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Instruction Manual
June 2008
FEEDBACK
ROLLER
(KEY 175)
A6841 / IL
Figure 5. Typical Mounting Details for 3611JP and 3621JP Positioners on 585C Actuator
Refer to figure 5 for parts identification.
1. Stroke the actuator from the top stop to the
bottom stop, and record the travel distance.
2. Loosen the four captive cover screws and
remove the positioner cover (key 41, figure 28).
3. Mount the stem bracket (key 195) to the actuator
with two hex nuts (key 197).
4. Disconnect the positioner range spring (key 150,
figure 25) from the range spring hanger (key 130,
figure 25).
5. Attach the feedback roller (key 175) to the stem
bracket (key 195) with the button head screw
(key 173).
6. Attach the positioner adaptor (key 113) to the
mounting bracket (key 194) with four hex nuts
(key 197) and four hex socket cap screws (key 54).
7. Remove the positioner cover. Attach the 3611JP
or 3621JP positioner to the positioner
adaptor/mounting bracket assembly with four hex
socket cap screws (key 54).
8. Apply pressure to the actuator piston and move
the actuator to approximately the mid-travel position.
3610J and 3620J Positioners
STEM BRACKET
(KEY 195)
HEX NUT
(KEY 197)
FEEDBACK ROLLER
BUTTON HEAD
SCREW
(KEY 173)
9. Thread one of the three hex head cap screws
(key 196) into the yoke leg threaded hole
approximately two (2) turns.
HEX SOCKET
CAP SCREW
(KEY 54)
HEX NUT
(KEY 197)
MOUNTING HOLES FOR SIZE 50 ACTUATOR
A6840/IL
Figure 6. Positioner Mounting Bracket
POSITIONER MOUNTING
BRACKET
(KEY 194)
HEX HEAD
CAP SCREW
(KEY 196)
POSITIONER ADAPTOR
(KEY 113)
3621JP
POSITIONER
MOUNTING HOLES
FOR SIZE 25 ACTUATOR
MOUNTING BRACKET
SLOT
13
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