Flowserve QX Limitorque User Manual
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Limitorque QX Electronic Actuator FCD LMENIM3314-00 – 5/11
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Contents
1 Introduction
7
1.1 Premise
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1.2 Procedure Emphasis
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1.3 Important Notes and Warning Statement
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1.4 Reference Documents
8
1.5 This Document Applies to both QX – 90˚ Actuators and All QXM-Multi-Turn Actuators
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2 QX Actuator Subassembly
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2.1 QX Actuator Subassembly Components
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2.1.1 Product Description
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2.1.2 Storage
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2.1.3 Unit Weights
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2.2 Product Idenitification
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2.2.1 Initial Inspection and Recording Suggestions
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2.3 Maintenance
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2.3.1 Recommended Maintenance
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2.3.2 Unit Lubrication
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2.3.3 O-Ring Lubrication
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2.4 Subassembly Removal and Remounting Procedures
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2.5 How to Order Replacement Subassemblies
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2.5.1 Replacement Parts
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2.5.2 Returning Procedure
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2.5 Screw Preload (Torque)
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3 Remove Actuator from Mounting Adapter
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3.1 Actuator Removal with Type B4/B4E Base (Torque)
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3.1.1 Removal (Type B4/B4E Base)
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3.2 Actuator Removal with Type A1/A1E Base (Thrust)–QXM only
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3.2.1 Optional Thrust Base Assembly QX-1 & 2
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3.2.2 Optional Thrust Base Assembly Removal
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3.2.3 Thrust Base Remounting
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3.2.4 Removal (Type A1/A1E Base) Actuator Removal Separate from Thrust Base
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3.2.5 Remounting (Type A1/A1E Base) Actuator Remounting Separate from Thrust Base19
3.2.6 Removal (Type A1/A1E Base) Actuator and Thrust Base as a Unit
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3.2.7 Remounting (Type A1/A1E Base) Actuator and Thrust Base as a Unit
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4 Mechanical Assemblies
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4.1 Motor Subassembly. QX-1 thru 5
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4.1.1 Motor Subassembly Removal. QX-1 thru 5
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4.1.2 Motor Subassembly Remounting. QX-1 thru 5
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4.2 Handwheel Cover Subassembly, QX-1 thru 5
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4.2.1 Handwheel Cover Subassembly Removal, QX-1 thru 5
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4.2.2 Handwheel Cover Assembly Remounting
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4.3 Motor Cartridge Subassembly, QX-1 thru 5
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4.3.1 Motor Cartridge Subassembly Removal, QX-1 thru 5
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4.3.2 Motor Cartridge Assembly Remounting
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4.4 Gearing and Clutching
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4.4.1 Gearing and Clutching Removal
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4.4.2 Gearing and Clutching Remounting
33
4.5 Pipe Plug
35
4.6 Baseplate
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4.6.1 Baseplate Removal
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4.6.2 Baseplate Remounting
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4.7 Worm Shaft Assembly
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