KROGHUDVVHPEO\NH\DQGGLVNUHWDLQHUNH\
For EZHSO Series:
Remove the hex socket cap
VFUHZNH\/LIWRIIWKHGLVNKROGHUDVVHPEO\
NH\'RQRWDWWHPSWWRUHPRYHWKHVOHHYH
DGDSWRUNH\
5HPRYHWKH2ULQJNH\,QVSHFWWKH2ULQJ
IRUGDPDJHRUZHDUDQGUHSODFHLIQHFHVVDU\
Lightly lubricate O-ring before placing in the sleeve
DGDSWRUNH\
Remove the cage (key 3), seat ring (key 2) and O-ring
NH\,QVSHFWWKH2ULQJIRUGDPDJHRUZHDUDQG
UHSODFHLIQHFHVVDU\/LJKWO\OXEULFDWH2ULQJEHIRUH
SODFLQJLQWKHERG\NH\
Set the seat ring (key 2) back in the body (key 1) with
WKHFXUYHGVLGHGRZQDQGWKHVHDWHGJHXS3ODFHWKH
FDJHNH\RQWRSRIVHDWULQJ7KHFDJHZLOOHQJDJH
WKHVWHSRQWKHVHDWULQJ
Place the disk holder assembly (key 30) and disk
UHWDLQHUNH\RQWKHVOHHYHDGDSWRUNH\
For EZH Series:
,QVHUWWKHORFNZDVKHUVNH\
DQGKH[VRFNHWFDSVFUHZVNH\DQGWLJKWHQ
For EZHSO Series:
,QVHUWWKHKH[VRFNHWFDSVFUHZ
NH\DQGWLJKWHQ
Carefully lift the upper actuator casing and lower actuator
casing assembly (keys 11 and 5) and place on the body
NH\6HFXUHZLWKVWXGEROWVDQGQXWVNH\VDQG
Disk Maintenance
NPS 4, 6, 8, 12 X 6 / DN 100, 150, 200 and
300 X 150 (Refer to Figures 8 and 9)
,ISUHVHQWUHPRYHWUDYHOLQGLFDWRUDVVHPEO\E\
XQVFUHZLQJWKHWUDYHOLQGLFDWRU¿WWLQJNH\WKHQSXOO
RXWWKHVWHPNH\3OHDVHVHHWKH7UDYHO,QGLFDWRU
0DLQWHQDQFHVHFWLRQIRUWKHSURSHUPDLQWHQDQFH
SURFHGXUH
For EZHSO Series:
Remove closing cap
NH\XQVFUHZQXWVNH\DQGUHPRYH
ZDVKHUNH\
5HPRYHFDSVFUHZVNH\
&DUHIXOO\OLIWWKHFDSNH\RIIRIWKHXSSHUDFWXDWRU
FDVLQJNH\
5HPRYH2ULQJNH\,QVSHFWWKH2ULQJIRUGDPDJH
RUZHDUDQGUHSODFHLIQHFHVVDU\
5HPRYHWKH2ULQJNH\,QVSHFWWKH2ULQJIRU
GDPDJHRUZHDUDQGUHSODFHLIQHFHVVDU\/XEULFDWH
2ULQJEHIRUHSODFLQJLQVLGHWKHFDSNH\
/RRVHQFDSWXUHGVFUHZVNH\XQWLOIUHHWRVSLQ
For EZH Series:
Fit eyebolt (key 35) into the upper
VSULQJVHDWNH\WKUHDGHGKROH
Carefully remove the sleeve assembly from the sleeve
JXLGHNH\XVLQJWKHH\HEROWNH\
Note
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.
Remove socket head cap screws (key 33) and lock
washers (key 32 on EZH Series and key 154 on
(=+626HULHV
For EZH Series:
Lift off the disk retainer (key 31) and
GLVNKROGHUDVVHPEO\NH\
For EZHSO Series:
Lift
RIIWKHGLVNKROGHUDVVHPEO\NH\
5HPRYHWKH2ULQJNH\,QVSHFWWKH2ULQJ
IRUGDPDJHRUZHDUDQGUHSODFHLIQHFHVVDU\
Lightly lubricate O-ring before placing in the sleeve
DGDSWRUNH\
For EZH Series:
Place disk holder assembly (key 30)
RQWRGLVNUHWDLQHUNH\3ODFHGLVNUHWDLQHU
(key 31) with the disk holder assembly (key 30)
LQWRVOHHYHDGDSWRUNH\DQGDOLJQVFUHZKROHV
For
EZHSO Series:
Place disk holder assembly
NH\LQWRVOHHYHDGDSWRUNH\DQGDOLJQ
VFUHZKROHV
3ODFHORFNZDVKHUNH\RQWRWKHVFUHZVNH\
For EZH Series:
Screw together the disk retainer
DVVHPEO\LQWRWKHVOHHYHDGDSWRUNH\
For EZHSO
Series:
Place on socket head cap screw
NH\6FUHZWRJHWKHUWKHGLVNKROGHUDVVHPEO\
NH\LQWRWKHVOHHYHDGDSWRUNH\
/XEULFDWHWKHVOHHYHNH\
Carefully insert the sleeve assembly into the sleeve
JXLGHNH\XWLOL]LQJH\HEROWNH\$OLJQVOHHYH
XWLOL]LQJWKHVRFNHWKH[FDSVFUHZNH\DVDJXLGH
Note
The O-rings (key 9) may need to be removed
and stretched by hand in order for the sleeve
assembly to have sufficient clearance to
slide back into the sleeve guide.
6FUHZFDSWXUHGVFUHZVNH\WRDI¿[WKHVOHHYH
V\VWHP3ODFH2ULQJNH\RQFDSNH\
Remove eyebolt (key 35) from upper spring seat
NH\WKUHDGHGKROH
&DUHIXOO\SODFHWKHFDSNH\RQWKHXSSHUDFWXDWRU
FDVLQJNH\
/XEULFDWHFDSVFUHZVNH\DQGDWWDFKFDSNH\
WRWKHXSSHUFDVLQJXVLQJFDSVFUHZVNH\
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 actuator casing.
11
EZH and EZHSO Series
