14.4.2 Assembling The Operator; Disassembly; Disposal; Returns - GEM 490 Installation, Operating And Maintenance Instructions For The Installer And The User

14.4.2 Assembling the operator

1. Check the position of the butterfl y disc
indicated by groove a in the shaft top,
rotate butterfl y disc to correct position if
necessary.
 Groove a transverse to
piping direction: Butterfl y
valve closed.
 Groove a in piping direction:
Butterfl y valve open.
2. Manual, pneumatic and motorized
operator: Put the square or single
keyway of the butterfl y valve into the
operator shaft.
3. Take care to align the positions of disc
and optical position indicator of the
operator!
4. Tighten the operator with lock
washer(s) / spring washer(s) 3 and
bolt(s) 2.
For tightening torques see table
in chapter 14.4 "Replacing the
operator"
® The operator is assembled.
5. Commissioning according to chapter 12
"Commissioning".
15

Disassembly

Disassembly is performed observing
the same precautionary measures as for
installation.
Disassemble the butterfl y valve (see
G
chapter 11.2 "Installing the standard
version").
490
a
3
2
16

Disposal

All butterfl y valve parts must
G
be disposed of according
to relevant local or national
disposal regulations /environ-
mental protection laws.
Pay attention to adhered
G
residual material and gas
diff usion from penetrated
media.
17

Returns

1. Clean the butterfl y valve.
2. Request a goods return declaration form
from GEMÜ.
3. Returns must be made with a completed
goods return declaration.
If not completed, GEMÜ cannot process
 credits or
 repair work
but will dispose of the goods at the
operator's expense.
Note for returns:
Legal regulations for the protection
of the environment and personnel
require that the completed and
signed goods return declaration
is included with the dispatch
documents. Returned goods can
be processed only when this
declaration is completed.
18

Information

Note on Directive 2014/34/EU
(ATEX Directive):
A supplement to Directive 2014/34/
EU is included with the product if it
was ordered according to ATEX.
Note on staff training:
Please contact us at the address
on the last page for staff training
information.
Should there be any doubts or
misunderstandings in the preceding text,
the German version of this document is the
authoritative document!
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