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Introduction
1.1 Purpose
This Installation and Maintenance Manual explains how to install and maintain the L120-85 actuator.
Information is provided for installation, disassembly, reassembly, lubrication, and parts selection.
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WARNING:
Read this installation and maintenance manual carefully and completely before storing,
installing, operating or troubleshooting your Flowserve Limitorque actuator. Be aware of electrical
hazards within the actuator and high-pressure hazards at the attached valve or other device when
installing or performing maintenance on your L120-85 actuator.
1.2 User Safety
Safety notices in this manual detail precautions the user must take to reduce the risk of personal injury and
damage to the equipment. The user must read and be familiar with these instructions before attempting
installation, operation, or maintenance. Work should be performed by a qualified tradesman who is familiar
with the operation and maintenance of electric actuators. Failure to observe these precautions could result in
serious bodily injury, damage to the equipment, voiding of the warranty, or operational difficulty.
Safety notices are presented in this manual in three forms:
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WARNING:
Refers to personal safety. Alerts the user to potential danger. Failure to follow warning
notices could result in personal injury or death.
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CAUTION:
Directs the user’s attention to general precautions that, if not followed, could result in
personal injury and/or equipment damage.
NOTE:
Highlights information critical to the user’s understanding of the actuator’s installation and
operation.
Limitorque L120-85 Installation, Operation and Maintenance FCD LMENIM1202-03-A4 – 06/15
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