Replacement Of The Non-Return Valve Pad; Troubles Shooting - Metasys Meta Air Einbau, Betrieb Und Wartung

I. Disconnect the compressor from the main supply
II. Open the air drain cock or the condensate relief from the air receiver
and relief residual pressure contained in the air receiver
III. Manually unscrew the filter receiver
IV. Unscrew the cartridge as shown in the picture above and replace it with the
new cartridge
V. Fix again the filter receiver
Carefully place the o-ring on the lip of the filter receiver,
replace the o-ring if necessary
Models with air dryer are equipped with a pressure safety
valve placed before dryer filters, when it operates filters car-
tridges replacement is required.
15.5 Replacement of the non return valve pad
Remove the valve closing nut with
o'ring, spring and pad using a 22mm
wrench. Check that the rubber pad is
clean; if there are small metal parts or
dust, remove them all and clean the flat
work surface or replace the pad and
secure it carefully to the spring.
When finished, tighten the nut to the
valve body.

16. Troubles shooting

PROBLEM
Compressor does not start,
or stops and does not start
again.
Compressor does not reach
set pressure and overheats
easily.
PROBABLE CAUSE
Bad connections.
Blown fuse.
Overload cut-out switch has trip-
ped.
No tension or tension too low
Air receiver charged
Solenoid valve does not empty the
delivery pipe
Electric motor capacitor damaged
or not properly fitted
Inlet air filter is blocked.
NOTE: It is also possible that
more air is being required than
compressor is capable of delive-
ring.
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REMEDY
Check connections, verify stan-
dard line tension
Check connections, verify stan-
dard line tension
Open drain valve to expel air. The
compressor must restart at the
minimum pressure set in the
pressure switch.
Control the solenoid valve, clean
or replace it.
Check the tension at the capaci-
tor, in case replace it
Replace aspiration filters.