Fisher 1052 Size 20 Diaphragm Rotary Actuator, F and G Mounting Adaptation Instruction manual
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Instruction Manual
D100322X012
1052 Size 20 Actuator (F & G)
February 2019
Fisher
™
1052 Size 20 Diaphragm Rotary Actuator with F and G Mounting Adaptation
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Principle of Operation
Installation
. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting Procedure . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting Spring Compression
Initial Compression
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
Stroking Range
Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Disassembly
Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Actuator Mounting . . . . . . . . . . . . . . . . . .
Top‐Mounted Handwheel
Parts Ordering
. . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Kits
Parts List
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Figure 1. Fisher 1052 Size 20 Actuator with
Positioner
W5030
Scope of Manual
This instruction manual includes installation, adjustment, operation, maintenance, and parts information for the
Instructions for the control valve, rotary positioners, and accessories are included in separate manuals.
Do not install, operate, or maintain a 1052 actuator without being fully trained and qualified in valve, actuator, and accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is important to carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you have any questions about these instructions, contact your Emerson sales office before proceeding.
Description
The spring‐and‐diaphragm actuator is used on small rotary shaft valves for throttling or on‐off applications. It mounts to V150 Vee‐Ball™ valves, V500 valves, eccentric disk valves, and butterfly valves with 3/8 inch and 1/2 inch splined shafts. The actuator accepts a 3610J, 3620J, or PMV positioner. A top‐mounted handwheel is available for the unit.
Specifications
originally comes from the factory, are shown on the nameplate attached to the actuator.
www.Fisher.com
1052 Size 20 Actuator (F & G)
February 2019
Instruction Manual
D100322X012
Table 1. Specifications
Operating Principle
Direct Acting: Increasing loading pressure forces the diaphragm rod from the top to the bottom of the casing
Stroking Time
Depends on rotation, spring rate, initial spring compression, and supply pressure. If stroking time is critical, consult your Emerson Automation Solutions sales office
Casing Pressure Ranges
J 0 to 1.2 bar (0 to 18 psig), J 0 to 2.3 bar
(0 to 33 psig), or J 0 to 2.8 bar (0 to 40 psig) depending on spring used
Material Temperature Capabilities
–40 to 82 ° C (–40 to +180 ° F)
(1)
Maximum Allowable Sizing Pressure (1)
3.5 bar (50 psig)
Pressure Connections
1/4 NPT internal
Maximum Allowable Casing Pressure
4.1 bar (60 psig)
Mounting Configurations
Approximate Weight
13.6 kg (30 lb)
Maximum Rotation
90 degrees (travel is adjustable between
60 degrees and 90 degrees by travel stops)
Acceptable Valve Shaft Diameters, Inches
J 9.5 mm (3/8 inch) or J 12.7 mm (1/2 inch)
Top‐Mounted Handwheel Specifications
Operating Principle: Can be used for manual operation of the actuator or as an adjustable “up'' travel stop
Diameter: 121 mm (6.75 inch)
1. Use this value to determine the maximum torque output. The pressure‐temperature limits in this manual and any applicable code or standard should not be exceeded.
Principle of Operation
diaphragm (key 3). As the loading pressure is decreased, the spring (key 11) forces the diaphragm rod upward.
The spring and diaphragm are selected to meet the requirements of the application and, in service, the actuator should produce full travel of the valve with the diaphragm pressure as indicated on the nameplate.
Consult the positioner instruction manual for actuator principle of operation with positioner.
2
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal injury.
Personal injury or equipment damage caused by sudden release of pressure may result if the valve assembly is installed
damage, provide a relief valve for over‐pressure protection as required by government or accepted industry codes and good engineering practices.
Instruction Manual
D100322X012
1052 Size 20 Actuator (F & G)
February 2019
Check with your process or safety engineer for any additional measures that must be taken to protect against process media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this instruction manual.
CAUTION
or produces a torque greater than the Maximum Allowable Valve Shaft Torque (see Catalog 14). Use pressure‐limiting or pressure‐relieving devices to prevent the diaphragm casing pressure from exceeding its limit.
