Replacing gaskets of actuating cylinder, Maintenance – Flowserve HV 205 User Manual
Page 24
24
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Replacing gaskets of actuating cylinder
To remove the actuating cylinder proceed as follows:
Drawings see pages 6 and 25
1.
If connecting lines are still attached to the actuating cylinder
you have to detach
these lines
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
and the bellows
out ot the actuating cylinder
.
4.
Take out the piston seal
.
5.
Pull the piston
out of the bellows
.
6.
Remove the retaining ring
of the lower part of the bellows
and pull out the
bushing
. Take out the O-ring
and the seal ring
.
7.
Then remove the O-ring
from the actuating cylinder
.
To install the actuating cylinder
proceed as follows:
Drawing see page 25
1.
First insert a new O-ring
in the actuating cylinder
.
2.
Insert the seal ring
and the O-ring
in the lower part of the bellows
. Put the
bushing
into the bellows
and secure it with the retaining ring
.
3.
Then place the piston seal
onto the piston
.
4.
Put the piston
into the bellows
. 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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