Emerson EZH and EZHSO Series Pressure Reducing Regulators Manuel d'instructions télécharger pdf (Page 14)

EZH and EZHSO Series

9. Carefully lift the upper actuator casing and lower

actuator casing assembly (keys 11 and 5) and place

on the body (key 1). Secure with stud bolts and nuts

(keys 24 and 26). See Torque Specications

(Table 4) for proper torque values.

For EZHSO Series:

1. Remove nuts (key 26).

2. Carefully lift the upper actuator casing and lower

actuator casing assembly (keys 11 and 5) off the

body (key 1).

3. Remove the hex socket cap screw (key 154).

Lift off the disk holder assembly (key 30). Do not

attempt to remove the sleeve adaptor (key 27).

4. 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).

5. Remove the cage (key 3), seat ring (key 2) and

O-ring (key 34). Inspect the O-ring for damage or

wear and replace if necessary. Lightly lubricate

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

6. Set the seat ring (key 2) back in the body (key 1)

with the curved side down and the seat edge up.

Place the cage (key 3) on top of seat ring. The

cage will engage the step on the seat ring.

7. Place the disk holder assembly (key 30) on the

sleeve adaptor (key 27).

8. Insert the hex socket cap screw (key 154) and

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

proper torque values.

9. Carefully lift the upper actuator casing and lower

actuator casing assembly (keys 11 and 5) and

place on the body (key 1). Secure with stud

bolts and nuts (keys 24 and 26). See Torque

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

NPS 4 / DN 100 Disk Maintenance

(EZH Series Only) (Refer to Figure 8)

1. Remove cap screws (key 77).

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

actuator casing (key 11) and unscrew the eyebolts

(key 35) from the cap (key 70).

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

damage or wear and replace if necessary.

4. Remove the 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

(key 14).

6. Fit eyebolt (key 35) into the upper spring seat

(key 73) threaded hole.

7. Carefully remove the trim system from the sleeve

guide (key 61) using the eyebolts (key 35).

8. Remove socket head cap screws (key 33) and

lock washers (key 32).

9. Lift off the disk retainer (key 31) and disk holder

assembly (key 30).

10. 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).

11. Place disk holder assembly (key 30) onto disk

retainer (key 31).

12. Place disk retainer (key 31) with the disk holder

assembly (key 30) into sleeve adaptor (key 27)

and align screw holes.

13. Place lock washer (key 32) onto the screws

(key 33).

14. Screw together the disk retainer assembly into

the sleeve adaptor (key 27). See Torque

Specications (Table 4) table for proper

torque values.

15. Lubricate the sleeve (key 14).

16. Carefully insert the trim system into the sleeve

guide (key 61) utilizing eyebolt (key 35). Align

sleeve utilizing the socket hex cap screw (key 74)

as a guide.

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

system. See Torque Specications (Table 4)

for proper torque values. Place O-ring (key 69)

on cap.

18. Remove eyebolt (key 35) from upper spring seat

(key 73) threaded hole.

19. Carefully place the cap on the upper actuator

casing (key 11).

20. Lubricate cap screws (key 77) and attach cap

(key 70) to the upper casing using cap screws

(key 77). 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

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Emerson EZH and EZHSO Series Pressure Reducing Regulators Manuel d'instructions Page 14

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