Hayward Power-Flo LX Owners Manual - Page 9
Maintenance - pump manual
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Noisy Pump - Check For: 1. Air leak in suction piping causing rumbling in pump. 2. Cavitation due to restricted or undersized suction line or leak at any joint, low water level in pool, and unrestricted discharge return lines. Correct suction condition or throttle return lines, if practical. Holding hand over return fitting will sometimes prove this point or putting in a smaller eyeball fitting. 3. Vibration due to improper mounting, etc. Put a rubber pad under metal mounting feet. 4. Foreign matter in pump housing. Loose stones/debris hitting impeller could be cause, remove any of the above. 5. 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. 6. Equipment base vibrating. Maintenance Clean strainer basket regularly. Do NOT strike basket to clean. Inspect strainer cover gasket regularly and replace as necessary. Hayward pumps have self-lubricating motor bearings and shaft seals. No lubrication is necessary. Keep motor clean. Insure air vents are free from obstruction. Occasionally, shaft seals must be replaced, due to wear or damage. See "Shaft Seal Change Instructions" in this manual. DATE OF INSTALLATION INITIAL PRESSURE GAUGE READING (CLEAN FILTER PUMP MODEL HORSEPOWER FILTER MODEL SERIAL NUMBER USE ONLY HAYWARD GENUINE REPLACEMENT PARTS 9