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TROUBLE SHOOTING(CONTINUED)
LOW FLOW
• Clogged or restricted strainer or suction line; undersized pool piping.
• Plugged or restricted discharge line or lter, valve paially closed (high gauge reading).
How to correct: Backwash strainer as per manufacturer’s instructions;
• Air leak in suction piping causing rumbling in the pump.
• Cavitation due to restricted or undersized suction line or leak at any joint, low water
level in the pool, and unrestricted discharge return lines. Correct suction condition or
throttle return lines, if practical.
NOISY PUMP
•Vibration due to improper mounting, etc. Put a rubber pad under metal mounting feet.
• Foreign matter in the pump housing. Loose stones/debris hitting the impeller could be the
cause; remove any above.
• Motor bearings noisy from normal wear, rust, overheating, or concentration of chemicals
causing seal damage which will allow chlorinated water to seep into bearings wiping out
the grease causing bearing to whine. All seal leaks should be replaced at once.
• Equipment base vibrating.
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