GF 582 Manual De Instrucciones página 51

Troubleshooting
Fault
Loud noise
Manometer does not
indicate anything
Manometer stays on a
constant value
Bonnet assembly (top
part) cannot be screwed
onto the base part
Possible cause
Valve oversized. Thus, the
valve only opens a
minimum, leading to
vibrations
Valve undersized. This
results in excessive flow
velocities inside the valve
Manometer defective
Buffer medium escaped
from the manometer
adaptor
Manometer defective
Drill holes in the cartridge
clogged
Spring not relieved
Spring cap is not in the
end stop, see Fig. 18
Fig. 18
Instruction manual
Troubleshooting
Check valve dimensioning
(k value)
vs
Check valve dimensioning
(k value)
vs
Replace manometer
Check manometer adaptor
and replace, if necessary
Replace manometer
Clean cartridge
Screw spring cap into the
end position, see Fig. 19
Fig. 19
51