WTR Series
Contents
L120 Installation & Maintenance Manual 120-11000 A
Table of Contents
Introduction 1
Purpose 1
User Safety 1
Product Capabilities and Features 1
Initial Inspection and Storage Instructions 1
Product Identification 2
Inspection and Recording 3
Storage Procedures 3
Short Term Storage (less than 1 year) 3
Unit Weights 3
Installation and Instructions 4
Safety Precautions 4
Safety Practices 4
Prepare Initial Actuator 4
Mounting Base 4
Stem Acceptance 5
Torque Switch 5
Setting Torque Switch 5
Balancing Torque Switch 6
Geared Limit Switch 7
Setting Limit Switch 7
Setting Procedure 8
Combination of Contacts 9
Position Indication 9
Local Position Indicator 9
Remote Position Indicator 9
Optional Side-Mounted Handwheel 11
Operation 14
Electrical Start-Up 14
Manual Operation 17
Motor Operation 19
Torque and Travel Limiting 19
Maintenance 19
Lubrication 19
Lubrication Inspection 19
Factory Lubricant 20
Minimum Lubricant Qualities Required 20
Disassemble and Reassemble 21
Disassemble Unit Sizes L120-10, 20, and 40 21
Drive Sleeve and Housing Cover Disassembly 22
Torque Nut Disassembly (Drive 1 option) 22
Thrust Base Disassembly (Drive 2 Option) 23
Stem Nut Replacement - Thrust Base Applications 24
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