9. Remove the Cover Plate Gasket.
10. For “D” through “N” orifice, removed Disc Holder
and Guide.
For “P” through “U” orifices, install the Disc
Holder Removal Tool (Baker Hughes P/N
4464604) in the top of the Disc Holder as shown
in Figure 27. Lift out and remove the Guide and
Disc Holder. Remove the Lifting Tool from the
top of the Disc Holder.
On “V” and “W” orifice valves thread two 5/8-11
NC Standard Eye Bolts into the top of the Disc
Holder as shown in Figure 28. Lift out and
remove the Guide and Disc Holder. Remove the
Eye Bolts from the top of the Disc Holder.
11. Lift the Guide off the Disc Holder. If the valve
has a Bellows avoid damage to the gasket
seating surfaces, and if present the convolutions
or the flange section of the Bellows.
Eye Bolts
Disc Holder
Guide
Top of Base
Lifting Tool
Guide
Disc Holder
Top of Base
Figure 27: Disc Holder Removal Tool (P-U)
Disc Holder
9
Disc Retainer
8
Thermodisc
7
Figure 24: Thermodisc
Disc Holder
9
O-Ring Seat Seal
19
O-Ring Retainer
18
Retainer Lockscrew
17
Figure 25: O-Ring Seat (D-J Orifices)
Disc Holder
9
Disc Retainer
8
O-Ring Seat Seal
19
Disc
7
O-Ring Retainer
18
Retainer Lockscrew
17
Figure 26: O-Ring Seat (K -W Orifices)
Figure 28: Disc Holder Removal Tool (V & W)
XIII. Disassembly of the 2900 POSRV (Cont.)
36 |
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