Flowserve MX Limitorque User Manual
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Limitorque MX Maintenance and Spare Parts FCD LMENIM2314-00 – 07/08
flowserve.com
Contents
1 Introduction
1
1.1 Premise
1
1.2 Procedure Emphasis
1
1.3 Important Notes and Warning Statements
1
1.4 Reference Documents
2
2 MX Actuator Subassembly
3
2.1 MX Actuator Subassembly Components
4
2.1.1 Product Description
4
2.1.2 Storage
4
2.1.3 Unit Weights
5
2.2 Product Identification
5
2.2.1 Initial Inspection and Recording Suggestions
5
2.3 Maintenance
6
2.3.1 Recommended Maintenance
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2.3.2 Unit Lubrication
6
2.3.3 O-Ring and Lubrication
8
2.4 Subassembly Removal and Remounting Procedures
8
2.5 How to Order Replacement Subassemblies
9
2.5.1 Replacement Parts
9
2.5.2 Return Procedure
9
3 Remove Actuator from Mounting Adapter
11
3.1 Actuator Removal with Type B1/B4/B4E Base (Torque)
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3.1.1 Removal (Type B1/B4/B4E Base)
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3.1.2 Remounting (Type B1/B4/B4E Base)
12
3.2 Actuator Removal with Type A1/A1E Base (Thrust)
14
3.2.1 Removal (Type A1/A1E Base) Actuator Removal Separate from Thrust Base
14
3.2.2 Remounting (Type A1/A1E Base) Actuator Remounting Separate from Thrust Base
15
3.2.3 Removal (Type A1/A1E Base) Actuator and Thrust Base as a Unit
17
3.2.4 Remounting (Type A1/A1E Base) Actuator and Thrust Base as a Unit
18
4 Mechanical Assemblies
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4.1 Motor
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4.1.1 Removal
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4.1.2 Remounting
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4.1.3 Removal and mounting of MX-140 motor (40 RPM and greater)
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4.1.4 Remounting
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4.1.5 Mounting of MX-150 motor
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4.2 Declutch
25
4.2.1 Removal
27
4.2.2 Remounting
29
4.3 Top-Mounted Handwheel (MX-05, -10, -20, and -40)
32
4.3.1 Removal
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4.3.2 Remounting
33
4.4 Side-Mounted Handwheel Without Spur Gear Attachment (MX-10, -20, -85, -140, and -150)
35
4.4.1 Side-Mounted Handwheel Without Spur Gear Attachment (MX-85, -140, and -150)
36
4.4.2 Removal of Side-Mounted Handwheel (MX-10, -20, -85, -140, and -150)
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4.4.3 Removal
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4.4.4 Remounting
39