Commissioning - Gemü 653 Original Einbau- Und Montageanleitung

Setting the proximity switch for the
CLOSED position:
Remove lower screw 5 (see delivery
G
condition on page 48) from bonnet.
Move the bonnet to the closed position.
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At least 2/3 of the damping cam 3 must
G
be visible.
Otherwise please proceed as follows:
• Remove threaded plug 1.
• Loosen grub screw 2 by 1-1.5 turns.
Do not unscrew grub screw 2 more than
that to prevent it from falling inside the
valve.
• Correct the position of the damping
cam 3.
• Secure the position of damping cam 3
by fixing it with grub screw 2.
• Screw in threaded plug 1.
Screw in proximity switch 7 until it
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touches damping cam 3.
Turn back proximity switch 7 by 1/2 to 3/4
G
turns.
Secure this position by fixing it with nut Y.
G
4
5
Setting the damping cam

13 Commissioning

Protect against leakage!
Provide precautionary measures
G
against exceeding the maximum
permitted pressures caused by
pressure surges (water hammer).
Prior to cleaning or commissioning the
plant:
Check the tightness and the function of
G
the diaphragm valve (close and reopen
the diaphragm valve).
If the plant is new and after repairs rinse
G
the piping system with a fully opened
diaphragm valve (to remove any harmful
foreign matter).
2
Cleaning:
The plant operator is responsible for

selecting the cleaning material and
performing the procedure.
1
Important:
Service and maintenance:
Diaphragms degrade in the course
of time. After valve disassembly /
3
assembly check that the bolts and
nuts on the body are tight and
retighten as necessary (at the very
latest after the first sterilisation
process).
49 / 56
WARNING
Corrosive chemicals!
Risk of caustic burns!
®
Check the tightness of the
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media connections prior to
commissioning!
Use only the appropriate
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protective gear when
performing the tightness
check.
CAUTION
653, 654