Bellows - Emerson Fisher KC Series Instruction Manual

4195KA, KB, KC, and KS Controllers
13. Remove the flapper assembly and link 4 as
shown in figure 6-9.
14. Remove the four machine screws (key 10),
shown in figure 6-9, that hold the flexure pivot
assembly to the frame.
15. Remove the flexure pivot assembly (key 9).
16. Install the replacement flexure pivot assembly
with the four screws (key 10). Do not tighten the
screws.
17. With the controller in the upright position, move
the flexure pivot assembly down as far as possible
and tighten the four screws (key 10).
18. Place the flapper assembly (key 11) on the
flexure pivot assembly (key 9) with link 4 through the
hole in the frame.
6-12
W4199 / IL
Figure 6-7. Bellows Assembly and Proportional Band Adjustment
(Process Scale and Proportional Band Indicator Cover Removed)
PROPORTIONAL

BELLOWS

BELLOWS
BRACKET
(KEY 31)
ADJUSTABLE
SET POINT PIVOT
ASSEMBLY (KEY 17)
SCREW AND
WASHER
(KEYS 19 AND 20)
LINK 4
LINK 2
FLAPPER LEVELING FLAPPER
SCREW NUMBER 2 ASSEMBLY
OBLONG HOLE FLEXURE PIVOT
IN FRAME ASSEMBLY SCREWS (KEY 12)
W4770 / IL
Figure 6-8. Leveling Screw Alignment
Instruction Manual
Form 5207
April 2007