LMAIM1501 LY Installation and Maintenance for LY 1001, LY 2001 and LY 3001 1-1
1 Introduction
1.1 Purpose
This Installation and Maintenance Manual explains how to install and maintain LY actuators. Information on
installation, disassembly, lubrication, and parts is provided.
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. Failure to observe these precautions could result in serious bodily injury, damage to the
equipment, void of warranty, or operational difficulty.
Safety notices are presented in this manual in three forms:
a DANGER: Refers to personal safety. Alerts the user to danger or harm. The hazard or unsafe practice will
result in severe injury or death.
a WARNING: Refers to personal safety. Alerts the user to potential danger. Failure to follow warning notices
could result in personal injury or death.
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.
Flow Control Division
Limitorque Actuation Systems