Fisher EZ easy-e Instruction Manual page 14

EZ Valve
November 2017
The seating surfaces of the valve plug post and seat ring must be free from nicks, scratches, or any other damage
which could affect the proper shutoff. Replace or repair trim parts as appropriate.
Note
If the soft seat disk is damaged, the entire plug assembly must be replaced.
Valves with ENVIRO‐SEAL Bellows Seal Bonnets
Perform the following steps to remove the valve trim.
1. Lift the stem/bellows assembly with valve plug attached [or the plug guide, disk retainer, and disk (keys 27, 28, and
29, figure 13) if used], seat ring retainer and gaskets out of the valve body and set them on a protective surface.
Note
With some valve plug sizes and configurations, the seat ring retainer and bushing assembly (keys 3 and 26, figures 12 and 13) will
come out of the valve body with the stem/bellows, and in other valve plug sizes and configurations, the valve plug or tip will slide
through the seat ring retainer and bushing assembly, leaving the retainer and bushing assembly in the valve body.
2. If the seat ring retainer and bushing assembly (keys 3 and 26) stayed in the valve, lift them out along with gaskets
and shim (keys 10, 12, and 25).
3. If the seat ring retainer and bushing assembly (keys 3 and 26) came out of the valve with the stem/bellows
assembly, move the seat ring retainer and bushing assembly against the shoulder of the valve plug (key 2) or valve
plug guide (key 27, figure 13) to provide access to the pin (key 36, figure 11).
VALVE STEM
mm
9.5
12.7
19.0
Figure 10. Bolt Torque for Plug/Stem Connection and Plug/Adaptor Connection and Pin Replacement
CU8376-C
35A5717-C
MICRO-FLUTE
A2415-2
4. Place the stem/bellows assembly and valve plug or valve plug guide in a soft‐jaw chuck or other type of vise so that
the jaws grip a portion of the valve plug or valve plug guide that is not a seating or guiding surface. Drive out the pin
(key 36, figure 11).
14
BOLT TORQUE
Inch NSm
3/8 40‐47
1/2 81‐115
3/4 237‐339
D
GROOVE PIN
FULL SIZE AND RESTRICTED
DRILL SIZE,
INCH
LbfSft
25‐35 3/32
60‐85 1/8
175‐250 3/16
D
Instruction Manual
D100401X012
D DIMENSION
mm Inch
16 0.625
19 0.75
25 1