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Operation
6 — 5
05_0128_0609GB
You can adjust the working pressure by turning the unloader.
Note
There is no motor speed adjustment feature on the engine. The en-
gine speed is controlled depending on the load.
1
Item
Designation
1
Handwheel on the unloader
"
Turn the handwheel on the unloader (1) clockwise to increase
the working pressure.
"
Turn the handwheel on the unloader (1) anticlockwise to de-
crease the working pressure.
After operation and prior to shutting down the machine, you will need
to depressurise the system:
"
Switch the main switch to OFF.
"
Press the high-pressure gun lever to relieve the pressure.
⇒
The residual pressure in the hose and high-pressure gun is
relieved.
Adjusting the working
pressure
6.4
Switching off the ma-
chine