Valvole brevettate per compressori rotativi a vite e pistoni
Patented valves for piston and screw rotary compressor
V.M.C. s.p.a.
Via Palazzon 35 – 36051 Creazzo (VI) – ITALY
Internet
www.vmcitaly.com
-
Phone
+390444/390444/341115 -
Fax
+390444/275112
TIPO
TYPE
DC
REVISIONE
REVISION
00
DATA
DATE
02/18
GRUPPO
LINE
744
ARTICOLO
ARTICLE
.YX
MODELLO
MODEL
X3
Pagina 42 di 43
SYMPTOMS
PROBABLE CAUSE
CORRECTIVE ACTION
During unloading phase,
pressure increases up to safety
valve opening
1-The intake valve remains open.
1-Check the valve. If necessary, replace the damaged parts with the spare parts kit.
2-The calibrated nozzle is clogged.
2-Remove the calibrated nozzle. Clean or replace it.
Oil leakage from intake valve
only when the machine is
switched off: oil soaked-up air
filter
1-The intake valve does not work properly
(does not close)
1-Check the valve. If necessary, replace the damaged parts with K9 spare parts kit.
2-The non-return valve of intake valve does not work
correctly.
2-Check it and clean it.
Oil soaked-up air filter during
unloading phase
1-Too high level of oil in the tank
1-Check oil level on separator tank (see the chapter 6).
2- Clogged separator filter
2- Replace the separator filter.
3-The recovery oil viewer is dirty or does not work
appropriately.
3 -Clean it or if necessary, replace the damaged parts with the K15 spare parts kit.
If separator filter is clogged up, replace it.
The compressor remains under
loading phase.
1-The intake valve does not work properly
(does not close)
1-Check the valve. If necessary, replace the damaged parts with the spare parts kit.
Rotor seizure
1-Unknown particles inside.
1-Call VMC technical support.
2-Insufficient lubrication.
2-Call VMC technical support.
Presence of oil in the outlet of
minimun pressure valve
1-Separator filter damaged.
1-Replace the separator filter.
2-Oil recovery viewer obstructed.
2-Clean the oil recovery viewer.
3-Separator nipple with o-rings damaged.
3-Replace K1 spare parts kit.
