19
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 smart screws (key 68) to afx the sleeve
system. See Torque Specication table for
proper torque.
15. Place O-ring (key 69) on the cap (key 70).
16. Carefully place the cap on the upper actuator
casing (key 11).
17. 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.
Note
Rotate the cap such that the outer holes
for sensing lines are in line with upper
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.
Intermediate Flange O-ring Maintenance for
Types EZH and EZHSO (DN 25, 50 and 80)
1. Remove screws (key 24).
2. Carefully lift the upper and lower actuator casing
assembly (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 screws (key 24)
holes on the outside of the body (key 1). Secure
with cap screws (key 6). See Torque Specication
table for proper torque.
7. Continue with "Disk Maintenance" section, step 7.
Actuator Assembly Maintenance
DN 25, 50 and 80
Type EZH Actuator Maintenance
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, 142, 143, 144, 145 and 192), by
loosening the travel indicator tting (key 141) and
lifting out the travel indicator assembly.
3. Replace the two opposite bolts (keys 21, 22 and 23)
with the two threaded stems and nuts delivered with
the unit.
CAUTION
Secure the removal of the casings
threaded stems.
4. Remove screws, washers and hex nuts (keys 21, 22
and 23). Remove all the screws rst, then the two
threaded stems and bracket. Take care to balance
the upper actuator casing while removing the spring
tension. Carefully lift the upper actuator casing
(key 11) off the lower actuator casing (key 5).
5. Remove spring (key 13).
6. Remove screws (key 16). Lift off diaphragm (key 20)
and the inlet plate (key 18). Remove O-rings (keys 15
and 17). Inspect the diaphragm and O-rings for
damage or wear and replace if necessary.
7. Inspect the upper actuator casing (key 11), O-ring
(key 9), anti-friction split rings (key 8) and anti-friction
ring (key 4) for damage or wear. If damaged, remove
the O-rings and split rings; replace with new parts.
Lightly lubricate the O-ring and split rings. Place
the split rings in the body rst, then slide the O-ring
between the split rings.
8. Remove screws (key 24). Lift off the lower actuator
casing (key 5). Remove screws (key 33) and
spring lock washers (key 32). Lift off the disk holder
assembly (key 30) and disk retainer (key 31).
9. Slide the sleeve (key 14) out of the lower actuator
casing (key 5) and slide the outlet plate (key 19) off
the sleeve. Check the sleeve for scratches, burrs or
other damage and replace if necessary.
10. Remove the sleeve adaptor (key 27) from the sleeve
(key 14). Take care not to damage the sleeve while
removing the sleeve adaptor. Check the O-ring
(key 28) for damage and replace if necessary.
11. Place the sleeve adaptor on the sleeve and tighten.
12. Inspect the lower actuator casing (key 5), O-ring
(key 9), anti-friction split rings (key 8) and anti-friction
ring (key 4) for damage or wear. If damaged, remove
the O-ring and split rings; replace with new parts.
Lightly lubricate the O-ring and split rings. Place
the split rings in the body rst, then slide the O-ring
between the split rings.
13. Slide the outlet plate (key 19) onto the sleeve (key 14)
and slide the sleeve into the lower actuator casing
(key 5). Place the disk holder (key 30) and disk
retainer (key 31) on the sleeve adaptor (key 27).
Insert the spring lock washers (key 32) and screws
(key 33) and tighten. See Torque Specication table
for proper torque.
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