14 | Baker Hughes
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2.6 If replacing the Plug Seal, install it at this time. The
Plug Seal consists of three components and should be
installed as noted in the figure below –
2.7 Prior to reinstalling the Actuator assembly onto the
Adapter housing, clean and inspect the Adapter housing
O-ring and groove as noted below. Replace if necessary.
2.8 Apply Parker
™
O-lube to the Wedgepak seals on the
Plug Seal and the Adapter O-ring prior to lowering the
Actuator into position.
2.9 While lowering the Actuator Housing, care should be
taken to assure that the unit is centered and that the Plug
Seal slides properly into place as the unit is lowered.
2.10 The inner diameter of the Adapter Housing has a slight
taper which acts to compress the Plug Seal as it slides
into place.
2.11 A slight clicking sound can be heard as the plug seal
transitions from the Adapter housing into the valve Cage.
2.12 Once the Actuator is properly seated, the Cap Screws
can be re-installed and torqued to specified levels (see
Table 5). Always torque the Cap Screws in a crisscross
pattern.
2.13 Reconnect the tubing.
2.14 Pressure test for leaks prior to returning to service.
O-ring Groove
