W W W . B A L T I M O R E A I R C O I L . C O M . A U
7
M A R 2 0 8 - 0
Field Sealing Of Basin To Casing Post Joint
(copper coils only)
Procedure:
1. Clean area for 30mm either side of the joint. Total width 60mm.
Use emery paper to rough up surface and remove sheen. Wipe with
acetone and allow to dry.
2. Wrap a layer of masking tape around post 30mm below joint and
a layer 30mm above the joint. This will assist in limiting spread of
excess sealer beyond sealing area.
3. Apply enough sealer on all faces of the square posts to give 2mm
thick coverage 30mm either side of the joint. Use a scraper to
spread this evenly over the surface. The sealer has a working time
of 30 minutes before skinning over.
4. Wrap berglass cloth over the joint and press into the sealer. Cloth
provided should wrap around the post approximately three times.
5. Apply and spread extra sealer if required to ensure berglass cloth
is coated with sealer.
6. Remove masking tape applied at step (2) and tidy up edges with
a scraper.
Figure 4. Sealing of Basin to Casing Post Joint
Basin Post
Easytape & Sealer
Casing Post
2 Min
60
Unit Rigging & Assembly
Field Sealing of Basin to Casing
Post Joint
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