Emerson Bettis MG Installation, Operation And Maintenance Manual Download

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Installation, Operation and Maintenance Manual

MAN-02-10-92-0705-EN Rev. 0

March 2019

Section 3: Disassembly Instructions

Disassembly Instructions

4.4

Instructions - MG Quarter Turn Power Assemblies

1. Separate "M" electric unit (DWG 83775) from MG Power Assembly by removing bolts

(23) and pulling the two assemblies apart.

2. Remove bolts (22) and M/MG Adaptor (8).

3. For further disassembly of MG Power Assembly, refer to the section "DISASSEMBLY

INSTRUCTIONS, WO & WB AWWA GEARS". For parts listings, refer to the specific

assembly drawing for that model.

4. For disassembly of "M" Power Assembly, refer to 1/M Manual E987 and Assembly

Drawing 83775.

Figure 4

Assembly MG03 1/4T PWR ASSY (DWG 84360_F)

Summary of Contents for Bettis MG

Page 1: ...Installation Operation and Maintenance Manual MAN 02 10 92 0705 EN Rev 0 March 2019 WO WB AWWA Gears MG Power Gears Instruction Maintenance Manual ...

Page 2: ......

Page 3: ...cation 2 1 Lubrication Grease Specification 2 Section 3 Installation Procedure 3 1 General Instructions 3 3 2 Stop Setting Procedure 3 Section 4 Disassembly Instructions 4 1 Instructions WO WB AWWA Gears 4 4 2 Instructions GB1 Spur Gear Attachment 6 4 3 Instructions GB3 Spur Gear Attachment 7 4 4 Instructions MG Quarter Turn Power Assemblies 8 Appendix A Reference Drawings ...

Page 4: ...G Read this manual in its entirely before installing operating or performing maintenance on the WO WB MG Gears Use caution when working on with or around valves and actuators High pressures forces voltages and flammable media can be present Failure to follow instructions for proper electrical wiring storage setup and maintenance may cause serious injury damage equipment or void warranty Installati...

Page 5: ...ndition 2 Examine the lubricant for containments such as dirt or water Should contamination be present remove the grease and flush with a commercial degreaser solvant such as mineral spirits or white spirits which is non corrosive and does not affect seal materials Refill with fresh lubricant 3 Examine the lubricant for consistency The appearance should be slightly fluid NOTE Alternate lubricants ...

Page 6: ...have no dial indicator 5 Lower actuator on to splined shaft Actuator is now ready for attachment to valve 6 Once in place on valve re install indicator cover 16 3 2 Stop Setting Procedure 1 With actuator and valve in full closed position remove stop screw cover bolt 12 2 Remove jam screw 13 3 Adjust stop screw 14 inward if valve is closed and the stop has not been engaged If valve is not fully clo...

Page 7: ...y 11 Check the condition of all gaskets and o rings If torn or damaged replace 12 Reassemble the actuator by reverse order of the steps listed above The end cap gasket thickness is generally 1 32 to 1 64 This is determined by the amount of axial float in the worm shaft once the bolts on both the end caps 1 24 have been tightened When properly adjusted axial float should be almost eliminated while ...

Page 8: ...ft EIM Model WO20 B has CW rotation of actuator rotation of EIM input therefore model WO20 A is made available for these non standard requirements 35477 1 SPLINE BUSH 67 1R WORM H W DI OPEN CAP RTN 5100 125 NAMEPLATE WO20 A 67 1 6 50 O RNG 568 326 70D KEY 25 SQ X 1 50 SHSS 3 8 16 X 50 67 1 RH DR SLV 84216 A 1 1 1 1 1 1 1 1 4045232617 4060001125 35333 1 36664 35689 2R 4101802514 4042209310 34971 4R...

Page 9: ...housing cover 27 and gasket 24 3 Remove input shaft 30 If damaged or bent replace Check bronze bearings 25 22 for wear Replace if needed 4 Remove retaining ring 28 If damaged or bent replace 5 Remove gear 31 from worm shaft 18 6 Remove eight socket head cap screws 34 7 Remove GB1 housing 21 and end cap gasket 7 8 Inspect bearing 22 If worn or damaged replace 9 Inspect all gaskets and a rings If wo...

