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水ポンプ Armstrong 4030のPDF 据付・取扱説明書をオンラインで閲覧またはダウンロードできます。Armstrong 4030 12 ページ。 Base mounted pump
Armstrong 4030 にも：据付・取扱説明書 (12 ページ)

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symptoms

Pump Fails To deliver

Pump vibrates

Seal leaks or fails

Low delivery rate

Insufficient pressure

Low bearing life

Series 4030

Base mounted pump

reasons

• Pump not primed.

• Suction line not filled.

• Air or vapour pocket in suction line.

• Inlet of Suction pipe insufficiently submerged.

• N.P.S.H. available too low.

• Suction lift too high.

• Air leaks in suction line, gland or pump joints.

• Blocked suction.

• Incorrect rotation.

• Speed too low.

• Total head of system higher than that of pump.

• Misalignment.

• Air or vapour pocket in suction line.

• Inlet of suction pipe insufficiently submerged.

• N.P.S.H. available too low. Suction lift too high.

• Blocked suction.

• Impeller damaged.

• Packing too tight.

• Misalignment of pipework.

• Operation at low capacity.

• Rotating element out of balance.

• Shaft bent.

• Poor foundations

• Misalignment.

• Impurities in water.

• Entrained air.

• Cavitation.

• Bearing failure.

• Water treatment not allowed for.

• Air or vapour pocket in suction line.

• Inlet of suction pipe insufficiently submerged.

• N.P.S.H. available too low.

• Suction lift too high.

• Air leaks in suction line, gland or pump joints.

• Blocked suction.

• Incorrect rotation.

• Speed too low.

• Excessive system friction.

• Impeller damaged

• Incorrect rotation.

• Speed too low.

• Excessive system friction.

• Impeller damaged.

• Misalignment.

• Dirt in bearings.

• Bearings too tight.

• Bearings badly installed.

• Misalignment of pipework.

• Rotating element out of balance.

• Shaft bent.

in sta l l a t io n &

o pera t ing instr uct io n s