Emerson Fisher 1051 and 1052- Manuals

Page 2 - Instruction Manual; Description

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 2 Table 1. Specifications Operating Principle Direct-Increasing loading pressure forces the diaphragm rod from the top to the bottom of the casing Casing Pressure Ranges J 0 to 1.2 bar (10 to 18 psig), J 0 to 2.3 bar (0 to 33 ps...

Page 3 - Installation; WARNING; Spring Compression Adjustment; Initial Spring Compression

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 3 Installation WARNING Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal injury.Personal injury or equipment damage caused by sudden release of pressure might resul...

Page 4 - Stroking Range; Mounting Procedure

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 4 Figure 2. Spring Adjustment W6761-1 NOTCHED PORTION OF SPRING ADJUSTER DOWN TRAVEL STOP TRAVEL INDICATOR UP TRAVEL STOP CLAMPED LEVER Proper bench set of the spring can only be made when the actuator “up” travel stop has been ...

Page 5 - Principle of Operation

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 5 Figure 3. Center of Gravity Dimensions 14B8083-A NOTE: CENTER OF GRAVITY INCLUDES YOKE WEIGHT. 58.7 (2.31) 125 (4.91) mm (INCH) Note Find dimensions and center of gravity information in figures 3 and 4 and the approximate weig...

Page 6 - Maintenance; Disassembly

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 6 The spring and diaphragm are selected to meet the requirements of the application and, in service, the actuator should produce full travel of the operated equipment with the diaphragm pressure as indicated on the nameplate. Co...

Page 8 - Assembly

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 8 assembly (key 10) from the lever (key 27). Remove the lever with the attached travel stops and hex nuts (keys 8 and 86). 10. Pull the diaphragm plate (key 4) and attached diaphragm rod (key 10) out of the actuator. Remove the ...

Page 9 - Changing Actuator Mounting; Changing Styles

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 9 10. Attach the output shaft (key 87) to the mounting plate (key 22) with the retaining ring (key 88). Then, with the actuator at the top of its stroke, attach the mounting plate and output shaft assembly to the actuator housin...

Page 11 - Changing Positions; Top-Mounted Handwheel

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 11 with the self-tapping screws or cap screws (key 36). When attaching the travel indicator scale, make certain that it is properly aligned with the travel indicator. 11. Replace the cover and machine screws (keys 40 and 39). Ch...

Page 12 - Parts Ordering

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 12 by positioning the handwheel at the desired position. If the action is push-down-to-open, full closing of the operated equipment can be restricted by use of the handwheel. Instructions are given below for complete disassembly...

Page 13 - Parts Kits; Actuator

Instruction Manual D100323X012 1052 Size 20 Actuator (H) September 2012 13 Parts Kits Key Description Part Number - - - Retrofit kit to add a top-mounted handwheel.Kit number 1 includes the handwheel assembly only.Kit number 2 includes kit number 1 and a newdiaphragm casing (key 1) that is required ...