Flowserve L120 Series Limitorque Actuation Systems User 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