Instruction Manual

Instruction Manual

D100394X012

EH (1-1/2x1 through 8x6)

December 2014

Figure 12. Installing the C-seal Plug Seal Using the Installation Tool

NOTE:

PRESS INSTALLATION TOOL OVER VALVE PLUG UNTIL THE TOOL CONTACTS THE HORIZONTAL REFERE NCE SURFACE OF THE VALVE PLUG.

C-seal

METAL

PLUG

SEAL

INSTALLATION

TOOL

A6778

VALVE

PLUG

HORIZONTAL

REFERENCE

SURFACE

FLOW DOWN

Figure 13. Stake the Threads of the C-seal Retainer

C-seal

METAL

PLUG

SEAL

VALVE

PLUG

FLOW DOWN

PISTON

RING

RETAINER

DEFORM THREAD TO

STAKE C-seal RETAINER

A6779

6. Selectanappropriatetoolsuchasapunchandplacethetipofthetoolintotheholewiththebodyofthetoolheld

tangent to the outside diameter of the retainer. Strike the tool with a hammer to rotate the retainer and free it from

thevalveplug.Removetheretainerfromtheplug.

7. Use an appropriate tool such as a flat-blade screwdriver to pry the C-seal plug seal off the plug. Use caution to avoid

scratches or other damage to the sealing surfaces where the C-seal plug seal makes contact with the valve plug

(figure 14).

8. Inspect the lower seating surface where the valve plug contacts the seat ring for wear or damage which would

prevent proper operation of the valve. Also, inspect the upperseatingsurfaceinsidethecagewheretheC-sealplug