USE ONLY HAYWARD GENUINE REPLACEMENT PARTS 10
Troubleshooting Continued:
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 on Page 8.
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