The actuator, as it comes from the factory, is normally mounted on a valve. Follow valve instructions when installing the control valve in the pipeline.
A 1/4 NPT pressure connection is located on top of the actuator. Run either 1/4 NPT pipe or 3/8 inch tubing between the pressure connection and the instrument. Keep the length of tubing or pipe as short as possible to avoid transmission lag in the control signal. If a valve positioner is used, the pressure connection to the actuator will normally be made at the factory.
When the control valve is completely installed and connected to the actuator, check it 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 diaphragm.
Use the following steps to connect a valve and an actuator that have been ordered separately. Because the procedures in the Mounting Procedure section require removal of initial spring compression, it is necessary to read the Spring
Compression Adjustment section before completing the installation.
Mounting Procedure
This procedure assumes that the style ordered from the factory (A, B, C or D) was correct. Key numbers refer to figure
1. Remove the positioner if one is used, and unscrew machine screws (key 40) to remove the positioner bracket or the cover (key 39).
valve in a horizontal pipe run.
3. Ensure all the initial spring compression has been removed from the spring. To relieve spring compression, insert a
the tip of the screwdriver blade to the right. This rotates the spring adjusting screw counterclockwise. Continue until the stop is reached which occurs when the spring seat (key 13) is lowered to the adjusting screw base.
4. Before sliding the valve shaft into the lever, position the valve as follows:
D For push‐down‐to‐close action, the valve should be fully open.
D For push‐down‐to‐open action, the valve should be fully closed (see the valve instruction manual).
5. Position the lever in the housing to align with the holes at each end of the housing. Compare the position of the
shaft, the ”down” travel stop is nearly vertical, as shown in figures 3 and 5.
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1052 Size 20 Actuator (F & G)
February 2019
Instruction Manual
D100322X012
VALVE SERIES OR DESIGN
MOUNTING
Right‐Hand
Left‐Hand
ACTION
PDTC
PDTO
PDTC
PDTO
(1) Ball/Plug
Rotation To
Close (3)
CCW
CCW
CCW
CCW
V250
A
B
NA
NA
V150, V200 & V300
A
B
D
C
CV500
V500
Left‐Hand
(Optional) (2)
PDTC
PDTO
CW
CW
NA
NA
C
D
NA
NA
1. PDTC—Push‐down‐to‐close, and PDTO—Push‐down‐to‐open.
2. A left hand ball will be required for the NPS 3 through 12 Series B and the NPS 14 to 20, with or without attenuator.
3. CCW—Counterclockwise, and CW—Clockwise.
D
C
A
B
Figure 2. Mounting Styles and Positions
STYLE A
VALVE SERIES OR DESIGN
Disk/Ball
Rotation to
Close
CW
CW
CW
CW
NA
NA
V250
NA
NA
C
D
NA
NA
8510B, 8532,
8560 9500
B
A
C
D
NA
NA
STYLE B
LEFT‐HAND
MOUNTING
STYLE C
STYLE D
4
POSITION 1 1 POSITION 1 1
2
4
2
3
3
RIGHT‐HAND MOUNTING
STYLE D STYLE C
FLOW
STYLE B
STYLE A
POSITION 1
1
POSITION 1 1
43A6505‐A
A1584‐3
RIGHT‐HAND
MOUNTING
NOTES:
1
FLOW
2
4
4
3 3
LEFT‐HAND MOUNTING
POSITION 1 IS STANDARD; POSITIONS 2 THROUGH 4 (SHOWN IN DOTTED LINES) ARE ALTERNATIVES.
2
6. Slide the valve shaft into the lever. Insert the lever in the opening. Tighten the valve mounting cap screws
7. Remove machine screws (key 36) and remove the hub (key 29) and the travel indicator scale (key 35).
8. Reposition the hub on the splined valve shaft so that the travel indicator screw holes align with the offset portion
(where the rod end bearing connects) of the lever.
