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Issue/Rev. 0.6 (12/18) ║ MN01005 • Page 25

2-Bladed Double Case PD Meters Service Manual

Reassembly and Clearance Checks

Figure 32

– Cinch Bolt Sealant

Figure 33

– Cinch Bolt Assembly

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Summary of Contents for Smith Meter C2

Page 1: ... Vane PD Meters Service Manual 2 Bladed Double Case PD Meters Models Straight Through Angle Type C2 S1 S3 S5 S7 E3 S1 S3 S5 S7 A1 A3 E4 S1 A1 F4 S1 S2 S3 S5 S7 A1 A3 G6 S1 S3 S5 S7 A1 A3 H8 S1 S3 S5 S7 JA10 S1 S3 S5 S7 European version Bulletin MN01005 Issue Rev 0 6 12 18 ...

Page 2: ...etely exclude the possibility of errors and are always grateful to be informed of these errors Smith Meter is a registered trademark of TechnipFMC Customer Support Contact Information Customer Service TechnipFMC FMC Technologies Measurement Solutions Inc 1602 Wagner Avenue Erie Pennsylvania 16510 USA P 1 814 898 5000 F 1 814 899 8927 measurement solutions technipfmc com www technipfmc com ...

Page 3: ...7 and A3 9 2 6 Gear Train 10 2 7 Inner Mechanism 10 2 8 Models C2 G6 Meter Adjustment 10 2 9 Models H8 and JA10 Meter Adjustment 11 2 10 Disassembly of Inner Mechanism 12 2 11 Rotor Cover Rollers Removal 14 2 12 C2 Series Meter 16 3 Clearance Checks 17 3 1 Clearance Guide 17 3 2 Clearance Checks 17 3 3 Blade Slot Clearance C 18 3 4 Blade Top End Below Rotor Clearance D 18 3 5 Blade Tip to Housing ...

Page 4: ...Page 4 MN01005 Issue Rev 0 6 12 18 2 Bladed Double Case PD Meters Service Manual Table of Contents This page left intentionally blank ...

Page 5: ...n the condition of the meter should indicate whether the inspection interval can be lengthened or shortened When ordering parts or inquiring about a unit be sure to include complete model and serial number information from the plate Figure 1 Note Meters constructed to special specifications designated by 6 digit serial number may have clearances in variance to those shown in this manual Consult yo...

Page 6: ... be caused by impurities such as sand and iron sulfide and also by the low lubricity of condensates This variation includes solid tungsten carbide journal rotor and thrust bearings In addition blade bearing size and weight have been reduced to minimize the rotational inertia and wear resistance of the bearings and cam has been substantially increased Also the rotor and jackshaft gear assemblies ar...

Page 7: ...the meter Suitable lifting equipment for larger meters Crocus cloth Feeler gauges1 leaf type 9 as illustrated during disassembly Table 1 Wood box Figure 3A for supporting inner unit Eye bolts one 1 two 13 two 3 8 16 Circular wood block Figure 3B to support rotor Micrometer depth type 1 Idler pin puller Models C2 H 8 Low Pressure S1 facilitates removal of idler pinion gear shaft from cover Rotor sh...

Page 8: ...then be replaced as shown in Figure 6 See Table 12 on page 28 for torque values 4 Jackshaft should be inspected for corrosion or scoring If necessary to polish or replace cover must be removed by removing bolts and nuts securing cover to body 5 Remove the upper jackshaft thrust bearing and link assembly Figure 7 If reusable clean polish and coat with grease 6 Check the jackshaft bushing Figure 7 f...

Page 9: ...n the packing gland Reference Literature PO01042 Packing Gland Parts List PO0A002 Lubricants and Sealants Parts List PO0A001 Tools Parts List 2 5 High Pressure Packing Gland Service Models C2 Through JA10 S1 S3 S5 S7 and A3 WARNING Prior to any service or disassembly of the packing gland it is strongly recommended to depressurize and drain the meter maintaining zero pressure on the packing gland 1...

Page 10: ...e with adjusting screw 2 8 Models C2 G6 Meter Adjustment 1 Loosen the adjusting screw nut Figure 12 2 Apply torque to jackshaft coupling and turn the adjusting screw until a position is found where the rotor turns freely 3 When a free turning position has been found with the rotor revolving the adjusting screw should be turned CCW slowly until rotor rubs top cover 4 Mark the position of the adjust...

