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7. Faults

7. Faults
Personnel:
Skilled personnel
Protective equipment: Wear safety goggles
Tools: Open-ended spanner SW 36
Only use original parts (see chapter 11 Accessories)
WARNING!
If faults cannot be repaired, the system must be put out of operation immediately
and this information is to be given to the manufacturer.
Repairs must only be carried out by the manufacturer. Interventions and changes
on the appliance are not allowed.
In case of faults caused by defects of the hydraulic equipment the operators must inform their
superiors immediately and call in the qualified and authorised technical staff for maintenance.
Faults
Unable to build up pressure
during pre-pressure generation
Unable to build up pressure / oil
discharge at the test
connections
WIKA Operating Instruction, model CPP7000-X
Causes
There could be a leakage
in the process
Not enough operating
fluid is inside the
reservoir.
Leakage at the connection for
the device under test or
reference instrument.
Measures
Close low-pressure shut-off
valve Correctly
Caution:
Do not tighten the
shut-off valve more
than finger tight.
Otherwise the valve
seat could be
damaged.
Check whether there is enough
operating fluid in the tank.
Tighten the device under test
and the reference instrument
with the connecting adapter and
knurled nut (see section 6.1.2)
In case of wear or damage to
the sealing cone, proceed as
described in section 8.1.1.
EN
21

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