23
WARNING
The springs are preloaded and their
tension can cause injuries.
Always wear safety goggles when
replacing the springs.
Mount or remove one spring after the
other.
Make sure that no uninvolved persons
are standing in close vicinity of the
equipment.
Pull one hinge pin out of the body until you can
insert the springs.
Put the springs with tension plates (7) onto the
plate (1.).
Push the hinge pin into the body until it hits the
stop (2.).
Pull the second hinge pin (9) out of the body.
Put the springs with tension plates as described
onto the second plate.
Large equipment is fitted with four sealing
screws (1). Small equipment has only two
sealing screws.
The following drawing shows the
equipment with four sealing screws. The
two sealing screws on top next to the eye
bolt are not shown.
Screw the sealing screws (1) with gaskets
handtight into the bores in the body.
Summary of Contents for BB 1
Page 1: ...Double Swing Check Valve BB 1 BB 2 BB 3 Original Installation Instructions 819649 00 ...
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