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Types EZH and EZHSO
Disk Maintenance DN 100, 150 and 200
(Figures 17 and 18)
1. If present, remove travel indicator assembly by
unscrewing the travel indicator fitting (key 141),
then pull out the stem (key 139).
For EZHSO Series: Remove closing cap (key 146),
unscrew 2 nuts (key 151) and remove washer
(key 193).
2. Remove screws (key 77).
3. Carefully lift the cap (key 70) off the upper casing
(key 11).
4. Remove the O-ring (key 75). Inspect for damage or
wear and replace if necessary.
5. Remove the O-ring (key 69). Inspect for damage or
wear and replace if necessary. Lightly lubricate O-ring
before placing inside cap (key 70).
6. Loosen captured screws (key 68) until free to spin.
7. For EZH Series: Fit eye bolt (key 35) into ring nut
(key 73) threaded hole.
8. Carefully remove the trim system from the sleeve
guide utilizing the eye bolt (key 35).
The sleeve assembly may be oriented
upside down for ease of maintenance,
but care should be taken not to drop small
components into the sleeve assembly.
9. Remove the hex socket cap screws (key 33) and
lock washers (key 32 on EZH Series and key 154 on
EZHSO Series).
10. For EZH Series: Lift off the disk retainer (key 31) and
disk assembly (key 30). Inspect for damage or wear
and replace if necessary.
For EZHSO Series: Lift off the disk holder assembly
(key 30).
11. Remove the O-ring (key 29). Inspect the O-ring for
damage or wear and replace if necessary.
12. For EZH Series: Place disk assembly (key 30) onto
disk retainer (key 31). Place disk retainer assembly
into sleeve adapter (key 27) and align screw holes.
For EZHSO Series: Place disk holder assembly
(key 30) into sleeve adaptor (key 27) and align
screw holes.
13. Place lock washer (key 32) on screws (key 33).
14. For EZH Series: Screw together the disk retainer
assembly into the sleeve adapter assembly.
For EZHSO Series: Place on socket head cap screw
(key 154). Screw together the disk holder assembly
(key 30) into the sleeve adaptor (key 27).
See Torque Specification table for proper torque.
20
Note
15. Lubricate the sleeve (key 14).
16. Carefully insert the trim system into the sleeve guide
(key 61) utilizing eye bolt (key 35). Align sleeve utilizing
the socket head cap screw (key 74) as a guide.
The key 9 O-rings may need removed and
stretched by hand in order for the sleeve
assembly to have sufficient clearance to
slide back into the sleeve guide.
17. Screw captured screws (key 68) to affix the
sleeve system. See Torque Specification table for
proper torque. Place O-ring (key 69) on cap (key 70).
18. Remove eye bolt (key 35) from ring nut (key 73)
threaded hole.
19. Carefully place the cap (key 70) on the upper 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 Specification table for proper torque.
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.
Note
Note
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