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Kleiss MCS120-24 System Manual v.1.1 March 2021
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www.MainlineControlSystems.com
Example II – Stopper Retraction Sequence: Stoppers Positioned Away From Work Area
Example II – Stopper Retraction Sequence: Stoppers Positioned Away From Work Area
NOTE: Always equalize pressure on both sides of the stopper before deflation or removal.
1) Deflate stopper #2.
2) Back pressure stopper #4 through the system pressure ports in towers #3 and #4.
3) Deflate stopper #4.
4) Equalize pressure on stoppers #1 and #3 through the by-pass / vent port between towers #3 and #4.
5) Use the by-pass / vent port in tower #1 or #2 to purge air from repaired area.
6) Use system pressure gauge on tower #1 or #2 to determine stoppers are equalized.
7) Deflate and remove stoppers.
8) Remove tools and install completion plugs.
NOTE: For additional set up illustrations, see Appendix B.
