
CAUTION!
This manual contains important information for the correct installation, operation and maintenance of the equipment
described herein. All persons involved in such installation, operation, and maintenance should be thoroughly familiar with
the contents. To safeguard against the possibility of personal injury or property damage, follow the recommendations and
instructions of this manual and keep it for further reference.
WARNING!
The equipment shown in this manual is intended for industrial use only and should not be used to lift, support, or otherwise
transport people unless authorized in writing by Duff-Norton.

INTRODUCTION
CONTENTS
1-1 General Information
1-2 Application Information
1-3 Specifications
1-4 Dimensions
1-5 Performance
1-6 Wiring Diagram (limit switch models)
INSTALLATION
2-1 Direction of Loading
2-2 Limit Switches
2-3 Wiring Connections
2-4 Limit Switch Adjustment
OPERATION
3-1 Operating Conditions
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4
4
5
5
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5
INSPECTION AND MAINTENANCE
4-1 Safety Note
4-2 Inspection
4-3 Maintenance
4-4 Lubrication
WARRANTY
INTRODUCTION
1-1 General Information
This manual provides instructions for the installation
and operation of Duff-Norton® electromechanical
actuators. All persons operating or maintaining
these actuators should be familiar with the information presented here.
1-2 Application Information
This actuator is designed to provide linear actuation
of guided loads requiring forces no greater than the
load rating of the actuator. It is intended for inter-
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5
5
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6
mittent use, not for applications requiring constant
motion. The actuator should not be used to lift,
support, or otherwise transport people unless the
application is authorized in writing by Duff-Norton.
The actuator can be used outdoors but must not be
subjected to precipitation, high pressure sprays,
icing, or submersion. Do not use the actuator in
areas containing explosive dust, vapors, or gases.