3.0
Enclosing tube
Reversing Pilot Action
Reverse position
Direct position
Upper shoulder
screw
Frame screw
Fall-out stop
Magnet Tab
Actuator
link
Housing
base
All Series K Pneumatic Switch Mechanisms are shipped
from the factory in the direct (close) position at high level.
They can be field modified for the reverse (open) position
by following the steps below:
1. The action can be reversed by first removing the upper
shoulder screw from the actuator link and moving it from
the direct (D) position to the reverse (R); refer to Figure 3.
2. Loosen the screw that positions the spring bracket and
move it from the direct (D) position to the reverse (R) posi-
tion; refer to Figure 4.
3. Fasten screw securely.
The switch is now setup for reverse action.
Enclosing
tube nut
Locking screw
4.0
Figure 3
Locating Air Line Connection
Caution:
Instrument is designed for dry air/gas service.
The housing base may be rotated a full 360° for your con-
venience in connecting the air supply.
1. Loosen both the special locking screw above the enclosing
tube nut and the frame screw. Refer to Figure 3.
2. Rotate the entire base to the desired position.
3. Tighten both the locking screw and the frame screw.
4.0.1 Remove complete mechanism
Enclosing tube
Direct
position
Spring
bracket
Reverse
position
Fall-out spring
1. Disconnect air line from air line adapter.
2. Loosen both the special locking screw, above the enclosing
tube nut, and the frame screw approximately 3 to 4 turns.
Refer to Figure 3.
3. Lift the entire base straight up and off the enclosing tube.
⁄
4
" NPT Air line
inlet connection
1
1
⁄
4
" NPT Outlet
connection
Figure 4
2
42-686 Series K Pneumatic Switch Mechanism
MAGNETROL [ MAGNETROL INTERNATIONAL, INC. ]
