Flowserve Limitorque L120-40 - Default Chapter; Table of Contents

Limitorque Actuation Systems L120 Series FCD LMENIM1201-05-A4 – 03/18
2
Contents
1 Introduction 4
1.1 Purpose 4
1.2 User Safety 4
2 Product Inspection - Storage - Identification 5
2.1 Inspection and Recording 5
2.2 Short-Term Storage (less than 1 year) 5
2.3 Product Identification 7
3 Actuator Weights 8
4 Installation Instructions 9
4.1 Safety Precautions 9
4.2 Safety Practices 10
4.3 Initial Actuator Preparation 10
4.3.1 Mounting Base 10
4.3.2 Stem Acceptance 10
4.4 Torque Switch 11
4.4.1 Setting Torque Switch 11
4.4.2 Balancing Torque Switch 12
4.5 Geared Limit Switch 12
4.5.1 Setting Limit Switch 12
4.5.2 Setting Procedure (Refer to Figure 4.2) 13
4.5.3 Combination of Contacts (Refer to Figure 4.2) 14
4.6 Position Indication 14
4.6.1 Local position indication 14
4.6.2 Remote Position Indication 15
4.7 Optional Side-Mounted Handwheel 16
5 Operation 19
5.1 Electrical Start-up 19