Flowserve SMB Series Electric Actuators - Manual (Page 2)

SMB Series/SB Series Installation and Maintenance FCD LMENIM1401-04-AQ – 01/15
2
Contents
1 Introduction 6
2 Product Capabilities and Features 7
3 Actuator Weights 10
4 Installation Instructions 11
4.1 Safety Precautions 11
4.2 Safety Practices 12
4.3 Actuator Preparation 12
4.3.1 Mounting Base 13
4.3.2 Stem Acceptance 13
4.3.3 Terminal Connections 14
4.4 Setting The Limit Switch 14
4.4.1 Two-Train Geared Limit Switch 15
4.4.2 Four-Train Geared Limit Switch 18
4.5 Setting Torque Switch 20
4.5.1 SMB-000 “Cam Style” Double Torque Switch 20
4.5.2 SMB-000 and SMB-00 “C Style” Double Torque Switch 23
4.5.3 SMB-0 through SMB-5 Double Torque Switch 25
4.6 Position Indication 27
4.6.1 Local Position Indicator 27
4.6.2 Remote Position Indicator (50 ohm or 1000 ohm Potentiometer) 27
4.6.3 Remote Position Indicator (Resistance-to-Current Signal Converter) 28
4.7 Additional Electrical Components 30
4.7.1 Reversing Starter 30
4.7.2 Overload Relays 30
4.7.3 Control Station 31
5 Operation 32
5.1 Motor Operation 32
5.2 Manual Operation 33
5.2.1 SMB-000 and SMB-00 33
5.2.2 SMB-0 through SMB-4 34
5.2.3 SMB-5 through SMB-5T 34
6 Maintenance 35
6.1 Routine Maintenance 35
6.2 Major Maintenance 36
6.3 Lubrication 36
6.3.1 Lubrication Inspection 36
6.3.2 Standard Lubricant 37
6.3.3 Minimum Lubricant Qualities Required 38
7 SMB Disassembly and Reassembly 39
7.1 SMB-000 39
7.1.1 To Replace the Stem Nut Only 39