Summary of Contents for Flowserve Limitorque MT Series
- Page 1 USER INSTRUCTIONS Limitorque MT Series Installation Operation FCD LMENIM4201-00 – 06/10 Maintenance Experience In Motion...
- Page 2 Limitorque MT Series FCD LMENIM4201-00 – 06/10 This page is left intentionally blank.
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Page 3: Table Of Contents
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Contents Introduction Purpose User Safety Product Capabilities and Features Product Identification Initial Inspection and Recording of Operator Data Storage Procedure Operator Weights Installation Instructions Safety Precautions Safety Practices Installation 4.3.1 Installing an Operator with a Threaded Stem Nut 4.3.2... - Page 4 Limitorque MT Series FCD LMENIM4201-00 – 06/10 Figures Figure 2.1 – MT Nameplate Figure 6.1 – MT-2 Parts Diagram, Side View Figure 6.2 – MT-2 Parts Diagram, Base View Figure 6.3 – MT-3 Parts Diagram Figure 6.4 – MT-4 Parts Diagram Figure 6.5 –...
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Page 5: Introduction
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Introduction 1.1 Purpose This Installation, Operation and Maintenance Manual (IOM) explains how to install and maintain the MT bevel gear operator. Information on installation, disassembly, lubrication, and spare parts is provided. 1.2 User Safety Safety notices in this manual detail precautions the user must take to reduce the risk of personal injury and damage to the equipment. -
Page 6: Product Capabilities And Features
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Product Capabilities and Features The MT gear operator makes it easier to both Designed to make operation of multi-turn valves easier manually operate multi-turn valves and convert to a motorized service. The MT offers torque ranges up to Built for reliable valve control — whether manual or motorized 6,000 ft-lb (8,135 N m) and thrust capacities to 150,000 lb (667 kN) for any application demanding superior strength and accuracy. -
Page 7: Initial Inspection And Recording Of Operator Data
Limitorque MT Series FCD LMENIM4201-00 – 06/10 2.2 Initial Inspection and Recording of Operator Data c WARNING: Read this Installation, Operation and Maintenance Manual carefully and completely before attempting to store the gear operator. Upon receipt of the gear operator, inspect the condition of the equipment and record nameplate information. -
Page 8: Storage Procedure
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Figure 2.1 – MT Nameplate 2.3 Storage Procedure NOTE: The following is the recommended storage procedure to retain maximum product integrity during storage. Failure to comply with recommended procedure will void the warranty. -
Page 9: Operator Weights
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Operator Weights The approximate weights of the gear operators with solid (blank) stem nut, motorized adapter, with and without spur gear attachment, are provided below: Table 3.1 – Operator Weights Operator Without SGA With SGA... -
Page 10: Installation Instructions
CAUTION: Do not use replacement parts that are not genuine Flowserve Limitorque parts, as serious personal injury and/or damage to the operator and valve may result. -
Page 11: Safety Practices
Limitorque MT Series FCD LMENIM4201-00 – 06/10 4.2 Safety Practices The following check points should be performed to maintain safe operation of the MT gear operator: • Set up a periodic operating schedule on infrequently used valves. • Ensure that the limit and/or torque switches on any electric actuator fitted to the bevel gear operator are correctly and appropriately adjusted. -
Page 12: Installing An Operator With A Blank Stem Nut (Mt-4)
Limitorque MT Series FCD LMENIM4201-00 – 06/10 6. Using the specified lubricant, grease the thrust base assembly through the grease fitting. See Section 5 Lubrication, and Figure 6.1, 6.2, 6.3, and 6.4 for grease fitting location. 7. Mount the operator on the valve as detailed in Section 4.3.1, Installing an Operator with a Threaded Stem Nut. -
Page 13: Lubrication
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Lubrication The MT bevel gear operators have a sealed gear case, factory-lubricated with grease. No seal can remain absolutely tight at all times. Therefore, it is not unusual to find a very small amount of weeping around shaft seals —... -
Page 14: Minimum Lubricant Qualities Required
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Table 5.1 – Lubricant Quantities Operator Without SGA With SGA MT-2 MT-3 MT-4 5.3 Minimum Lubricant Qualities Required The standard lubricants used by Limitorque have been proven to be extremely reliable over years of service. Lubricant substitute may be used; however, Limitorque does require the following lubricant qualities as a minimum. -
Page 15: Disassembly And Reassembly
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Disassembly and Reassembly No special tools are required for assembly/disassembly of the MT series bevel gear operators. c WARNING: Valve must be in fully opened position with no pressure in the line to perform work on the gear operator. -
Page 16: Disassembly And Reassembly Of
