6. Faults / 7. Maintenance and cleaning
Faults
System provides
pressure but pressure
decays to lower value
then remains steady.
7. Maintenance and cleaning
Personnel: Skilled personnel
Protective equipment: Safety goggles
Tools: Syringe and a special needle for filling or cleaning the fluid reservoir
For contact details see chapter 1 "General information" or the back page of
the operating instructions.
7.1 Maintenance
Repairs must only be carried out by the manufacturer.
Only use original parts (see chapter 10 "Accessories").
▶
Before adapting the reference instrument and the test item, check the sealings in the
two connections for correct seating and wear.
▶
Replace the sealings, if necessary.
WIKA operating instructions, models CPP700-H and CPP1000-H
Causes
Insufficient liquid in the hand test
pump.
Air in the system
If unable to locate a cause.
Internal damage
Incorrect operating procedure
being used.
Measures
Fill the fluid reservoir with
the correct fluid (see chapter
5.4 "Filling the hand test pump
with the pressure transmission
medium")
Fill the fluid reservoir with
the correct fluid (see chapter
5.4 "Filling the hand test pump
with the pressure transmission
medium")
Return the hand test pump for
checking
Return the hand test pump for
checking
Ensure that correct operating
procedure is being followed
(see chapter 5.7 "Generating
pressure")
EN
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