Nederman Vacuum Blaster Manual De Usuario página 26

EN Vacuum Blaster
Problem
Vacuum Blaster keeps on blasting
after stopping with the installed
remote control system.
Problems with setting the right
pressure of the optional pressure
reducer or air keeps leaking from the
reducer.
The pressure keeps on dropping
during blasting.
26
Cause
The membrane of the
decompression valve has a hole in it
(wear).
The main air valve doesn't close.
The valve disc, O-ring or spring of
the main air valve are worn out /
broken.
The main air valve doesn't close.
Something is blocking the closing of
the valve.
The signal to the machine is not
decompressed.
The reducer is probably dirty.
The capacity of the compressor is
too small.
Solution
Replace the membrane.
Check and replace if necessary.
Check and clean the inlet and outlet
side
Check the couplings and hose of the
remote control systems.
Clean the interior.
Set a lower pressure with the
optional pressure reducer or use a
smaller nozzle and check if this is
possible.