9. Loosen the hex nut (key 145) to allow the valve shaft to slide out of the clamped lever (key 27).
10. Center the lever in the opening. For newer clamping levers, torque the cap screw and nut (keys 28 and 145) to a
11. With the hub positioned properly, the travel scale and indicator can show the correct position of the valve and point in the direction of flow when the valve is open. Replace the machine screws, fastening the travel indicator scale to the housing and the travel indicator to the hub.
4
Instruction Manual
D100322X012
1052 Size 20 Actuator (F & G)
February 2019
12. Adjust the ”up” travel stop (key 8) so that it touches the housing, and then lock the travel stop in position with the hex nut (key 86).
Figure 3. Spring Adjustment
NOTCHED PORTION OF SPRING ADJUSTING SCREW
DOWN TRAVEL STOP
W6761
TRAVEL
INDICATOR
UP TRAVEL STOP
CLAMPED LEVER
WARNING
To avoid personal injury and equipment damage from moving parts within the actuator, keep fingers and tools away from the actuator when stroking the valve with the actuator cover removed.
13. Fully stroke the valve, and adjust the ”down” travel stop so that it touches the housing. Then lock the travel stop in position with the hex nut (key 86).
Adjusting Spring Compression
Spring adjustment is shown in figure 3. Key numbers are shown in figure 5.
Initial Compression
CAUTION
To avoid adjustment error which could lead to possible product damage, comply with the following bench set adjustment procedure.
The 1052 nameplate specifies a Spring Initial Set, which is the initial compression adjusted into the actuator spring.
Initial compression is the casing pressure at which the diaphragm (key 3) and diaphragm rod (key 10) begin to move away from the ”up” travel stop. The initial compression was selected (based upon the service conditions specified when the actuator was ordered) so that when the actuator and valve are in service, the valve will seat properly and full travel will be obtained within a standard casing range of 0 to 1.2 bar (0 to 18 psig) or 0 to 2.3 bar (0 to 33 psig).
If the actuator has been disassembled or if the spring adjustment was changed, the initial compression may be adjusted to not exceed the Spring Initial Set value on the nameplate.
5
6
1052 Size 20 Actuator (F & G)
February 2019
Instruction Manual
D100322X012
Proper bench set of the spring can only be made when the actuator ”up” travel stop has been approximately adjusted.
Insert a shaft in the actuator and adjust the ”up” travel stop before establishing spring compression (since there is no travel stop in the upper diaphragm casing). Considerable error in adjustment is certain if the above procedure is not followed. This error can result in under travel of the actuator when the spring goes solid or excess spring compression has been applied.
Adjust the spring so that the diaphragm rod just starts to travel at the Spring Initial Set pressure specified on the nameplate. To adjust the spring, remove the positioner, if one is used, or the cover. The lower part of the spring
right to decrease spring compression or to the left to increase spring compression. Replace the positioner or the cover.
Stroking Range
If, under operating conditions, the stroking range does not match the intended casing pressure, it may be possible to shift the stroking range by making a spring adjustment to change the initial spring compression. A spring adjustment will shift the casing pressure span and will equally increase (or decrease) the casing pressure at which the actuator begins to stroke and the pressure at which the actuator reaches full travel.
To adjust the spring, remove the positioner, if one is used, or the cover. The lower part of the spring adjusting screw is
downward, or to the left to shift the casing pressure span upward. Replace the positioner or the cover.
Maintenance
Actuator parts are subject to normal wear and must be inspected and replaced as necessary. The frequency of inspection and replacement depends upon the severity of service conditions. Instructions are given below for
disassembly and assembly of parts. Key numbers are shown in figure 5, unless otherwise noted.
WARNING
Avoid personal injury or property damage from sudden release of process pressure or uncontrolled movement of parts.
Before performing any maintenance operations:
D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal injury.
D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the actuator cannot suddenly open or close the valve.
D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure from both sides of the valve. Drain the process media from both sides of the valve.
D Vent the power actuator loading pressure and relieve any actuator spring precompression.
D Use lock‐out procedures to be sure that the above measures stay in effect while you are working on the equipment.
D The valve packing box may contain process fluids that are pressurized, even when the valve has been removed from the pipeline. Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when loosening the packing box pipe plug.
D Check with your process or safety engineer for any additional measures that must be taken to protect against process media.
