4194A, B, and C Series
5–7
Figure 5-3. Proportional Band Adjustment and Set Point Beam Details
E-RING
(KEY 27)
RETAINING CLIP
(KEY 26)
PROPORTIONAL
BAND ADJUSTMENT
(KEY 25)
ADJUSTABLE
SET POINT
PIVOT ASSEMBLY
(KEY 17)
SET POINT
BEAM ASSEMBLY
(KEY 23)
SET POINT
BEAM SHOE
(KEY 29)
MYLAR
WASHER
(KEY 22)
NOZZLE
ASSEMBLY
(KEY 21)
O-RING
SCREW
(KEY 19)
WASHER
(KEY 20)
RELAY
NOZZLE TUBING
ASSEMBLY
(KEY 18)
CAP
MYLAR
WASHER
EXPLODED VIEW
ASSEMBLED VIEW (CONTROLLER REMOVED FROM CASE)
FLAPPER
RETAINING
CLIP
E-RING
CAP
PROPORTIONAL
BAND
ADJUSTMENT
KNOB
SET POINT BEAM
BIAS SPRING
SHOE
ADJUSTMENT
SCREWS
SET POINT
BEAM ASSEMBLY
SET POINT
BEAM SHOE
LINK 3
RELAY NOZZLE
TUBING ASSEMBLY
W4194 / IL
W4193 / IL
7. While holding the proportional band adjustment
knob, remove the screw and washer (keys 19 and 20)
that hold the relay nozzle tubing assembly (key 18) to
the frame.
8. Remove the proportional band adjustment knob,
relay nozzle tubing assembly, and the set point beam
assembly from the controller.
9. Remove the relay nozzle tubing assembly (key 18)
from the set point beam assembly (key 23).
10. Remove the E-ring (key 27) from the nozzle as-
sembly (key 21).
11. Remove the nozzle assembly (key 21) and Mylar
washer (key 22) from the bottom of the set point beam
assembly (key 23).
