Disassembly And Assembly - Saci pumps VG Serie Instrucciones De Instalación Y Manejo

SD/SV Series Submersible Pumps

Disassembly and Assembly

1. Disassembly-
When disassembling pump, have a piece of cardboard or wooden board ready to place the
different parts on as you work. Do not pile parts on top of each other. They should be laid out neatly in
rows. The "O" ring and gasket cannot be used again once they are removed. Have replacement parts
ready. Disassemble in the following order, referring to the sectional view.
! WARNING : Be sure to cut off power source beginning disassembly.
(1) Remove pump casing bolts, raise the motor section and remove pump casing.
(2) Remove shaft head bolt and impeller.
(3) Remove oil filler plug and drain lubricating oil.
(4) Remove intermediate casing bolts and intermediate oil chamber.
(Remember that any lubricating oil remaining in the mechanical seal chamber will flow out.)
(5) Carefully remove mechanical seal, taking care not to scratch sliding surface or motor shaft.
2. Assembly-
Re-assemble in reverse order of disassembly
Be careful of the following points.
(1) During re-assembly, rotate the impeller by hand and check for smooth rotation. If rotation is not
smooth, perform steps-(3) through -(5) again.
(2) Upon completion of re-assembly step -(1) rotate the impeller by hand from the suction the suction
inlet and check that it rotates smoothly without touching the suction cover before operating the
pump.
Please obtain "O" rings, shaft seals and other parts from, pump dealer. The
table of dimensions is given in "Maintenance".
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