Instruction Manual
D100324X012
1061 F & G Actuator
October 2012
12
8. For size 30, 40, and 68 actuators, unscrew cap screws (key 6) and remove cylinder cap (key 4). Inspect and, if
necessary, replace the O-ring (key 5).
9. Remove rod end bearing (key 12) and hex nut (key 11), remove the turnbuckle (key 70) and hex nut (key 71).
10. R emove cap screws (key 3) and slide the cylinder assembly (key 1) from the cylinder flange (key 2).
11. Pull the piston (key 7) and piston rod (key 10) from the cylinder assembly.
12. Inspect and, if necessary, replace the O-rings (keys 8 and 16).
13. To separate the piston (key 7) from the piston rod (key 10), unscrew the cap screw or hex nut and washer (keys 9
and 77) for size 30, 40, 60 and 68 actuators or the hex nut (key 86) for size 80 and 100 actuators.
14. For the size 130 actuator, a piston rod disassembly fixture (figure 4) is recommended to properly disassemble the
piston from the piston rod. Consult your Emerson Process Management sales office if this assembly must be
disassembled.
15. Unscrew the cap screws (key 22) and remove the cylinder flange (key 2), sliding seal (key 19), and seal support
cylinder (key 20).
16. Inspect, and if necessary, replace the O-rings (keys 17 and 18) and thrust washer (key 74).
17. Unscrew the cap screws (key 24) from the mounting yoke, and remove the actuator housing assembly (key 21).
18. Unscrewthemountingyoke(key23)fromthevalvebyremovingthevalvemountingcapscrews.Slidetheyoke
off the valve shaft.
19. Inspect, and if necessary replace the mounting yoke bushing (key 81). It m ay be necessary to press out the
bushing.
Assembly
This procedure assumes that the actuator was completely disassembled. If the actuator was not completely
disassembled, start these instructions at the appropriate step. This procedure also assumes that the valve is removed
from the pipeline for ease in actuator assembly and adjustment.
Key numbers used in the following procedures are shown in figures 8, 9, and 11.
Note
Many of the replacement mounting yokes (key 23) are available only as assemblies that also include the bushing (key 81).
However, replacement bushings are also available s eparately (see the Parts List).
1. If the bushing (key 81) was removed, press in the new bushing. The end of the bushing should be flush with the
bottom of the recess in the mounting yoke (key 23).
2. Slidethemountingyokeoverthevalveshaft,andsecureittothevalvewiththevalvemountingcapscrews.
3. Tighten the valve mounting cap screws to the bolting torque values given in table 2.
WARNING
Refer to table 3 for bolt torque requirements. Exceeding any torque requirements could damage actuator parts and
prevent safe operation. Refer to the Warning at the beginning of the Installation section in this manual.
Note
The cap screws torque values shown in table 3 are for final assembly.
(24 paginas)
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