Maintenance and repair of the dryer
A190-930TX_EN_03_ 2009-02-06 49
Renew solenoid valves
The pilot valves equipped with solenoids must be replaced every 2 years, even if
there is no sign of wear or damage.
To replace these part, proceed as follows:
► Release pressure from dryer and shut down the unit (see page 39).
► Disconnect cable adapter (1)
from the pilot valve with coil (2).
► Loosen both screws (4) to
remove the pilot valve with
solenoid (2) from the solenoid
valve.
► Repeat above steps for all
solenoid valves.
► Mount new pilot valves with
solenoids and tighten the
screws.
To replace a complete solenoid
valve, proceed as follows:
► Loosen both Allen screws (5).
► Replace solenoid valve (2, 3).
Secure it by retightening the
Allen screws.
Finally:
► Reconnect all cable adapters.
Solenoid valves
► If no other maintenance work is to be carried out: Restart the dryer (see page
41), and check solenoid valves for tightness and proper functioning.
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