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Kleiss MCS120-24 System Manual v.1.1 March 2021
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www.MainlineControlSystems.com
Install the flow stopping tower onto the ball valve
and turn the tower clockwise until some resistance
is experienced.
Position the stopping tower so stopper will be
inserted into the correct position.
NOTE: MDS Stopper is always deployed opposite
of the by-pass / vent port.
Tighten the brass collar by means of the hooked
wrench and make sure the MDS Stopper stays in
the right position.
When doing this, make certain the valve doesn’t
inadvertently turn.
Close the valve of the by-pass / vent port.
Open the ball valve and check for any leaks in the
stopping tower. Use leak soap if necessary.
Correct any blow-by or leaks before continuing
stopping operation.
Push down using black handles on top of lance
until it bottoms out.
Lock the tower at this position using black locking
handle. (The chute is now in the correct position
inside the pipeline and you can commence
inserting the stopper into the pipeline.)
