'entretien - Page 4
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OPERATION NOTES
Do not block or restrict pump discharge. Excessive back pressures can stress and shorten the service life of pump
diaphragms and may lead to pump damages. Vent excess air volume with a bleed valve.
Efficient air delivery or division can be accomplished by:
•
Use airline with large inner diameter and matching pipe fittings. For
example, 3/8" ID and 1/4" ID airline offer 4X and 1.8X more cross
sectional area than that of 3/16" ID airline, respectively. When lengthy
airline is installed, friction loss from larger airline is very low or
negligible.
•
When dividing the air volume to multiple outlets, use the largest airline
tube possible between the pump and the air manifold. Select or
construct an air manifold that offers a large inlet fitting. Gang valve with same size inlet and outlets is useful for
subdivision.
•
Select air diffusing media (i.e. air stone, porous pipe, etc.) with large surface area or in sufficient quantity. Higher air
resistance may develop due to limited diffusing area.
PROPER VENTILATION The air pump must have sufficient room and air circulation for proper heat dissipation. Good
ventilation ensures lower operating temperature and prevent thermal stress to key components such as pump diaphragms
and coil windings.
Proper winterization technique may require the pump be relocated indoor or protected by an enclosure. Avoid any pump
enclosure that insulate and increase the pump's operating temperature. Modify the enclosure if the pump's operating
temperature is higher than normal.
In case of unusual noise or odor from the pump, turn off the power immediately, consult the maintenance guide, or contact
your nearest pump representative or Alita service department for assistance.
CAUTIONS
•
Do not attempt to operate this pump with corrosive gases, fluids, airborne particles or solids. Any vapor or oil-based
contaminants must be filtered out.
•
Do not lubricate this oil-less air pump. No parts on this pump have oil or require lubrication. Avoid close proximity to
products that may release oil or gasoline vapors.
MAINTENANCE GUIDE
Periodic pump maintenance is required for reliable continuous operation. Any maintenance of the pump other than those
described within this manual must be performed by an authorized service facility. Always unplug pump prior to
maintenance. Grasp plug to remove cord from electrical outlet. Do not remove by pulling on power cord.
Air inlet should be inspected and cleaned every 3 months of operation. To remove any debris or material lodged within the
intake, sit pump upside-down and remove all 4 corner screws. Lift away upper housing and proceed to clean the intake.
Reinstall upper housing after cleaning.