Changing Actuator Mounting - Fisher 1066 Instruction Manual

Type 1066 With H Mounting
6. Remove the bearing(key4) andthen removethe hub
(key6) from the housing(key1). InspecttheDrings(keys
18 and 34) for wear and damage. Replace the Orings if
necessary
7. Lift the piston(key3) with attached piston rod(key5)
and attached lever and bearing assembly(key 10) out of
the actuator housing.
8. Unscrew the cap screw (key 19). and remove the
sealing washer (key 11) and the piston from the piston
rod. For size 20 actuators, a fiat washer(key23) will also
be removed with these parts.
9. Remove one of the two E-rings (key 14) and then
remove the pin (key 9). Separate the lever and bearing
assembly from the piston rod.
10. Inspect the lever and bearing assembly for ax-
cessive wear. Replace the assembly if necessary
11. Reconnect the lever and bearing assembly to the
piston rod with the pin. Secure the pin with the E-ring.
12. Apply Lubriplate MAG-1 or equivalent lubricant (key
35) to the cap screw (key 19) and the C-ring (key 17) as
shown in figure 6.
13. Attach the piston to the piston rod with the cap
screw (key 19) and sealing washer (key 11). Torque the
cap screw to 60 foot-pounds (81 N-m) for size 20
actuators and to 130 foot-pounds (176 N.m) for size 75
actuators. For size 20 actuators, a flat washer (key 23) is
also installed with these parts.
14. Lower the piston rod assembly into the actuator
housing.
15. Apply Lubriplate MAG-1 or equivalent lubricant (key
35) to the CHing (key 34) as shown in figure 6.
16. Inspect the hub(key6) for excessive wear. Replace
the hub if necessary
17. With the actuator at the top of its stroke, slide the
hub into the housing and through the lever and bearing
assembly so that the markings that were made in step5 of
this procedure are oriented correctly (output shaft to
actuator housing).
18. Inspect the bearing (key 4) for excessive wear.
Replace the bearing if necessary
19. Apply Lubriplate MAG-1 or equivalent lubricant (key
35) to the outer surface of the bearing (key 4) and to the
Bring (key 18) as shown in figure 6.
20. Install the bearing into the housing.
21. Slide each travel indicator scale (key 21) onto the
hub on each side of the actuator. When installing each
travel indicator scale, make sure that the markings on
each scale and housing that were made in step5 of this
procedure are oriented correctly.
_
22. Install each retaining ring (key 39) onto the hub on
each side of the actuator.
23. With the actuator at the top of its stroke, slide the
travel indicator(key22) ontotheendofthe hubsothatthe
markings that were made in step 5 of this procedure are
oriented correctly (travel indicator to travel indicator
scale). Secure the travel indicator to the hub with the
retaining ring (key 40).
24. Slide the actuator onto the equipment operating
shaft and secure it to the mounting bracket in the desired
position with the cap screws (key 20). Install the cap
screws(key20) on bothsidesoftheactuator housingand
torque them to 16 foot-pounds (25 N-m) for size 20
actuators and to 75 foot-pounds (102 N.m) for size 75
actuators.
25. Apply Lubriplate MAG-1 or equivalent lubricant (key
35) to the wall of the cylinder as shown in figure 6. Then,
install the cylinder and cylinder cover and secure them to
theactuatorwiththecapscrews(key16)andflatwashers
(key 15). Torque the cap screws to 30 foot-pounds (41
N-m) for size 20 actuators and to 75 foot-pounds (102
N-m) for size 75 actuators.
_
26. Connect the pressure tubing to the actuator. Then,
install the limit switch, position switch, or other acces-
sories, if used. Refer to the accessory instruction manual
for instructions.
27. Perform the adjustment procedure before placing
the actuator into operation.
Changing Actuator Mounting
There are two possible mounting stylesandfourpossibfa
positions for each style. See figure 5.
Avoid personal injury or property damage
from sudden release of process fluid.
Before starting disassembly:
l
Isolate the valve or other operated
equipment from the process,
l
Release process pressure, and
l
Vent the actuator loading pressure.
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