Overhauling Procedure
> 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