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4 Repair
4.2.3 Mounting instructions for seals
Continued
Flange seals and static seals
The following procedure describes how to fit flange seals and static seals.
1
2
3
4
O-rings
The following procedure describes how to fit o-rings.
1
2
3
4
5
152
Action
Check the flange surfaces. They must be even and free from pores.
It is easy to check flatness using a gauge on the fastened joint (without sealing com-
pound).
If the flange surfaces are defective, the parts may not be used because leakage could
occur.
Clean the surfaces properly in accordance with the recommendations of ABB.
Distribute the sealing compound evenly over the surface, preferably with a brush.
Tighten the screws evenly when fastening the flange joint.
Action
Ensure that the correct o-ring size is used.
Check the o-ring for surface defects, burrs,
shape accuracy, and so on.
Check the o-ring grooves.
The grooves must be geometrically correct and
should be free of pores and contamination.
Lubricate the o-ring with grease.
Tighten the screws evenly while assembling.
© Copyright 2013 ABB. All rights reserved.
Note
Defective o-rings may not be used.
Defective o-rings may not be used.
3HAC039838-001 Revision: C
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