Flowserve L120 Series Limitorque Actuation Systems - Manual (Page 2)

Limitorque Actuation Systems L120 Series FCD LMENIM1201-04-AQ – 05/15
2
Contents
1 Introduction 4
1.1 Purpose 4
1.2 User Safety 4
2 Product Capabilities and Features 5
2.1 Initial Inspection and Storage Instructions 5
2.1.1 Inspection and Recording 6
2.1.2 Short-Term Storage (less than 1 year) 6
2.2 Product Identification 7
3 Actuator Weights 8
4 Installation Instructions 9
4.1 Safety Precautions 9
4.2 Safety Practices 9
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