Instruction Manual
D100310X012
Fisher
667 Diaphragm Actuator
™
Sizes 30/30i-76/76i and 87
Contents
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Side-Mounted Handwheel for Sizes 34/34i
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Introduction
Scope of Manual
This instruction manual provides information on installation, adjustment, maintenance, and parts ordering for the
Fisher 667 actuator in sizes 30/30i through 76/76i and size 87. The 667-4 actuator in sizes 70/70i and 87 is also
covered. Refer to separate instruction manuals for information about the valve positioner and other accessories used
with these actuators.
Do not install, operate, or maintain a 667 actuator (see figure 1) 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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667 Actuator (Size 30/30i - 76/76i and 87)
Figure 1. Fisher 667 Actuator Mounted on
easy-e™ Valve
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Emerson sales office
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or Local Business
May 2018
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