Leslie 35 User Manual

1
DIAPHRAGM ACTUATOR
35(R), 55(R), 85(R), 135(R)
TABLE OF CONTENTS
SCOPE...............................................................................................................................................................................................2
INSTALLATION..............................................................................................................................................................................2
ASSEMBLE DIRECT (SPRING TO RETRACT) ACTUATOR TO EQUIPMENT ...........................................................................................2
ASSEMBLE REVERSE (SPRING TO EXTEND) ACTUATOR TO EQUIPMENT...........................................................................................2
SETTING ACTUATOR STROKE ..........................................................................................................................................................2
SETTING THE ACTUATOR SPRING LOAD ..........................................................................................................................................2
OPERATION....................................................................................................................................................................................3
MAINTENANCE..............................................................................................................................................................................3
GENERAL.........................................................................................................................................................................................3
DIRECT ACTUATOR DISASSEMBLY ..................................................................................................................................................3
DIRECT ACTUATOR REASSEMBLY ...................................................................................................................................................3
DIRECT ACTUATOR HOD DISASSEMBLY.........................................................................................................................................4
DIRECT ACTUATOR HOD REASSEMBLY..........................................................................................................................................4
REVERSE ACTUATOR DISASSEMBLY .............................................................................................................................................10
REVERSE ACTUATOR REASSEMBLY...............................................................................................................................................10
REVERSE ACTUATOR HOD DISASSEMBLY....................................................................................................................................10
REVERSE ACTUATOR HOD REASSEMBLY .....................................................................................................................................11
TROUBLESHOOTING .................................................................................................................................................................16
ILLUSTRATION INDEX
FIGURE 1 - DIRECT DIAPHRAGM ACTUATOR/ HOD.............................................................................................................................6
FIGURE 2 - EXTERNAL VIEW OF DIRECT ACTING DIAPHRAGM ACTUATOR .........................................................................................8
FIGURE 3 - REVERSE DIAPHRAGM ACTUATOR/ HOD ........................................................................................................................12
FIGURE 4 - DISENGAGING HANDSCREW DISC FROM NUT ..................................................................................................................13
FIGURE 5 - EXTERNAL VIEW OF REVERSE ACTING DIAPHRAGM ACTUATOR.....................................................................................13
12501 Telecom Drive, Tampa Florida 33637
Installation, Operating and
Maintenance Instructions
Supplement
10/0.5.1
Rev. 1

Leslie 35 Specifications

General

Brand	Leslie
Model	35
Category	Controller
Language	English

Summary

Scope of Diaphragm Actuator Instructions

Installation of Diaphragm Actuators

Assemble Direct Actuator to Equipment

Guides mounting a direct-acting actuator to equipment, ensuring proper stem connection and air supply.

Assemble Reverse Actuator to Equipment

Instructions for mounting a reverse-acting actuator, focusing on stem connection and air supply.

Setting Actuator Stroke

Procedure to adjust the actuator's travel distance by controlling air pressure and stem movement.

Setting Actuator Spring Load

Steps for adjusting the spring load to achieve the desired force output based on failure mode.

Actuator Operation

Maintenance and Disassembly

General Maintenance Procedures

Overview of general steps for actuator removal from equipment, including safety and air handling.

Direct Actuator Disassembly and Reassembly

Covers disassembly and reassembly of direct-acting actuators, including HOD components.

Reverse Actuator Disassembly and Reassembly

Details disassembly and reassembly of reverse-acting actuators, including HOD components.

Troubleshooting Actuator Issues