Emerson EZH and EZHSO Series Pressure Reducing Regulators Manual de instrucciones descargar pdf (Pagina 15)

EZH and EZHSO Series

attaching cap, check that travel indicator

is aligned on the cap and on the upper

actuator casing.

21. Mount O-ring (key 75) on the space between

the cap (key 70) and the upper actuator casing

(key 11).

22. Screw the eyebolts (key 35) on the cap (key 70).

NPS 4 / DN 100 Disk Maintenance

(EZHSO Series Only) (Refer to Figure 9)

1. Remove cap screws (key 77).

2. Carefully lift the cap (key 70) off of the upper

actuator casing (key 11).

3. Remove O-ring (key 75). Inspect the O-ring for

damage or wear and replace if necessary.

4. Remove O-ring (key 69). Inspect the O-ring for

damage or wear and replace if necessary. Lubricate

O-ring before placing inside the cap (key 70).

5. Remove special screws (key 68) from sleeve.

6. Carefully remove the trim system from the sleeve

guide (key 61) utilizing the eyebolt (key 35) or

stem nut.

7. Remove socket head cap screws (key 154).

8. Lift off the disk holder assembly (key 30).

9. Remove the O-ring (key 29). Inspect the O-ring

for damage or wear and replace if necessary.

Lightly lubricate O-ring before placing in the sleeve

adaptor (key 27).

10. Place disk holder assembly (key 30) into sleeve

adaptor (key 27) and align screw holes.

11. Place on socket head cap screw (key 154).

Screw together the disk holder assembly (key 30)

into the sleeve adaptor (key 27). See Torque

Specications (Table 4) for proper torque values.

12. Lubricate the sleeve (key 14).

13. Carefully insert the trim system into the sleeve

guide (key 61). Align sleeve utilizing the socket

hex cap screw (key 74) as a guide.

14. Screw special screws (key 68) to afx the sleeve

system. See Torque Specications (Table 4) for

proper torque values.

15. Place O-ring (key 69) on the cap (key 70).

16. Carefully place the cap (key 70) on the upper

actuator casing (key 11).

17. Lubricate the cap screws (key 77) before

screwing in to hold the cap (key 70) and the upper

actuator casing (key 11) together. See Torque

Specications (Table 4) for proper torque values.

Note

Rotate the cap such that the outer holes

for sensing lines are in line with upper

casing holes for sensing lines: to validate

the alignment and before attaching cap,

check that travel indicator is aligned on

the cap and on the upper casing.

18. Mount O-ring (key 75) on the cap.

NPS 1 through 3 / DN 25 through 80

Intermediate Flange O-ring Maintenance for

EZH and EZHSO Series

1. Remove nuts (key 26).

2. Carefully lift the upper actuator casing and lower

actuator casing assemblies (keys 11 and 5) off

the body (key 1).

3. Remove cap screws (key 6).

4. Lift off intermediate ange (key 25).

5. Remove O-ring (key 7). Inspect the O-ring for

damage or wear and replace if necessary. Lightly

lubricate O-ring before placing in the body (key 1).

6. Place the intermediate ange (key 25) on the body,

make sure to position the stud bolt (key 24) holes

on the outsides of the body (key 1). Secure with cap

screws (key 6). See Torque Specications (Table 4)

for proper torque values.

7. Carefully lift the upper actuator casing and lower

actuator casing assemblies (keys 11 and 5) and

position it in the body (key 1).

8. Screw in stud bolts and nuts (keys 24 and 26).

See Torque Specications (Table 4) for proper

torque values.

NPS 1 through 3 / DN 25 through 80

Actuator Assembly Maintenance

(Refer to Figures 8 and 9)

For EZH Series:

1. Make a mark on the upper actuator casing

(key 11), lower actuator casing (key 5),

intermediate ange (key 25) and body (key 1) to

indicate proper alignment.

2. Remove travel indicator assembly (keys 138,

139, 140, 141, 142A or 142B, 143, 144, 145,

160 and 192), if present, by loosening the

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Emerson EZH and EZHSO Series Pressure Reducing Regulators Manual de instrucciones Pagina 15

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