21
Maintenance and Cleaning
V2.0/07/20
ENGLISH
Fault
Possible cause
Solution
No pressure build-up pos-
sible
Seal is defective or incor-
rect
Check the seals (size/mate-
rial/wear)
Seal not fitted properly
Check fit of the seal
Pressure release valve is
open
Close the pressure release
valve
No pressure increase pos-
sible
Air is drawn in when gener-
ating pressure
Open the pressure release
valve to purge air from the
piston system. When gen-
erating pressure, ensure
the correct position of the
test kit.
Unwanted pressure loss in
measuring set-up
Leak in test object
Check the connections
Check fit of the seals
Pump stroke is difficult
High counterpressure in the
test object
Increase pressure using the
fine adjustment valve.
7.
Maintenance and Cleaning
Maintenance
The test kit is maintenance-free and cannot be repaired by the user. In the event of a defect,
the test kit must be returned to the manufacturer for repair.
1
Check seals and O-rings for cracks and signs of wear before using the test kit.
2
Replace worn seals and O-rings.
3
Complete a visual inspection prior to using the test kit.
Seals and hydraulic hoses made of rubber, silicone or plastic may only
be used for a maximum of 6 years.
►
Replace seals and hydraulic hoses after 6 years at the latest.
Cleaning
Clean the test kit using a dry or slightly moist, lint-free cloth.
ATTENTION!
Risk of material damage through aggressive and corrosive substances.
►
Never use abrasives or volatile cleaning agents!
►
Never use any sharp-edged objects or aggressive cleaning agents!
