Emerson EZH and EZHSO Series Pressure Reducing Regulators Instrukcja Obsługi Strona 21
- Strona / 36
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Types EZH and EZHSO
21
8. Lubricate O-ring (key 34) and replace into the body.
9. Place seat ring (key 2) on top of O-ring in body.
10. Place cage (key 78) on the top of seat ring (key 2).
11. Screw sleeve guide into lower casing (key 5) utilizing
cap (key 70).
12. Lubricate the sleeve (key 14) in the upper plate contact
area and assemble the diaphragm/plates system on the
sleeve system.
13. Screw the smart screws (key 68) — already on the
sleeve — to x the diaphragm/plates system on the
sleeve system. See Torque Specication table for
proper torque.
14. Lubricate lower casing (key 5) on the diaphragm
contact area.
15. Carefully insert the trim system into the sleeve guide
(already assembled on the body) utilizing the eye-bolt
(key 35) that ts in the ring nut (key 73) threaded hole.
16. Lubricate the diaphragm (key 20) on the upper casing
contact area.
17. Carefully place the top actuator casing on the top of the
lower actuator casing/trim system using a stud to guide.
Note
Rotate the upper casing such that the outer
holes for sensing lines are perpendicular to
gas ow.
18. Lubricate threads on bolts (key 21).
19. Bolt together the upper and lower actuator casings using
bolts (key 21), washers (key 22), and nuts (key 23).
See Torque Specication table for proper torque.
20. Lubricate and mount the O-ring (key 69) on the cap
(key 70).
21. Lubricate and mount O-rings (key 9) and anti-friction
rings (key 8) inside the cap (key 70).
22. Carefully place the cap on the upper casing (key 11).
23. Lubricate cap screws (key 77) and attach cap (key 70)
to the upper casing using cap screws (key 77). See
Torque Specication table for proper torque.
24. Mount O-ring (key 75) on the cap (key 70).
25. Screw the eye-bolts (key 35) on the cap (key 70).
26. Place travel indicator assembly (keys 138, 139, 140,
141, 142, 143, 144, 145, and 192) in the upper actuator
casing (key 11), if present, and tighten the travel
indicator tting (key 141).
Type EZHSO DN 100 Actuator Assembly
Maintenance (Figure 19)
1. Remove closing cap (key 146), unscrew 2 nuts
(key 151). If present, remove travel indicator assembly
by unscrewing the travel indicator tting (key 141), then
pull out the stem (key 139).
2. Remove hex head cap screws (key 21), washers
(key 22), and hex nuts (key 23). Carefully lift the
upper actuator casing (key 11) off the lower actuator
casing (key 5). Inspect the upper actuator casing
(key 11), O-rings (key 158) and anti-friction rings
(key 157) for damage or wear. If damaged, remove
and replace with new parts. Place the anti-friction rings
in the cap rst, then slide the O-ring between the
anti-friction rings.
3. Unscrew 8 smart screws (key 68). Lift up and remove
the sleeve assembly (key 14). Lift off the diaphragm/
plates system. Remove O-ring (key 15) and replace
as needed. Inspect diaphragm (key 20) for damage
or wear, remove screws (key 16), lift off inlet plate
(key 18) to replace diaphragm and O-ring (key 17)
if necessary.
4. Unscrew 8 screws (key 77) to remove cap (key 70) from
the upper casing (key 5). Align screw holes on the cap
(key 70) to the sleeve guide screw (key 66). Remove
sleeve guide (key 61) utilizing cap (key 70) to unscrew.
Inspect O-rings (key 8), (key 64) and (key 153) for
damage or wear, replace anti-friction ring (key 9) and
O-ring (key 8) if necessary. Unscrew 8 bolts (key 6) and
remove washer (key 67). Lift off lower casing (key 5).
Inspect O-rings (key 7) and (key 63) for damage or
wear, replace them if necessary.
5. Remove cage (key 78).
6. Remove seat ring (key 2). Inspect seat ring for damage
or wear. If damaged, replace with new parts.
7. Remove O-ring (key 34) from body. Inspect for damage
or wear. If damaged, replace with new parts.
8. Lubricate O-ring (key 34) and replace into the body.
9. Place seat ring (key 2) on top of O-ring in body.
10. Place cage (key 78) on the top of seat ring (key 2).
11. Place lower casing (key 5) on top of body. Replace
washer (key 67) and tighten bolts (key 6). Screw
sleeve guide into lower casing (key 5) utilizing cap
(key 70).
12. Lubricate the sleeve (key 14) in the upper plate contact
area and assemble the diaphragm/plates system on the
sleeve system. Tighten screws (key 16) using a "star"
criss-cross pattern for ve times until proper specied
torque is achieved.
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