Page 11: ...justing rotor end clearance is reverse CCW to bottom CW to raise of the smaller sizes Clearances should be checked through the inlet and outlet ports using feeler gauges to position the rotor 1 3 down from the cover In the H8 the adjusting mechanism consists of a long cap screw which extends down through the center of the rotor shaft and threaded into the adjusting bar which moves the adjusting co...

Page 12: ...e to sealant it may be necessary to break apart the body and housing if they cling together JA10 Meters Only Do not attempt to remove the inner mechanism cover before taking off the adjusting screw cap and rotor shaft nut and shaft collar Figure 16 Failure to remove the upper shaft nut will result in breakage of the meter cover or base To remove inner mechanism cover take out all of the cover scre...

Page 13: ...ld be used This fixture maintains inner housing concentricity when the cover is removed Contact your TechnipFMC authorized distributor for availability Take out the machine screw and plate on JA10 meters shaft nut located on underside of housing Remove the rotor from the housing Figure 18 Lift out carefully to prevent damaging blades 2 Bladed Double Case PD Meters Service Manual Disassembly Figure...

Page 14: ...parts If taken apart they should not be exchanged with another meter or replaced individually 3 To separate the cover and rotor pry up to prevent damaging edge of rotor at the openings provided Figure 21 4 Lift off the cover Note position of locating pin and hole to assure proper positioning during reassembly Mark the position of the blades in relation to the rotor slots before proceeding with dis...

Page 15: ...igure 24A Take out the screws that hold the plate to the rotor and lift off Remove the upper rotor bearing spacer and thrust bearing If necessary drive with punch made of soft material To disassemble shaft and cam place shaft in press or vise to compress spring so that pin can 2 Bladed Double Case PD Meters Service Manual Disassembly Figure 22 Removing Cover from Rotor Figure 22A Blade and Rotor B...

Page 16: ...cured with bearings already installed or capabilities must permit epoxying bearings in precise alignment Note on H8 and JA10 Blade Roller Pins On later meters a change has been made in blade roller pins The exposed end of the pin has been shortened drilled and tapped so that it can be extracted by using a cap screw and a bushing arrangement to jack the pin from the blade rather that having to driv...

Page 17: ...Clearances should be checked with a leaf type feeler gauge and compared with the Clearance Guide Table Any average of clearances that are outside of the tolerance listed should be noted Certain parts may be at or over the maximum shown but consideration should be given to the condition of the part and the accuracy obtained during meter calibration Certain major parts such as the rotor cam and blad...

Page 18: ...slots and the average clearance in each slot should not exceed the listed clearances nor shall any single point be more than 25 above the maximum listed 3 4 Blade Top End Below Rotor Clearance D Special Tool Required 1 Depth Micrometer or Feeler Gauge Place a depth micrometer on the rotor over the blade end as shown If a depth micrometer is not available a feeler gauge may be used Lower edge of bl...

Page 19: ...ck Clearance B Special Tool Required 1 Spider 2 Feeler Gauge These clearances between rotor and block should be maintained the full length of the rotor 3 7 Blade Roller to Cam Radius Clearance E Special Tool Required 1 Feeler Gauge With the blade in the measuring chamber this total clearance should be maintained between the radius of the cam and one roller only To measure blade roller clearance ov...

Page 20: ...g The difference between these clearances is the Blade Roller to Cam Radius Difference 3 8 Rotor Adjustment Total End Clearance F Apply torque to jackshaft coupling and turn adjusting screw clockwise to bottom counter clockwise to raise against cover Mark both positions and adjust rotor approximately 1 3 down 2 Bladed Double Case PD Meters Service Manual Clearance Checks Illustration shown with bo...

Page 21: ... Rotor Blade Roller Over Radius Portion of Cam Blade Tip Toward Housing Date As Found As Assembled Date As Found As Assembled Item Date As Found As Assembled Date As Found As Assembled Date As Found As Assembled Meter Clearance Record Rotor to Block Rotor Adj Total End Clearance Blade Slot Total Clearance Blade Ends Top End Clearance Below Rotor Blade Roller Over Radius Portion of Cam Blade Tip To...