Limitorque MT Series FCD LMENIM4201-00 – 06/10 6.1 Disassembly and Reassembly of MT-2 6.1.1 Disassembly (Piece numbers refer to Figure 6.1 and 6.2) 1. Remove the Thrust Ring (piece #5). 2. Pull out the Stem Nut (piece #4), Raceway Washers (piece #7), and Needle Bearings (piece #6). -
Page 17: Figure 6.2 - Mt-2 Parts Diagram, Base View
Limitorque MT Series FCD LMENIM4201-00 – 06/10 REVISIONS Figure 6.2 – MT-2 Parts Diagram, Base View DESCRIPTION REV. GENERAL C/N 12/7 CORRECTED BALLOON NOS. AND PART NO. FOR ITEM 23 2007 ADD ADDITIONAL GREASE FITTING & RELIEF VIEW A 2009 PC#14, 15, 16, 19, 26 NAMEPLATE &... -
Page 18: Disassembly And Reassembly Of
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Figure 6.1 – MT-2 Parts Diagram, Side View 6.2 Disassembly and Reassembly of MT-3 6.2.1 Disassembly (Piece numbers refer to Figure 6.3) 1. Remove the Thrust Ring (piece #11). 2. Pull out the Stem Nut (piece #10), Raceway Washers (piece #13), and Needle Bearings (piece #12). -
Page 19: Figure 6.3 - Mt-3 Parts Diagram
Limitorque MT Series FCD LMENIM4201-00 – 06/10 REVISIONS Figure 6.3 – MT-3 Parts Diagram DESCRIPTION REV. GENERAL C/N ADD PIECE #26,27,28,29,30,31,33,62 TO AGREE W/BOM 2009 2-17 ADD PIECE #32 TO AGREE W/BOM 23 24 FLOWSERVE-LIMITORQUE GENERAL MANUFACTURING NOTES UNLESS DATE... -
Page 20: Disassembly And Reassembly Of
Limitorque MT Series FCD LMENIM4201-00 – 06/10 6.3 Disassembly and Reassembly of MT-4 6.3.1 Disassembly (Piece numbers refer to Figure 6.4). 1. Remove Thrust Plate (piece #118) followed by Stem Nut (piece #392, two-piece) and Drive Sleeve (piece #117, 2-piece; piece #394, one-piece) and Roller Bearings (piece #115 and 116). -
Page 21: Figure 6.4 - Mt-4 Parts Diagram
Limitorque MT Series FCD LMENIM4201-00 – 06/10 4. Install Roller Bearings (piece #115 and 116) and Stem Nut (piece #392, two-piece) and Drive Sleeve (piece #117, two-piece; piece #394, one-piece), followed by Thrust Plate (piece #118). NOTE: Gasket compound is to be used on the Motorized Adapter - to - Actuator interface and the Thrust Plate - to - Valve interface. -
Page 22: Disassembly And Reassembly Of Spur Gear Attachments
Limitorque MT Series FCD LMENIM4201-00 – 06/10 6.4 Disassembly and Reassembly of Spur Gear Attachments 6.4.1 Disassembly of 3:1 Spur Gear Attachment for MT-2 (Piece numbers refer to Figure 6.5 and Table 6.5). 1. Remove Hex Head Cap Screws(piece #34) and Lockwashers (piece #35). -
Page 23: Disassembly Of 6.3:1, 10.3:1, And 10.8:1 Spur Gear Attachments For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Table 6.5 – 3:1 SGA Parts List for MT-2 Piece Quantity Description Lockwasher Hex Head Cap Screw Snap Ring Spur Gear Housing Spur Gear Cover Bushing Dowel Pin Hex Head Cap Screw Lockwasher... -
Page 24: Figure 6.6 - 6.3:1, 10.3:1, And 10.8:1 Sga Parts Diagram For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Figure 6.6 – 6.3:1, 10.3:1, and 10.8:1 SGA Parts Diagram for MT-3 Table 6.6 – 6.3:1, 10.3:1, and 10.8:1 SGA Parts List for MT-3 Piece Quantity Description Spur Pinion Spur Gear Housing Spur Gear Cover... -
Page 25: Disassembly Of 5:1 Spur Gear Attachment For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 6.4.5 Disassembly of 5:1 Spur Gear Attachment for MT-4 (Piece numbers refer to Figure 6.7 and Table 6.7). 1. Remove the Socket Head Cap Screws (piece #217) and Lockwashers (piece #216) to remove the Housing (piece #201). -
Page 26: Figure 6.7 - 5:1 Sga Parts Diagram For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Figure 6.7 – 5:1 SGA Parts Diagram for MT-4 Section "B-B" Thru Idler Gear Section through Idler Gear Section through Housing Section "A-A" Table 6.7 – 5:1 SGA Parts List for MT-4 Piece... -
Page 27: Disassembly Of 17.5:1 Spur Gear Attachment For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 6.4.7 Disassembly of 17.5:1 Spur Gear Attachment for MT-4 (Piece numbers refer to Figure 6.8 and Table 6.8). 1. Remove Socket Head Cap Screws (piece #220) and Lockwashers (piece #221) to remove the Housing Cover (piece #201). -
Page 28: Figure 6.8 - 17.5:1 Sga Parts Diagram For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Figure 6.8 – 17.5:1 SGA Parts Diagram for MT-4 221 201... -
Page 29: Table 6.8 - 17.5:1 Sga Parts List For
Limitorque MT Series FCD LMENIM4201-00 – 06/10 Table 6.8 – 17.5:1 SGA Parts List for MT-4 Piece Quantity Description Housing Housing Cover 1st Set Input Shaft/Pinion 1st Set Output Gear 2nd Set Input Shaft 2nd Set Input Gear 2nd Set Output Gear... -
Page 30: How To Order Parts
Limitorque MT Series FCD LMENIM4201-00 – 06/10 How to Order Parts To order parts or obtain further information for your Limitorque MT gear operators, contact your local Limitorque distributor sales office, or: Flowserve Flow Control Limitorque Actuation Systems 5114 Woodall Road P.O. - Page 31 Limitorque MT Series FCD LMENIM4201-00 – 06/10 This page is left intentionally blank. flowserve.com...
- Page 32 Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this Flowserve product is designed to perform its intended function safely during its useful life. However, the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications under a wide variety of industrial service conditions.
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