- OMEGA Engineering, Inc. Liquid Level Switches Specification Manual

r--
FLOAT SHAFT OR
DRAG DISK ARM (E)
(D)
WARNING
LV-1200 Series are NOT explosion-proof devices.
3
.‘-SEALSHAFT 1 &i
(C)
DIAPHRAGM SEAL (B)
DIAPHRAM WASHER
1
FEEDTHRU SHAFT OR
SWITCH ACTUATING ARM
I
IS ASSEMBLED.
FILTER BOOT (F)
(El IS UN-
THREADED AND A NEW
SHAFT
DISK ARM (E), DURING CHANGE OF FLOAT OR DRAG DISK.
IF FLOAT SHAFT OR DRAG DISK ARM (E) REQUIRE REPLACEMENT, IT
IS NECESSARY TO REMOVE FILTER BOOT (F). SEAL SHAFT (A) MUST
THEN BE HELD FIRMLY IN A VISE OR WITH PLIERS WHILE
(El, OR
DRAG
IS CRITICALLY IMPORTANT THAT
TORQUE NOT BE APPLIED TO SEAL SHAFT (A), FLOAT SHAFT
LOCITE ADHESIVE. TO PREVENT RUPTURE OF SEAL AND
LEAKAGE INTO SWITCH AREA, IT
LV-1200 SERIES EMPLOY AN EXTERNAL SEAL SHAFT (A), A FLEX-
IBLE ELASTOMER DIAPHRAGM SEAL (B), AND AN INTERNAL FEED
THRU SHAFT OR SWITCH ACTUATING ARM (D)-REFER TO DIAGRAM
BELOW. ALL THREE ELEMENTS ARE ASSEMBLED AND LOCKED IN
PLACE WITH
ASSEMBLY WARNING
THE