Operating instructions
12
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7
Maintenance
7.1
Safety during cleaning
Take note of the specifications in the safety data sheet and the general occupational health and
safety rules if degreasers are used for process-related reasons for the cleaning of bearing parts,
fittings and other precision parts.
7.2
Maintenance
The maintenance intervals must be defined by the user according to the operating conditions.
The recommendations for the functional checking of the safety valves are to be taken from section 7.2.1
"Recommended inspection and maintenance intervals" in these operating instructions.
7.2.1
Recommended inspection and maintenance intervals
Inspection
During
commissio
ning
annuall
y
2 years
5 years
10 years
Correspondence to
design drawing,
specifications,
type approval,
marking,
X
-
-
-
-
Suitability
(medium, size, temperature,
pressure, setting)
X
-
-
-
-
Visual inspection
of the valve for damage
of the marking for
legibility
X
X
X
X
X
Correspondence of the
technical data for the valve to
the documentation
X
X
X
X
X
Leak-tightness
Fittings
of the valve seat
X
X
X
X
X
If existent, actuation of the
lifting
X
X
X
X
X
Static pressure test with clean
water or another suitable
liquid
-
-
-
-
X
Visual examination of the
plant components for cracks,
inadmissible changes in
shape or leaks
-
-
-
-
X