Page 10: ...G83 Input shaft 33 is splined 2 Remove twelve GB3 cover bolts 38 housing cover 28 and gasket 39 3 Remove input shaft 33 4 Remove gear 24 5 Remove retaining ring 37 6 Remove gear 27 from worm shaft 7 Inspect bearings 31 36 26 If worn or damaged replace 8 Remove four cap screws 40 and GB3 housing 23 9 Remove eight cap screws 7 G83 adaptor 2 and end cap gasket 16 10 Inspect all gaskets and o rings If...

Page 11: ...om MG Power Assembly by removing bolts 23 and pulling the two assemblies apart 2 Remove bolts 22 and M MG Adaptor 8 3 For further disassembly of MG Power Assembly refer to the section DISASSEMBLY INSTRUCTIONS WO WB AWWA GEARS For parts listings refer to the specific assembly drawing for that model 4 For disassembly of M Power Assembly refer to 1 M Manual E987 and Assembly Drawing 83775 Figure 4 As...

Page 12: ...for CW rotation of valve shaft Special applications require Counter Clockwise CCW Special Note Industry standards for actuators generally require Clockwise CW rotation of handwheel to Close valve with Clockwise CW rotation of valve shaft EIM Model WO20 B has CW rotation of actuator rotation of EIM input therefore model WO20 A is made available for these non standard requirements 35477 1 SPLINE BUS...

Page 13: ... RNG 568 154 70D WORM ASSEMBLY O RNG 568 228 70D O RNG 568 021 70D O RNG 568 128 70D TQ LIMIT GEAR ASSY G L PINION ASSY O RNG 568 163 70D TORQUE SPRING CVR FHSCS 3 8 16 x 75 PLUG 1 2 NPT MAIN HOUSING O RNG 5 642 70D P S CLUTCH ASSY THWS 10 24 X 48 RTN 5100 59 4060001059 R001 4 3 4 1 3 1 1 1 2 2 1 1 1 1 4 3 1 1 1 4 22 29 25 24 23 20 18 17 15 8 10 11 12 9 7 6 5 4 4042520020 4045215417 P3643 40452228...

Page 14: ... 44 67 107 103 73 49 106 5 105 33 103 104 36 12 25 42 13 60 24 34 Part No Part No Part No PM 00 24L M 48 2L GEAR ASSY PM000 1 35820 2L 35820 4R PM000 1 PM 00 12R M 48 4R GEAR ASSY PM 00 12L M 48 4L GEAR ASSY PM000 1 35820 4L M MG 48 4L GEAR M MG 48 2L GEAR M MG 48 4R GEAR Description M BASIC PARTS Description M BASIC PARTS Description M BASIC PARTS Part No Part No PM 00 48R M 48 1R GEAR ASSY Part ...

Page 15: ...17 7 5 191 10 8 275 17 3 439 5 2 133 7 6 193 3 6 91 REV ECO THIRD ANGLE PROJECTION DRAWING NO REV DRAWN BY DATE 1 of 2 SHEET A2 SCALE CHECKED BY DWG SIZE INTERPRET DIMENSIONS AND TOLERANCE PER ASME Y14 5 APPROVED BY M 2001 16G 2 18 2014 A M MG02 1 4T 6 500 2 18 2014 1 4 Copyright 2014 Emerson Process Management Valve Actuation LLC All Rights Reserved 08 VAED A TITLE All dimensions are in inch mm A...

Page 16: ... F G H A B C D E F G H This drawing including the information it bears is the property of Emerson Process Management Valve Actuation LLC All Rights Reserved and must be held in strict confidence and properly safeguarded by the recipient at all times It may not be copied or reproduced or provided or revealed to any other party except with the prior written authorization of Emerson Process Managemen...

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Page 18: ...Longmeadow Business Estate East P O Box 6908 Greenstone 1616 Modderfontein Extension 5 South Africa T 27 11 451 3700 EUROPE Holland Fasor 6 Székesfehérvár 8000 Hungary T 36 22 53 09 50 Strada Biffi 165 29017 Fiorenzuola d Arda PC Italy T 39 0523 944 411 www emerson com bettis 2019 Emerson All rights reserved The Emerson logo is a trademark and service mark of Emerson Electric Co BettisTM is a mark...

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