Faults - WIKA IV10 Operating Instructions Manual

5. Commissioning, operation / 6. Faults
Models IV50, IV51
1. Close vent valves (red).
2. Open compensating valve (green).
3. To avoid pressure surges, open the shut-off valves (blue) slowly.
The pressure is at the instrument connection now.
4. Close compensating valve (green).

6. Faults

The following table contains the most frequent causes of
faults and the necessary countermeasures.
Faults
Difficult handle
operation
Leakage at the
spindle
WIKA operating instructions, shut-off valves and valve manifolds
Causes
Lubrication problem due to
unchanged valve position for a
long time period
Defective parts due to
corrosion, process conditions,
age
Overtightened gland nut,
defective sealing packing
Leaking sealing packing
Measures
Perform a functional test
as described in chapter
" "
7.1 Maintenance
shorten inspection interval
as appropriate
Replace product
Replace product
See chapter 7.2 "Repair"
EN
and
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