Page 22: ...n this position determine blade end clearances for full length of blade Check Clearance Check Section for proper clearances In most instances with new blades these clearances will be found to be too close When this is the case the complete rotor assembly must be removed and the blade ends dressed down Support the rotor assembly in vice or vertically on wood blocks of sufficient height so that the ...

Page 23: ...th the rotor in this position check the bottom rotor clearances at both the inlet and outlet ports compare with Clearance Guide By means of the adjusting screw lower the rotor until 1 3 of this clearance is at the tip and 2 3 is at the bottom Add 002 004 to the top clearances to allow for the tightening of the lock nut Tighten adjusting shaft lock nut and check top and bottom rotor clearances to s...

Page 24: ...rque values For cinch bolts that don t have an O ring refer to Figure 32 for sealing See Table 5 for torque values Figure 31 Inner Mechanism Sealing NOTES Clean all sealing surfaces of old gasket material Clean all sealing surfaces of oils and contamination Make sure surface is dry before applying the Loctite 518 For additional application information or guidance reference the Loctite technical da...

Page 25: ...Issue Rev 0 6 12 18 MN01005 Page 25 2 Bladed Double Case PD Meters Service Manual Reassembly and Clearance Checks Figure 32 Cinch Bolt Sealant Figure 33 Cinch Bolt Assembly ...

Page 26: ... O ring in groove in top of outer housing Install cover Be sure to line up locating pin in cover with hole in housing flange Install cover screws see Figure 34 Torque screws per Tables 6 7 8 9 10 and 11 Figure 34 Cover Screws PD Meter Pressure Rating Stud Size Inch Tightening Torque Dry or Wet FT LB C2 S1 S7 3 8 10 12 E3 S1 S7 1 2 23 28 F4 S1 S7 1 2 23 28 G6 S1 S8 1 2 23 28 H8 S1 S7 3 4 82 97 JA10...

Page 27: ...LB Stud Size Inch Tightening Torque Dry FT LB Stud Size Inch Tightening Torque Dry FT LB Implementation Pre 1994 1994 2005 2005 present All E3 S1 9 16 85 100 9 16 85 100 3 4 171 186 S3 and S5 9 16 85 100 3 4 171 186 3 4 171 186 S6 3 4 248 275 S7 1 610 675 Table 7 E3 Cover Torque Table PD Meter Pressure Rating Stud Size Inch Tightening Torque Dry FT LB Stud Size Inch Tightening Torque Dry FT LB Stu...

Page 28: ...igure 35 Packing Gland Bolts Packing Gland Type Bolt Size Tightening Torque Dry Typical CT Meter Pressure Rating PG 15 HP 9 10 32 24 28 IN LB C2 S1 E3 S1 to S3 F4 S1 G6 S1 H8 S1 PG 30 HP 4 HP 12 Low Friction 5 16 12 16 FT LB C2 S3 to S5 E3 S1 to S5 F4 S1 to S5 G6 S3 to S5 H8 S3 to S5 JA10 S1 to S5 PG 144 PG 222 HP 2 7 16 35 47 FT LB C2 S6 to S7 E3 S6 to S7 F4 S6 to S7 G6 S6 to S8 H8 S6 to S7 JA10 ...

Page 29: ...1011 Installation Operation Maintenance Manual E3 SS01016 PO01001 E3 A1 S1 and E3 S1 prior to 2005 PO01002 E3 S1 and E4 S1 2005 to present PO01003 E3 S3 S5 and E4 S3 2005 to present PO01004 E3 A3 S3 S5 and E4 S3 prior to 2005 PO01005 E3 S6 S7 E4 SS01011 PO01001 E3 A1 S1 and E3 S1 prior to 2005 PO01002 E3 S1 and E4 S1 2005 to present PO01003 E3 S3 S5 and E4 S3 2005 to present PO01004 E3 A3 S3 S5 an...

Page 30: ...s at the cover inner mech cinch bolts and packing gland based on size material and application Total revision of page numbers and layout of the document The speciﬁcations contained herein are subject to change without notice and any user of said speciﬁcations should verify from the manufacturer that the speciﬁcations are currently in effect Otherwise the manufacturer assumes no responsibility for ...

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