Introduction; Premise; Important Notes & Warning Statements; Procedure Emphasis - Flowserve Limitorque Accutronix MX Maintenance & Spare Parts Manual

1

Introduction

1.1 Premise

The MX actuator components are separated into subassembly groupings. This manual covers the
Removal and Remounting procedures for each subassembly group. Use these instructions when
disassembly is required for servicing, maintenance, or parts replacement.
1.2 Important Notes & Warning Statements
Please read this Maintenance & Spare Parts Manual carefully and completely before attempting to store
or perform maintenance on your Limitorque valve actuator. Further installation, setup, and operation
instructions are available in the Installation & Operation manual (130-11000) located in the actuator
terminal compartment at shipment.
a
WARNING
attached valve or other actuated device when installing or performing maintenance on your MX actuator.
Failure to observe these precautions could result in serious bodily injury, damage to the equipment, or
operational difficulty.
a
WARNING
declutch lever. Using additive force devices (cheater bars, wheel wrenches, pipe wrenches, or other
devices of this nature) on the actuator handwheel or declutch lever may cause serious personal injury
and/or damage to the actuator or valve.

1.3 Procedure Emphasis

Please refer to the following methods used to emphasize text throughout this manual. Safety warnings,
cautions, and notes present material that is important to user-safety. Be sure to read any safety notices
you see as they could prevent equipment damage, personal injury, or even death to you or a co-worker.
Safety notices are presented in this manual in three forms:
a
WARNING
notices could result in personal injury or death.
CAUTION
personal injury and/or equipment damage.
NOTE: Highlights information critical to the user's understanding of the procedure.
Bold text stresses attention to the details of the procedure.
Accutronix MX Maintenance & Spare Parts Manual
: Be aware of electrical hazards within the actuator and high-pressure hazards of the
: Do not manually operate actuator with devices other than installed handwheel and
: Refers to personal safety. Alerts the user to potential danger. Failure to follow warning
: Directs the user's attention to general precautions that, if not followed, could result in
130-12000 Revision B • November 2002
Flow Control Division
Limitorque Actuation Systems
Introduction
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