Flowserve HV 215 - Manual (Page 40)

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Replacing gaskets of actuating cylinder
Servicing
– continued –
To remove the actuating cylinder proceed as follows:
See drawings on page 6 and page 4
. If connecting lines are still attached to the actuating cylinder, you have to detach these connections
first.
A small amount of oil might escape. Collect the oil and dispose of it correctly.
2. Unscrew the four hexagon-head cap screws $ in the bottom of the actuating cylinder and remove
the actuating cylinder.
3. First take out the sealing plug % and the joint ring &. Use this opening to carefully pull the piston ",
the push rod 9 and the bellows 0 out of the actuating cylinder.
4. Take out the piston seal §.
5. Pull the piston " out of the bellows 0.
6. Remove the retaining ring / of the lower part of the bellows 0 and pull out the bushing =.
Take out the O-ring ) and the seal ring a.
7. Then remove the O-ring ( from the actuating cylinder.
To install the actuating cylinder B proceed as follows:
See drawing on page 4
. First insert a new O-ring
( in the actuating cylinder.
2. Insert first the seal ring a and the O-ring ) in the lower part of the bellows 0. Then put the bushing =
into the bellows 0 and secure it with the retaining ring /.
3. Then place the piston seal § onto the piston ".
4. Put the piston " into the bellows 0. Apply a light smear of hydraulic oil to the piston seal §.
Then put this component into the actuating cyclinder.
5. Screw the sealing plug % with the joint ring & into the actuating cylinder.
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