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Emerson Fisher 1078 Instruction Manual

Declutchable manual actuator
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Instruction Manual
D101329X012
Fisher
1078 Declutchable Manual Actuator
™
Contents
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Introduction

Scope of Manual

This instruction manual includes installation, operation, and maintenance information for the Fisher 1078
declutchable manual actuator (figure 1). Refer to separate instruction manuals for instructions covering the power
actuator and control valve.
Do not install, operate, or maintain a 1078 declutchable manual 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
Partner before proceeding.
www.Fisher.com
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Figure 1. Fisher 1078 Manual Actuator Mounted on
a 2052 Size 1 Actuator
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X0178
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Emerson sales office
or Local Business
1078 Actuator
June 2017

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Summary of Contents for Emerson Fisher 1078

  • Page 1: Table Of Contents

    ..Introduction Scope of Manual This instruction manual includes installation, operation, and maintenance information for the Fisher 1078 declutchable manual actuator (figure 1). Refer to separate instruction manuals for instructions covering the power actuator and control valve.

  • Page 2: Description

    Instruction Manual 1078 Actuator June 2017 D101329X012 Table 1. Specifications Available Configurations Maximum Output Rotation Direct and reverse acting; see Handwheel Rotation in 90 degrees; limited by travel stops in the power this specification table actuator Actuator Sizes Standard Mounting Positions See tables 2, 3, and 4 1052 (size 70) : handwheel down (std) or...

  • Page 3: Specifications

    1078 manual actuator specifications are given in table 1. Specifications for a control valve assembly as it comes from the factory appear on a nameplate attached to the power actuator. Educational Services For information on available courses for Fisher 1078 manual actuators, as well as a variety of other products, contact: Emerson Automation Solutions Educational Services - Registration Phone: 1-641-754-3771 or 1-800-338-8158 E-mail: education@emerson.com...
  • Page 4 Instruction Manual 1078 Actuator June 2017 D101329X012 Table 2. Fisher 2052 Actuator Size Selection and Specifications for Sizes AAA, A, and C HANDWHEEL WHEEL‐RIM‐FORCE TURNS FOR STANDARD POWER MAXIMUM MANUAL ROTATION SHAFT SIZE HANDWHEEL ACTUATOR TORQUE ACTUATOR DIAMETER For Maximum For Less Than Maximum SIZE Degrees...

  • Page 5: Installation

    Instruction Manual 1078 Actuator D101329X012 June 2017 Table 4. Fisher 1061 Actuator Size Selection and Specifications for Sizes 2A, 1A, B, C, D, and II‐FA HANDWHEEL MANUAL WHEEL‐RIM‐FORCE TURNS FOR POWER HANDWHEEL MAXIMUM ACTUATOR ROTATION SHAFT SIZE GEAR ACTUATOR DIAMETER TORQUE SIZE For Maximum...

  • Page 6: Converting An Existing Power Actuator For Use With The Fisher 1078 Manual Actuator

    Converting An Existing Power Actuator For Use With The Fisher 1078 Manual Actuator Field conversion of a power actuator for use with the 1078 manual actuator may require replacement and/or removal of some parts.

  • Page 7: Installing The Manual Actuator On A 1061 Size 30, 40, 60, 68, 80, Or 100 And 1052 Size 70

    Instruction Manual 1078 Actuator D101329X012 June 2017 pressure from the power actuator. Use lock‐out procedures to be sure that the above measures stay in effect while you work on the equipment. 2. Make certain that the power actuator travel stops have been properly set according to the caution given above. 3.

  • Page 8: Engaging And Disengaging The Manual Actuator

    Instruction Manual 1078 Actuator June 2017 D101329X012 Engaging and Disengaging the Manual Actuator Engaging the Manual Actuator 1. Shut off the supply pressure to the power actuator. 2. Pull the ring on the detent mechanism to unlock the lever. Move the lever into the engaged position until it is against the stop pin and locked in position by the detent mechanism.

  • Page 9: Lubrication

    Instruction Manual 1078 Actuator D101329X012 June 2017 D Excessive pressure drop across the valve body, or D Obstruction to the valve disk or ball rotation. If the manual actuator does not seem to control the process fluid, the worm or drive sleeve gear teeth may be broken, the pin (key 3) may be sheared, or the internal power actuator or valve parts may be broken.

  • Page 10: Parts Ordering

    For 1052 (size 70), and 1061 (sizes 30, 40, 60, 68, 80, and 100), indicate valve shaft size. 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.
  • Page 11 Instruction Manual 1078 Actuator D101329X012 June 2017 Figure 3. Fisher 1078 Declutchable Manual Actuator, Sizes 2A, 1A, B, C, and D Figure 4. Fisher 1078 Declutchable Manual Actuator, Size II‐FA...
  • Page 12 Fisher and FIELDVUE are marks owned by one of the companies in the Emerson Automation Solutions business unit 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.

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