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Instruction Manual
Form 5300
July 2005
LOCK WASHER
(KEY 100)
7. Attach the mounting bearing (key 97) to the
mounting plate (key 43) with three hex socket cap
screws (key 93).
8. Refer to the actuator instruction manual. Loosen
the four screws, and remove the actuator blanking
plate.
9. Attach the positioner mounting plate to the
actuator yoke as shown in figure 10 with four
spacers (keys 61), four cap screws (key 45) and lock
washers (key 92).
10. Loosen the four captive cover screws and
remove the positioner cover.
11. Loosen the cam locknut (key 37, figure 31).
12. Attach the positioner to the mounting plate with
three hex socket cap screws (key 46). Make sure
that the positioner feedback shaft (key 38, figure 31)
rotates freely and is not binding with the mounting
bearing, adjust if necessary.
13. Attach the feedback lever (key 94) to the end of
the feedback shaft with the two hex socket cap
screws (key 93). The markings on the feedback
lever should be visible when looking toward the back
of the positioner. Make sure the roller bearing (key
CAP SCREW
(KEY 99)
HEX NUT
(KEY 96)
Figure 7. Typical Type 3710 Positioner Mounted on a Type 585 Actuator
3710 and 3720 Positioners
SPACER
(KEY 61)
LOCK
WASHER
(KEY 92)
ROLLER BEARING
(KEY 101)
DRIVE STUD
(KEY 95)
Figure 8. Drive Stud and Roller Bearing Assembly
101) on the drive stud engages the slot in the
feedback lever.
WARNING
An unexpected change in actuator
supply pressure while performing the
following steps could result in
personal injury. Use lockout
procedures to ensure a stable air
supply.
MOUNTING PLATE
(KEY 43)
DRIVE STUD BRACKET
(KEY 98)
CAP SCREW
(KEY 93)
MOUNTING BEARING
(KEY 97)
CAP SCREW
(KEY 46)
CAP SCREW
KEY 45
E-RING
(KEY 102)
13
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