Instruction Manual
D100322X012
1052 Size 20 Actuator (F & G)
February 2019
Table 2. Recommended Bolting Torques
DESCRIPTION KEY NUMBER
Casing Diaphragm 5/6
Diaphragm to rod 9
Rod end to lever 18
To Yoke 23
Travel Stop nut 86
Clamped lever 145/28
Sizes
3/8‐24
5/16‐18
5/16‐18
3/8‐16
5/16‐18
5/16‐18
N
S m
27
22
22
34
27
27
TORQUE
Lbf
S ft
20
16
16
25
20
20
Disassembly
The following procedure describes how the actuator can be completely disassembled. When inspection or repairs are required, disassemble only those parts necessary to accomplish the job.
1. Isolate the operating equipment from its process. Release process pressure, vent all actuator loading pressure, and remove the tubing or pipe from the top of the actuator.
2. Remove positioner, if applicable, or remove the machine screws (key 40) and remove the cover (key 39).
3. Rotate the handwheel (if one is used) counterclockwise to be sure the handwheel is not compressing the spring
(key 11).
WARNING
Be sure to relieve spring compression before loosening the diaphragm casing cap screws and nuts (keys 5 and 6). Personal injury can occur if spring compression forces the upper diaphragm casing (key 1) from the actuator.
4. To relieve spring compression, insert a screwdriver blade between the notches at the bottom of the spring
until a stop is reached.
5. Loosen the hex nut (key 145) to allow the valve shaft to slide out of the clamped lever (key 27).
6. Remove the valve mounting cap screws. Slide the valve shaft out of the lever.
7. Unscrew and remove casing cap screws and nuts (keys 5 and 6). Remove the upper casing and the diaphragm (key
3).
8. Heat the cap screw (key 18) to 177 _ C (350 _ F) long enough for the medium strength thread‐locking compound (key
77) to lose its holding strength. Then, remove the cap screw (key 18). This separates the actuator rod and rod end bearing from the lever.
9. Pull the diaphragm plate (key 4) and attached diaphragm rod out of the actuator. Remove the cap screw (key 9) to separate the diaphragm plate and diaphragm rod.
10. Remove the actuator spring (key 11) from the actuator, lift out the spring adjusting screw (key 74), the spring seat
(key 13), and the thrust washer (key 71).
11. Check the condition of the bearing (key 31). If replacement of the bearing is necessary, the travel indicator (key 37) must first be removed by removing the machine screws (key 38). Then, the hub (key 29) and travel indicator scale
(key 35) must be removed by removing the self‐tapping screws or cap screws (key 36). Mark the orientation of the travel indicator scale with respect to the actuator housing before removing it.
Assembly
This procedure assumes that the actuator was completely disassembled. If not, start these instructions at the
grease to the threads of the spring adjusting screw (key 74), to the inside of the lever (key 27), and to the valve shaft.
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1052 Size 20 Actuator (F & G)
February 2019
Instruction Manual
D100322X012
1. Replace the bushing (key 31) if it was removed.
2. If the diaphragm rod/bearing assembly (key 10) was removed from the actuator and separated from each other, thread the rod into the bearing.
3. Bolt the rod end bearing to the lever (key 27) with cap screw (key 18). Coat the threads of the cap screw with medium strength thread‐locking compound.
4. If necessary, assemble the lever using two travel stop studs (key 8) and locking nuts (key 86) for old and new style levers. Newer levers are clamped, and will also require that you install the cap screw (key 28) and thread the lock nut
(key 145) in place, but do not tighten it at this time.
5. Place the lever, rod end bearing, and diaphragm rod into the actuator with the diaphragm rod inside the diaphragm housing (key 20).
6. Install the thrust washer (key 71), followed by the spring adjusting screw (key 74), the spring seat (key 13), and the spring (key 11) into the diaphragm housing.
7. Attach the diaphragm plate (key 4) to the diaphragm rod with cap screw (key 9) and washer (key 79). Apply lithium grease (key 76) to the portion of the rod that fits into the diaphragm plate.
