4.0
Enclosing tube
Locating Air Line Connection
Fall-out stop
Frame screw
Air line
adapter
Magnet
The air line connection may be rotated a full 360° for your
convenience in connecting the instrument air supply. To
rotate the switch and base assembly:
1. Loosen both the locking screw above the enclosing tube
nut and the frame screw. Refer to Figure 5.
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
Base
Enclosing
tube nut
Locking screw
1. Disconnect air line from air line adapter.
2. Loosen both the locking screw above the enclosing tube
nut, and the frame screw approximately 3 to 4 turns.
Refer to Figure 5.
3. Lift the entire base and switch assembly straight up and off
the enclosing tube.
Figure 5
5.0
Preventive Maintenance
5.0.1 Nozzle cleaning
1.
2.
Enclosing tube
3.
Flapper
adjustment screw
1
4.
⁄
16
" Allen
wrench
Strainer
5.
6.
7.
Flapper
Nozzle
O-Ring
Air line
adapter
To clean the nozzle, follow the steps below:
Unscrew and remove the adapter. Refer to Figure 6.
The o-ring and strainer will now fall out when the switch
is tipped.
Unscrew the flapper adjustment screw with a
1
⁄
16
" Allen
wrench. This will prevent damage to the flapper when
performing step 4.
Insert a
1
⁄
16
" diameter wire into the nozzle from the air line
connection side. Refer to Figure 7. The wire may be moved
back and forth to clean the opening of any accumulated
matter.
Reassemble the o-ring, strainer, and air line adapter; insert
into nozzle. Refer to Figure 6.
Securely tighten the air line adapter.
Readjust the flapper to its original position; refer to
Section 5.02 Nozzle flapper readjustment
on page 6.
Figure 6
42-685 Series J Pneumatic Switch Mechanism
5
MAGNETROL [ MAGNETROL INTERNATIONAL, INC. ]
