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17
■EPDT-179c■
Action (11) : While securely holding top diaphragm plate
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23
with hand, unscrew 3 hexagon socket head
cap bolts
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26
.
(Hexagon socket head cap bolt
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26
26
26
and locknut
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25
25
25
will be checked for looseness in
Presumable cause I.5.)
Note: Do not attempt to twist top diaphragm plate
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23
23
23
any further. This may damage
the balance diaphragm
⑦
⑦
⑦
⑦....
Action (12) : Loosen locknut
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and remove washer
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,
top diaphragm plate
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,
diaphragm
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,
bottom diaphragm plate
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and O-ring
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.
(Presumable cause I.6: Diaphragm
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22
22
22
is damaged; and Presumable cause I.7:
Foreign material is pinched between diaphragm shell
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19
and slide of top guide
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8888
,,,,
and take appropriate Action(s) as necessary.)
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Sliding surfaces