Inspections; Maintenance Intervals - GEA VARIVENT TSVN Operating Instruction

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9.2

Inspections

Between the maintenance periods, the seals and the components must be
checked for leakage and proper function.
Carry out the following steps:
1.
9.3

Maintenance intervals

To ensure the highest operational reliability of the valves, all wearing parts should
be replaced at longer intervals.
The actual maintenance intervals can only be determined by the user since they
depend on the operating conditions, for instance:
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430BAL008565EN_1
21.03.2022
Disconnect all power and utility lines.
Markings, e.g. on lines, must not be removed.
Do not climb on the component. Use suitable access aids and working
platforms.
Mark the lines (if unmarked) prior to disassembly to ensure they are not
confused when re-assembling.
Protect open line ends with blind plugs against ingress of dirt.
Pack sensitive parts separately.
For longer periods of standstill, observe the storage conditions, see
Section 3.3, Page 15.
Regularly check:
– Stem seal between upper housing and lantern
– O-rings between the valve housings
®
Inspection has been carried out.
daily period of use,
switching frequency,
type and temperature of the product,
type and temperature of the cleaning solution,
ambient conditions.
Maintenance
Inspections
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