Gemü 534 Original Einbau- Und Montageanleitung Seite 27

14 Inspection and servicing
WARNING
The equipment is subject to pressure!
® Risk of severe injury or death!
Only work on depressurized plant.
G
CAUTION
Hot plant components!
® Risk of burns!
Only work on plant that has
G
cooled down.
CAUTION
Servicing and maintenance work may
G
only be performed by trained personnel.
GEMÜ shall assume no liability
G
whatsoever for damages caused by
improper handling or third-party actions.
In case of doubt, contact GEMÜ before
G
commissioning.
1. Use appropriate protective gear as
specified in plant operator's guidelines.
2. Shut off plant or plant component.
3. Secure against recommissioning.
4. Depressurize the plant or plant component.
The operator must carry out regular visual
examination of the valves dependent on
the operating conditions and the potential
danger in order to prevent leakage
and damage. The valve also has to be
disassembled in the corresponding intervals
and checked for wear (see chapter 12
"Assembly / Disassembly of spare parts").
Important:
Service and maintenance: Seals
degrade in the course of time.
After valve assembly / disassembly
check that the union nut a is tight
and retighten as necessary.
15 Disassembly
Disassembly is performed observing
the same precautionary measures as for
installation.
Disassemble the valve (see chapter 12.1
G
"Disassembly of actuator").
Unscrew the control medium lines (see
G
chapter 11.3 "Connecting the control
medium").
16 Disposal
All valve parts must be
G
disposed of according to
relevant local or national
disposal regulations /
environmental protection laws.
Pay attention to adhered
G
residual material and gas
diffusion from penetrated
media.
17 Returns
Clean the valve.
G
Request a goods return declaration form
G
from GEMÜ.
Returns must be made with a completed
G
declaration of return.
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!
29 / 36
534