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STEM AND DISC HOLDER COMPONENT REPLACE-
MENT (See Fig. 4)
Shut down system (supply air and control medium).
Remove operator and packing components as previ-
ously discussed.
4. VP5 13A models:
a. Remove stem and disc holder assembly from valve
body.
b. Remove throttling plug (Fig. 2, @
75- 1707
).
) for access
Fig. 4. Details of VP513B
to defective components. Be sure O-ring seal is in
position on valve stem.
Inspect integral valve seat (Fig. 2 , @
tive, replace complete valve.
d.
Replace parts as required (see PARTS LIST).
5. VP5 13B models:
a. Remove valve seat with special tool, Part No.
CCM3833, and lift out stem assembly.
b. Replace components as required by removing disc
holder mounting screw. See PARTS LIST for parts
ordering information.
6. Reassemble and start up system. Observe operation
through several cycles.
). If defec-
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