Overhauling of Centrifugal Pump And Checks

Overhauling Procedure

 > Put off breaker and remove fuse from motor starter box and issue isolation certificate

> Close suction and discharge valve

> Remove suction and discharge pipe flange bolt & nut, coupling bolt of motor coupling

> Remove pump foundation bolts & take out pump from motor

> Remove impeller lock & nut & take out the impeller

> Remove mechanical seal

> Remove bearing cover from other side & take out shaft with ball bearing

> Renew mechanical seal and bearings if required.

> Clean, replace and inspect all parts and assemble.

Important Check points

> Impeller

> Wear ring

> Neck bush

> Ball bearing

> Shaft.

> Mechanical seal