Maintenance
20
INOXPA S.A.U.
· 01.610.30.11EN · (0) 2021/05
When mounting the new seal, be care to mount the parts and seals with soapy water to facilitate
their sliding.
8.7.3. Cooled mechanical seal (quench)
Disassembly
•
First follow the disassembly procedure described in chapter
8.7.1. Stator, rotor and connecting rod
•
If the protections (47A) were not removed previously, remove them now.
•
Loosen the pins (55) to remove the seal ring (31).
•
Remove the seal cover (09A) to pull out the seal at the same time as the mechanical seal (08) and the lip
seal (88B).
•
Finally, gently remove the stationary part of the seal, which has remained housed inside the seal cover and
the lip seal.
Assembly
•
Mount the fixed part of the mechanical seal (08), the lip seal (88B), the O-ring (80) and the raccords (92) to
the seal cover (09A), the quenching liquid pipes can be connected to the connections through the bearing
support windows.
•
Place the cover on the support of the bearing (06).
•
Slide the rotary part of the seal (08) into the pump shaft (05).
•
Place the seal ring (31) on the shaft and fasten it with the pins (55) according to the A dimension shown in
the following figure:
Pump type
A (mm)
KS
– 20
12,0
KS
– 25/30
16,5
KS
– 40/50
23,0
KS
– 60/80
23,5
0
1
.6
1
0
.3
2
.0
0
1
1
ATTENTION
0
1
.6
1
0
.3
2
.0
0
1
5