Instal
la
tion
and
Op
er
at
ing M
a
nu
al
/
Ver
si
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n 1.
5/
91800271810, Protection
Class
EN / Pr
ot
ectio
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Class
0: Off
en
(p
u
b
lic
)/ 2
0
14
-09-
03
35
WSR-D80112-S
Maintenance, Servicing and Inspection
8
Maintenance, Servicing and
Inspection
NOTICE
For trouble-free and reliable operation of the way valve, inspection,
maintenance and servicing are necessary and need to be performed in certain
intervals.
The intervals indicated apply to way valve operation and proper use within the
permissible operating conditions. For continuous operation in extreme ranges,
shorter intervals are recommended.
8.1 Maintenance
and
Servicing
NOTICE
These inspection works can be performed by the operator's qualified staff,
provided they meet the relevant criteria stated in Chapter 1.5.
Maintenance intervals
Maintenance work
Routine inspection
Check pipes, pipe unions and connections on the way
valve for leaks, impurities and damage.
Remedy any leaks, impurities and damages detected,
as required, during appropriate operating phases.
Monitor the way valve operating behavior for any
changes (e.g. noise). Analyze and eliminate the causes,
as required, during appropriate operating phases.
Inspection after
approx. 740 operating hours or
1x per month
Take an oil sample from the oil tank and check it for
solid and suspended matters, water content, change of
color and air bubbles. Check the oil sample for oil
cleanliness.
Check and change the oil, as required, during
appropriate operating phases.
Inspection after
approx. 8000 operating hours or
1x per year
Take an oil sample from the oil tank and analyze it
chemically.
Check and change the oil, as required, during
appropriate operating phases.
Check the electrical connections of the way valve and
retighten them, if necessary.
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