8. Replace the diaphragm (key 3). Position the diaphragm casing (key 1) in place on the diaphragm housing (key 20).
Secure the diaphragm casing with cap screws and nuts (keys 5 and 6). Ensure that the warning plate (key 56) is replaced on the casing.
9. Attach the valve to the actuator, and position the travel indicator as described in the Mounting Procedure section.
10. Adjust the initial spring compression as described in the Adjusting Spring Compression section.
Changing Actuator Mounting
The actuator is normally positioned vertically in a horizontal pipeline. However, each style can be mounted in four
possible mounting styles and four possible positions. See figure 2.
WARNING
Avoid personal injury or property damage from sudden release of process pressure or uncontrolled movement of parts.
Before performing any maintenance operations:
D Always wear protective gloves, clothing and eyewear when performing any maintenance operations to avoid personal injury.
D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the actuator cannot suddenly open or close the valve.
D Use bypass valves or completely shut off the process to isolate the valve from process pressure.Relieve process pressure from both sides of the valve. Drain the process media from both sides of the valve.
D Vent the power actuator loading pressure and relieve any actuatorspring precompression.
D Use lock‐out procedures to be sure that the above measures stay in effect while you are working on the equipment.
D The valve box may contain process fluids that are pressurized, even when the valve has been removed from the pipeline.
Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when loosening the packing box pipe plug.
D Check with your process or safety engineer for any additional measures that must be taken to protect against process media.
Style A is right‐hand mounted while style D is left‐hand mounted. In all other ways the styles A and D are identical.
Style B is right‐hand mounted while style C is left‐hand mounted. In all other ways the styles B and C are identical.
8
Instruction Manual
D100322X012
1052 Size 20 Actuator (F & G)
February 2019
Use the following procedure to convert from styles A and D to styles B and C (or vice versa) or to change the mounting position.
1. Follow steps 1 through 6 in the Disassembly portion of the Maintenance section.
2. If changing styles, a. Unscrew cap screws (key 23), and remove the actuator housing (key 20) from the mounting yoke (key 22).
b. Rotate the housing 180 degrees, maintaining the appropriate position (1, 2, 3, 4), and place the actuator onto the mounting yoke.
3. If changing position, unscrew cap screw (key 23), and rotate the actuator housing to the desired position. Consult
table 2 for appropriate bolt torques.
appropriate bolt torques.
5. Follow steps in the Mounting Procedure section to connect the actuator to the valve.
6. Adjust initial spring compression as described in the Adjusting Spring Compression section.
Top-Mounted Handwheel
Key numbers used in this section are shown in figure 4 except where indicated.
travel stop to limit full retraction of the diaphragm rod (key 10, figure 5).
hex nut (key 137) locks the handwheel in position.
Turning the handwheel (key 51) clockwise into the upper casing forces the pusher plate (key 135) against the
diaphragm rod downward. Turning the handwheel counterclockwise allows the actuator spring to move the diaphragm rod upward. If the valve is ”push‐down‐to‐close”, full opening can be restricted by positioning the handwheel at the desired position. If the valve is ”push‐down‐to‐open,” full closing of the valve can be restricted by using the handwheel.
Instructions are given below for complete disassembly and assembly required for inspection and parts replacement.
Disassembly
WARNING
from the actuator, relieve spring compression before diaphragm casing bolting is loosened.
of the Maintenance section.
2. Remove the cotter pin, hex nut, handwheel, and locknut (keys 247, 54, 51, and 137). Unscrew the stem (key 133) out through the actuator end of the handwheel body (key 142).
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1052 Size 20 Actuator (F & G)
February 2019
Instruction Manual
D100322X012
3. Remove cap screws (key 141), and separate the handwheel assembly from the upper casing.
4. Check the condition of the O‐rings (keys 138 and 139); replace them if necessary.
5. If it is necessary to remove the pusher plate (key 135), drive out the groove pin (key 140).
Assembly
1. Before assembling the actuator, lubricate the thread of the stem (key 133) and the bearing surfaces of the stem and pusher plate (key 135) with lithium grease.
