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Service Manual for Multiport Flow
Selector
™
Valve
Contents
Introduction 1.................................
Specifications 3................................
Installation 4..................................
Field Technician Commissioning Activities 5.......
Reinstallation of the Actuator Assembly 5.....
Home Port Calibration 6....................
Electric Actuator Setup 6....................
Maintenance 7.................................
Disassembly 7.................................
Assembly 8....................................
Body 8......................................
Plug 8.......................................
Bonnet 9.....................................
Plug Seal Adjustment 10........................
Troubleshooting 11.............................
Drawing Assembly 12...........................
Parts List 15...................................
Maintenance Checklist Procedure 18..............
Multiport Electric Actuator 19....................
Figure 1. Fisher Multiport Flow Selector Valve
X1398
Introduction
Scope of Manual
This instruction manual includes installation, operation, and maintenance information for the Multiport Flow Selector.
Do not install, operate, or maintain a Multiport Flow Selector 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.
Instruction Manual
D104239X012
Multiport Flow Selector
January 2019
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