Inspection And Maintenance; Spare Parts; Fitting/Removing Spare Parts - GEM R690 Operating Instructions Manual

14 Inspection and maintenance

14 Inspection and maintenance
The equipment is subject to pressure!
▶ Risk of severe injury or death
Depressurize the plant.
●
Completely drain the plant.
●
Hot plant components!
▶ Risk of burns
Only work on plant that has cooled
●
down.
Servicing and maintenance work must only be performed
●
by trained personnel.
Do not extend hand lever. GEMÜ shall assume no liability
●
whatsoever for damages caused by improper handling or
third-party actions.
In case of doubt, contact GEMÜ prior to commissioning.
●
1. Wear appropriate protective gear as specified in the 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 poten-
tial danger in order to prevent leakage and damage. The valve
also has to be disassembled in corresponding intervals and
checked for wear (see "Fitting/removing spare parts").

14.1 Spare parts

19
39
18
Item
A Actuator
1 Body
GEMÜ R690
WARNING
CAUTION
CAUTION
Name Order designation
A690
B690
Item
2 Diaphragm
18, 19 Screw connection kit

14.2 Fitting/removing spare parts

14.2.1 Valve disassembly (removing actuator from body)
1. Move the actuator A to the open position.
2. Remove the actuator A from the valve body 1.
3. Move the actuator A to the closed position.
Important:
▶ Clean all parts of contamination (do not damage the
parts during cleaning) following removal. Check parts for
potential damage; replace if necessary (only use genuine
parts from GEMÜ).
14.2.2 Removing the diaphragm
▶ Before removing the diaphragm, please remove the actu-
ator, see "Valve disassembly (removing actuator from
body)".
1. Pull out the diaphragm.
2. Clean all parts of remains of product and contaminants.
Do not scratch or damage parts during cleaning!
3. Check all parts for potential damage.
4. Replace damaged parts (only use genuine parts from
GEMÜ).
14.2.3 Mounting the diaphragm
14.2.3.1 General information
▶ Mount the correct diaphragm that suits the valve (suit-
A able for medium, medium concentration, temperature and
pressure). The diaphragm is a wearing part. Check the
technical condition and function of the valve before com-
missioning and during the whole duration of use. Carry
out checks regularly and determine the check intervals in
4
2
accordance with the conditions of use and/or the regulat-
ory codes and provisions applicable for this application.
3
5
1
32 / 38
Name Order designation
Code 2
Code 4
Code 17
Code 29
Code 54
Code 5M
R690 S30
NOTICE
NOTICE
NOTICE
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