KSB Etanorm-R, Installation & Operating Manual

Page: 59 / 78

7 Servicing/Maintenance
59 of 78
Etanorm-R
1222.8/13-EN
7. Undo screws 900.97 at assembly fixture 59-13.
8. Pull assembly fixture 59-13 outwards. Insert screws 900.97 into the second bore
of the assembly fixture and screw the assembly fixture to seal cover 471.01
again.
Fitting the KSB cartridge seal (4EB)
509 433 A
B
400.04
Fig. 24: Fitting the KSB cartridge seal (4EB)
400.04 Gasket A Circumferential groove
509
16)
Intermediate ring B O-rings
433 Mechanical seal
ü The notes and steps stated in ( ð Section 7.5.1, Page 56) to
( ð Section 7.5.2, Page 57) have been observed/carried out.
ü The installation area has been cleaned.
ü A suitable lubricant has been applied to the mechanical seal's O-rings (B) to
reduce the friction when sliding on the cartridge seal.
ü The KSB cartridge seal is kept in a clean and level assembly area.
ü
All dismantled parts have been cleaned and checked for wear.
ü Any damaged or worn parts have been replaced by original spare parts.
ü The sealing surfaces have been cleaned.
1. Slide thrower 507 (if any) onto shaft 210 from the pump end.
2. Screw casing cover 161 to the bearing bracket using stud 902.04 and nut 920.04.
On sizes 200-250, 200-260, 200-330, 250-300, 250-330 only: Screw casing cover
161 to bearing bracket 330 using hexagon socket head cap screw 914.03.
3. Insert gasket 400.04 into the mechanical seal.
4. Press mechanical seal 433 (cartridge design) into casing cover 161 up to the
circumferential groove (A).
16 On sizes 200-250, 250-300, 300-340,125-500/2 only