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5-8
Troubleshooting
Priming Problems
as by suction lift losses due to the pump being elevated above the material supply. The
easiest way to solve these problems is by immersing the pump intake in the material
supply, or by using a pressurized supply system. Other methods of minimizing restrictions
on the suction side of a pump include:
• Use as large an ID siphon hose as practical.
• Use the shortest siphon hose as practical.
• Keep the siphon strainer clean, or remove it when using very viscous materials.
• Elevate the material supply, above the pump if possible.
• Immerse the pump inlet (use a bucket or drum mount kits).
• Use ram (elevator) mounted pumps, inductor plates, or follower plates.
Preventing Air Valve and Muer Freezing
As compressed air is exhausted from the air valve, it expands rapidly, and cools the air
valve. The valve can get cold enough for water vapor to condense and freeze on or in
following actions:
•
• If you are operating the pump at high speed in a humid environment, lubricate the
• Install an air dryer to remove moisture from the air supply.
•
•
building.
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