Samson 4708 Series - Operating the Manual;Automatic Switchover Unit; Filter with Filter Receptacle; Mounting the Air Filter

EB 8546 EN 39
Manual/automaticswitchover
7.3 Operatingthemanual/
automaticswitchoverunit
In normal operation, the manual/automatic
switchover runs in automatic mode, during
which the positioner supplies air to the pneu-
matic actuator.
Fig.16:Cap and switchover pin
To switch to manual mode, twist off the
plastic cap. Turn the switchover pin
counterclockwise and pull it (approx. 1cm)
out of the bayonet lock.
The compressed air is then routed directly
from the supply pressure regulator or from
the air supply network to the pneumatic
actuator.
To switch back to automatic mode, push in
the switchover pin again. To do this, insert
the lock pin completely into the bayonet and
lock it.
Replace plastic cap and tighten.
7.4 Filterwithlterreceptacle
The Types4708-83, -84, -86 and -87 Air
Filters are designed for universal use. They
have either G¼ or ¼-18NPT threaded
connection.
Fig.17:Types4708-83 Air Filter
7.4.1 Mountingtheairlter
Mount the air lter directly into the pipeline,
while ensuring the direction of ow (printed
on the device) is kept.
Î The lter receptacle must face down-
wards to function correctly.