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General| Enclosure | NEMA 4, NEMA 4X |
|---|---|
| Motor Options | Single-phase, Three-phase |
| Control Options | Local, remote, modulating |
| Voltage | 120V, 240V, 480V |
| Communication Protocol | Modbus, Foundation Fieldbus, Profibus |
| Housing Material | Aluminum |
| Temperature Range | -40°C to +70°C (-40°F to +158°F) |
| Ambient Temperature Range | -40°C to +70°C (-40°F to +158°F) |
Explains the manual's scope: installation, disassembly, lubrication, and parts.
Details precautions to reduce injury and equipment damage, and explains safety notice formats.
Identifies unit and motor nameplate details for product recognition.
Guides on inspecting equipment for damage and recommended storage procedures.
Provides approximate weight data for L120 actuators across different unit sizes and control types.
Lists critical safety warnings for installation, operation, and troubleshooting.
Outlines key checkpoints for safe operation of the L120 actuator.
Instruction to replace shipping protectors with pipe plugs after wiring.
Refers to Table 2 for mounting hole sizes and quantities for different unit sizes.
Details maximum stem acceptance specifications in inches and millimeters for different unit sizes and drives.
Explains the function and adjustment of the torque switch for actuator protection.
Provides steps to balance the torque switch pointers for accurate settings.
Describes the geared limit switch and its adjustment for travel indication.
Guides on setting the 16-contact, 4-gear limit switch for up to 740 drive sleeve turns.
Details the step-by-step process for setting the limit switch rotors and contacts.
Explains how rotor segments can be rearranged for various normally open/closed contact combinations.
Covers local and remote methods for indicating valve position.
Describes how to set the local dial position indicator for valve position.
Discusses transmitting 4-20mA signals for remote position indication.
Provides steps for calibrating the PT20SD position transmitter for accurate remote indication.
Details the mounting of the handwheel on the side for L120-10, 20, and 40 unit sizes.
Guides on starting the actuator electrically, including checks for lubrication, limit switches, and phase rotation.
Explains how to engage and operate the actuator using the handwheel and declutch lever.
Describes how the actuator operates when the motor is energized, including setting travel limits.
Explains how the geared limit switch and torque switch operate to limit travel and torque.
Discusses lubrication, inspection schedules, and lubricant quality requirements.
Step-by-step instructions for disassembling L120-10, 20, and 40 actuators.
Details the process for removing the drive sleeve and housing cover components.
Explains how to disassemble the torque nut for actuators with the Drive 1 option.
Describes the procedure to remove the torque nut from the optional drive sleeve.
Details the process for disassembling the thrust base for actuators with the Drive 2 option.
Guides on replacing the stem nut in thrust base applications, including safety warnings.
Provides steps for reassembling the actuator after stem nut replacement.
Details the installation of the declutch assembly for L120-10 units.
Details the installation of the declutch assembly for L120-20/40 units.
Guides on installing the motor, flange, and electrical connections during reassembly.
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