Parker ServiceJunior Test-Kit Manual Del Usuario página 39

just a few pumping movements.
► Pay attention that the maximum permissible pressure is not exceeded.
„ After reaching 400 bar, a great deal of effort is required to pump when the hand
grips are in their starting position.
► Increase the pressure using the fine adjustment valve.
The following methods of operation have proven successful in practice:
Single-handed operation
1 Press the
Ä The ServiceJunior is switched on. To complete further settings, refer to the Ser-
viceJunior operating manual. & "ServiceJunior Operating Instructions"
2 Turn the pressure release valve clockwise as far as possible to close it.
3 Press the hand grips together as often as necessary until the required pressure is
almost set.
4 Turn the fine adjustment valve until the test pressure is set exactly.
Ä Turn clockwise: Increase the pressure.
Ä Turn counterclockwise: Decrease the pressure.
When depressurised, the fine adjustment valve can be adjusted easily.
► Turn the fine adjustment valve with the palm of your hand to in-
► When at a pressure of 400 bar, use the fine adjustment valve to
V2.0/07/20
button on the ServiceJunior.
crease the pressure quickly.
increase the pressure to up to 700 bar.
Operating the Test Kit
Two-handed operation
17