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screen element is then placed on top of the pipes and pushed into position. Once
the screen is in position the pipes can be removed.
Lower the tension skirts in position and snug them up so that the screen remains
centered on the ball decks. Once all of the slack has been taken up, the tension
skirts should be tightened in sequence to ensure a uniform, taut screen. The
tension skirts should not be over-tightened or the screen will be damaged.
If the ball decks have been removed simply push them back into the machine
before installing the screen. Use the set screws to loosely center the ball decks.
Once all the set screws are snug, give them one extra turn and lock them in
position with the lock nuts. Excessive tightening of the set screws can damage
the ball decks.
Screens in Sections
If the screen is in sections it is best to lay each screen section loosely on top of
its appropriate ball deck and push both together into the machine. Make sure that
the tension skirts are locked in the ‘up’ position using the supplied tool.
Each ball deck should be bolted to the next adjacent ball deck and any
overlapping seal plates attached at the same time. When all of the screens and
ball decks are in position use the set screws that secure the ball decks to loosely
center the ball decks across the width. When all of the set screws are snug, give
them one extra turn and lock them in position and snug them up so that the
screen remains centered on the ball decks.
When all of the slack has been taken up, the tension skirts should be tightened in
sequence to ensure a uniform, taut screen. The tension skirts should not be over-
tightened or the screen will be damaged.
Screens removed out of the Top of the Machine
If the screens have been removed out of the top then reassembly is the reverse
of the removal procedure. Follow the above procedures for installing the ball
decks and tensioning the screens.
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