Clearing Faults - Parker ServiceJunior Test-Kit Manual De Instrucciones

7.

Clearing Faults

ATTENTION!
Risk of material damage through improperly completed repair work.
► Never open the test kit!
► Never attempt to complete repair work yourself!
► If the test kit is defective, return the test kit to the manufacturer!
You can clear the following faults yourself:
Fault
No pressure build-up pos-
sible
Unwanted pressure loss in
measuring set-up
The initial pump stroke is
difficult
Pump stroke is difficult
V1.0/08/13
Possible cause
Seal is defective or incor-
rect
Seal not fitted properly
Pressure release valve is
open
Switchover valve is in its
middle position
Leak in test object
Not a fault, the forces of
adhesion make the initial
pump stroke difficult
High counterpressure in the
test object
Clearing Faults
Solution
Check the seals (size/mate-
rial/wear)
Check fit of the seals
Close the pressure release
valve
Set the switchover valve to
"Pressure" or "Vacuum"
Check the connections
Check fit of the seals
Complete the first pump
stroke with the pressure
release valve open
Increase pressure using the
fine adjustment valve.
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