Zator DLK22LV, Руководство пользователя и по обслуживанию

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USER AND MAINTENANCE MANUAL
32
ELECTROMAGNETIC VALVE DLK22LV
CAUTION: the trouble shooting must be performed only by qualified personnel observing
the safety norms.
TROUBLE POSSIBLE CAUSE WHAT TO DO
No or little quantity
of dispensed fluid
The valve doesn’t receive any
signal
• Check the cables of the valve, the start sensor
and the encoder;
• Check the functioning data setted on the control;
• Make a manual test
The pressure of the fluid is low
or missing
Check the supply pressure
The nozzle is clogged Unscrew and clean the nozzle
The filter is dirty
(If in use)
Wash or replace the filter
Bent pipe Check the condition of the supply pipe
Residual glue into the system Wash the complete system
Leak of fluid from the
adjustment
Adjustment O-ring is damaged Replace the adjustment O-ring
Leak of fluid from the
top of the coil
O-ring inside the valve body is
damaged
Replace the O-ring inside the valve body
Nozzle drips fluid
even if the valve is
not activated
Presence of dirt inside the
nozzle
Clean or replace the nozzle
The valve is activated
with a lag
The needle spring is deteriorated Replace the needle spring
7 TROUBLE SHOOTING