2. If the pusher plate was removed, re‐attach it to the stem, and drive in a new groove pin (key 140).
3. Apply lithium grease (key 241) to the O‐rings (keys 138 and 139). With the O‐rings in place, thread the stem into the handwheel assembly.
5. Re‐install the locknut, handwheel, hex nut, and cotter pin (keys 137, 51, 54, and 247).
6. Re‐install the diaphragm casing, making certain the warning tag is in place on the casing flange.
8. Adjust the initial spring compression as described in the Adjusting Spring Compression section.
Parts Ordering
Each actuator has a nameplate attached to the actuator housing and a serial number stamped on it. Always refer to this serial number when corresponding with your Emerson sales office regarding replacement parts or technical information.
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the performance of the valve, and could cause personal injury and property damage.
10
Instruction Manual
D100322X012
Parts Kits
‐ ‐ ‐ Retrofit kit
Kit provides parts to add a top‐mounted handwheel.
Kit number 1 includes the handwheel assembly only.
Kit number 2 includes kit number 1 and a new diaphragm
casing (key 1) that is required to mount the new handwheel
Key Description Part Number
Kit number 1
Kit number 2
28A1205X012
28A1205X112
Parts List
Note
Contact your Emerson sales office for part ordering information.
Actuator
Key Description
1 Diaphragm Casing
3* Diaphragm
4 Diaphragm Plate
5 Cap Screw (12 req'd)
6 Hex Nut (12 req'd)
8 Adjustable Travel Stop (2 req'd)
9 Cap Screw
10 Diaphragm Rod/bearing assembly
11 Spring
13 Spring Seat
Figure 4. Fisher Top-Mounted Handwheel Assembly
1052 Size 20 Actuator (F & G)
February 2019
Key Description
18 Cap Screw
20 Housing
22 Mounting Yoke
23 Cap Screw (4 req'd)
27 Clamped Lever
28 Cap screw
29 Hub
30 Retaining Ring
31 Bushing (2 req'd)
35 Travel Indicator Scale
36 Self Tapping Screw (2 req'd)
36 Cap Screw, (for use w/GO™ switch only) (2 req'd)
36 Cap Screw (2 req'd) (for use w/Type 304 switch)
37 Travel Indicator
37 Travel Indicator (for use w/Type 304 switch)
38 Machine Screw (2 req'd)
38 Cap Screw (2 req'd) (for use w/GO switch only)
38 Cap Screw (2 req'd) (for use w/Type 304 switch)
39 Cover Plate (used w/o positioner)
40 Machine Screw (4 req'd) w/o positioner
41 Nameplate
42 Drive Screw (4 req'd)
55 Type Y602‐12 vent
55 Vent Screen (for use w/GO switches only)
56 Warning Plate, sticker
71 Thrust Washer
74 Adjusting Screw
76 Lithium Grease
77 Medium Strength Thread Locking Adhesive
79 Washer
80 Floater
86 Hex Nut (2 req'd)
121 Screw, Self Tap (2 req'd)
28A1205‐D
APPLY LITHIUM GREASE TO 241, ANTI‐SEIZE LUBRICANT TO 244.
*Recommended spare parts 11
1052 Size 20 Actuator (F & G)
February 2019
Figure 5. Fisher 1052 Size 20 With F and G Mounting
Instruction Manual
D100322X012
NOTES:
[76] APPLY LITHIUM GREASE.
[77] APPLY MEDIUM STRENGTH THREAD LOCKING ADHESIVE.
46A4683‐F
Top‐Mounted Handwheel
Key Description
51 Handwheel
54 Hex Nut
133 Stem
137 Hex Nut
138* O‐Ring
Part Number
1D237506992
Key Description
139* O‐Ring
140 Groove Pin
141 Cap Screw (6 req'd)
142 Handwheel Body
241 Lithium Grease
244 Anti‐Seize Lubricant
247 Cotter Pin
*Recommended spare parts
Part Number
1D267306992
Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher, Vee-Ball, and GO are marks owned by one of the companies in the Emerson Automation Solutions business division of Emerson Electric Co. Emerson
Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.
Emerson Automation Solutions
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore www.Fisher.com
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