Pulsafeeder DC3 Anleitung zur Fehlerbehebung PDF herunterladen (Seite 22)

22

72-001-02 Rev A

Difficulty

Probable Cause

Remedy

Noisy gearing,

knocking

Discharge pressure too high.

Reduce pressure.

Water hammer.

Install pulsation dampener.

Stroke length at partial setting.

Some operating noise is characteristic of

lost motion pumps.

Low grease level.

Add or replace grease.

Piping noisy.

Pipe size too small.

Increase size of piping - install pulsation

dampener.

Pipe runs too long.

Install pulsation dampener in line.

Pulsation dampener inoperative or

flooded.

Refill with air or inert gas. Inspect and

replace diaphragm and recharge.

No surge chamber or dampener used.

Install pulsation dampeners.

Motor overheats.

Pump overloaded.

Check operating conditions against pump

design. Verify discharge pressure

High or low voltage.

Check power source.

Loose wire.

Trace and correct.

Incorrect motor wiring

Verify and correct

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