SOR 1780 Wireless Level Switch - Manual (Page 3)

Form 1564 (09.14) ©SOR Inc. 3/4
Dimensions
Linear = mm/inches
Drawing 0390759
131.4
5.17
207.3
8.16
36.3
1.43
72.7
2.86
50.8
2.00
50.8
2.00
WRENCH
FLATS
64.5 REF
2.54
128.9 REF
5.08
89.3 REF
3.52
NAMEPLATE
2" NPTM
PROCESS
CONNECTION
FLOAT
Maintenance
 Clean the float and counterweight mechanism periodically to assure continued free
movement.
 Make no adjustments to the float or counterweight mechanism. They are factory
calibrated for optimum performance.
Troubleshooting
Symptom Probable Cause
The control will not function
when installed but operates
when removed from process
connection.
a. Float travel is inadequate. Check for internal
vessel obstructions. See Mounting Requirements.
Liquid is in the vessel at the
actuation level but the unit
does not respond.
a. The float pivot pin is bound up or dirty. Clean the
float pivot pin.
b. The specific gravity of the liquid is not sufficient
to lift the float.
c. The float is leaky or collapsed. Contact the factory.