INOXPA KIBER KVB-25, Инструкции по установке, обслуживанию и техническому обслуживанию, Страница: 13 / 20

12 7.Maintenance 2021/11
7.4. PUMP DISASSEMBLY/ ASSEMBLY
7.4.1. Stator, rotor
Disassembly
Insert a rod into the hole in the stator and unscrew the stator (22). Mind that it is left-threaded. Pull out
the pump casing (01) loosening the nut of the flange support (04), mind that it is also left-threaded.
Remove the rotor (21) pulling out the hexagonal screw
(52) and the hexagonal nut (54).
The stator and the upper part of the casing are left threaded.
Assembly
Attach the rotor (21) to the shaft (05) and fasten it with the hexagonal screw (52), flat washer (53) and
hexagonal nut (54). Place the O-ring (80) into the casing (01) and assemble it on the flange support (04)
with a left-threaded hexagonal nut. Place the seal stop ring (31A) to the stator (22) and with help of the
rod in the hole of the stator screw it to the casing (01) till it stops, remember that it is left threaded.
7.4.2.
Mechanical seal
Disassembly
Continue disassembling the pump in the horizontal position. Loosen the pin (55) of the seal stop ring (31) and slide it, pull it out
together with the rotating part of the mechanical seal (08). Remove the seal cover (09) with the stationary part of the
mechanical seal.
Assembly
Place the stationary part of the mechanical seal (08) into the housing of the seal cover (09) and then assemble it on the centre
of the flange support (04). Slide the rotating part of the mechanical seal along the shaft and the seal stop ring (31) and fix with
the pin (55) the
seal stop ring (31) according to the following assembly dimensions.