Instruction Manual
D100324X012
1061 F & G Actuator
October 2012
9
The actuator housing, for style A & D is turned 180 degrees to convert it to a styleB&C,orviceversa.Inotherwords,
the actuator cover (key 34) is removed and placed on the mounting yoke (key 23) side.
The mounting yoke is placed on the cover side of the actuator housing (key 21). The lever (key 28) must be removed
and replaced during the procedure. Refer t o figure 3 and note the relationship of the valve style and the pipeline.
Table 4. Open-End Wrench Size Required for Turnbuckle Adjustments, Inches
ACTUATOR SIZE TURNBUCKLE (KEY 70) LOWER LOCKNUT (KEY 11) UPPER LOCKNUT (KEY 71)
30
40 & 60
68
80 & 100
130
1-1/8
1-5/16
1-7/8
1-7/8
2-3/4
3/4
1-1/8
1-1/8
1-7/8
2-3/4
1-1/8
1-5/16
(1)
1-7/8
2-3/4
1. A 3/8-inch diameter rod is used for tightening.
Changing Positions
The actuator housing (key 21) position, and its orientation with the mounting yoke (key 23) can be changed into four
different positions. Refer to figure 3 and note the possible positions for each style.
Pressure Connections
1. Connect either NPS 1/4 pipe or 3/8-inch tubing between the actuator pressure connections and the instrument.
Keep the length of pipe or tubing as short as possible to avoid transmission lag in the control signal.
2. When the control valve is completely installed and connected to the instrument, check for correct action
(air-to-open or air-to-close) to match the controlling instrument. For successful operation, the actuator stem and
valve shaft must move freely in response to the loading pressure change on the piston.
Adjustment
The only adjustment on the 1061 actuator is to make sure that the valve disc or ball is correctly closed when the
actuator piston is against the travel stop. For accurate adjustment to the zero-degree valve disc or ball position, you
must remove the control valve from the pipeline. Refer to the valve instruction manual for instructions during this
procedure.
If the actuator is equipped with a manual handwheel actuator, make sure that the manual actuator is disengaged from
the valve shaft and that the bypass valve (key 68, figure 10) is closed before you perform adjustment procedures.
Perform the following steps to adjust the actuator turnbuckle. A regulated air supply will be required to stroke the
actuator during this procedure. Also, when you perform this adjustment, refer to table 4 for the sizes of open-end
wrenches required to loosen and t ighten the hex nuts and turnbuckle.
Key numbers referenced in this procedure are shown in figures 8, 9, and 11.
WARNING
Perform the steps in the WARNING at the beginning of the Maintenance section.
1. Refer to instructions in the appropriate valve instruction manual.
(24 Seiten)
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