1 Reference information
1.11. Mounting instructions for seals
253HAC023297-001 Revision: A
Flange seals and static seals
The procedure below details how to fit flange seals and static seals.
O-rings
The procedure below details how to fit o-rings.
Step Action Note
1. 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 compund).
If the flange surfaces are defective, the parts may not be used
beacuse leakage could occur.
2. Clean the surfaces properly and in accordance with ABB
ROBOTICS PRODUCTS recommendations.
3. Distribute the sealing compound evenly over the surface, preferably
with a brush.
4. Tighten the screws evenly when fastening the flange joint.
Step Action Note
1. Ensure that the correct o-ring size is used.
2. Check the o-ring for surface defects, burrs, shape accuracy, etc. Defective o-rings
may not be used.
3. Check the o-ring grooves.
The grooves must be geometrically correct and free from pores
and contamination.
Defective o-rings
may not be used.
4. Lubricate the o-ring with grease.
5. Tighten the screws evenly when assembling.
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