the PENCOflex Installation and Service Manual
Contents
1. Ref PTP i NDUSTRY PENCOflex 89301e271 All Power Transmission Products know how Installation amp Service Manual Ed Date g 23 11 2010 PENCOflex 1 TABLE OF CONTENT 1 Table Di conoi nn ne REP o pesao id 1 E A o a a eon e mrt t 1 AAA a A is 2 IE TURAN VE A a O 3 5 Inspection and replacement of Rubber eleMents oocccccccccccccccccccocononenanacnicinacenonanenoccnnoncnnncincconacaneenecianeconns 3 0 Cleaning Sr Rubber El MES A A A 3 7 COMMIS Disassembly dia 3 8 Use in Explosive AtMOSDNELES ccccccccccecccececcceeeeeeeeeeeceeeecceeceeeeeeeeeseeeeeeeeesseceeeeeeeeceeeeessesssseeeeeeessseeersesseners 6 8 1 Inspection Intervals for Use in Explosive Atmosphere cccccccceeceeeeeeeeeeeee esse eeeeceeeeeeeeseeeeeeeeeeeeeetees 7 2 2 MARIS AOS nern re 7 E ei A ee ren 8 8 4 Marking of Couplings for Explosive Zones sun 8 O a a a a a a a 8 8 6 Malfunctions and Remedies nuzzuannannnaanannnannnnnnannunnnnnnnannnnnnunnnnanannnnnnannunnnnnnunnnnnnnnnnnnnunnnnnnannnnnnannnen 8 2 ASSEMBLY e During the final boring of couplings supplied with a pre bore make sure that the hub to be machined is centered correctly on its larger diameter e In this way the bore will be absolutely concentric a primordial condition for fault free alignment Indeed the premature wear of the elastic packing can result from incorrect bore concentricity e For couplings star2. g 23 11 2010 dr value of measured radial misalgnment Ar value of maximum radial misalignement e g 0 25mm for a PN280 da value of measured angular misalignement Aa value of maximum angular misalignment e g b a 0 45mm for a PN280 The misalignment measurements must be made on two perpendicular planes and the verification measurements be made at four points at 90 Check the adjustment values when the machine is warm 4 EARTHING The plates or the shafts on which they are mounted must be grounded 5 INSPECTION AND REPLACEMENT OF RUBBER ELEMENTS Remove the nuts or circlips retaining them This means that the inspection and possible replacement of the rubber elements may be effected without having to back off or move the coupled devices It is advisable to smear the spindles with grease when replacing the rubber elements The pins may also be removed without needing to move the two halves For sizes PN510 to PN1420 and for all the PD devices simply remove the bolts or nuts retaining the pins These taper end pins can be removed through the facing holes When the pins are put back in place for sizes PN145 to PN200 they must be coated with Loctite 601 It is advisable to check the rubber elements at regular intervals to detect any wear or misalignment occurring after bearing wear or a movement of the foundation 6 CLEANING OF RUBBER ELEMENTS Clean the elastic elements with a damp cloth Do not use sol
3. Fax 33 3 29 52 62 98 customerservice ptp industry com Page 8 10 PTP INDUSTRY All Power Transmission Products know how PENCOflex Installation amp Service Manual Ed Ref 89301e271 Date g 23 11 2010 Indication of risk Malfunction Cause E Solution in Hazardous Area elastic elements 2 Replace the elastic elements Machine O RubD T 3 Check the alignment at a stop and in degradation of Vibration operation and correct if necessary material inside plates Overheating 4 On the machine seek the cause of vibration Pin Breakage Wear of elastic elements transmission of torque by metal on metal contact Pin breakage due to shock or overtorque The conditions of use do not correspond to the coupling performance Error on machine commissioning Danger of ignition due to sparks 1 Turn off the machine 2 Replace the entire coupling 3 Check the alignment at a stop and in operation and correct if necessary 1 Turn off the machine 2 Identify and eliminate the cause of overload 3 Replace the entire coupling 4 Check the alignment at a stop and in operation and correct if necessary 1 Turn off the machine 2 Check the operating conditions and select a larger coupling 3 Install the new coupling 4 Check the alignment at a stop and in operation and correct if necessary 1 Turn off the m
4. achine 2 Replace the entire coupling 3 Check the alignment at a stop and in operation and correct if necessary 4 Train the operating and maintenance personnel Loosening of nuts or circlips retaining the elastic elements Incorrect assembly of elastic elements Danger of destruction of elastic elements and ignition due to sparks 1 Turn off the machine 2 Disassemble the end stop of the elastic elements and remove them 3 Check the coupling parts and replace them if necessary 4 Assemble new coupling elements while checking the correct assembly of the stopping parts 5 Check the alignment at a stop and in operation and correct if necessary Premature wear of elastic elements Contact with harsh product such as hydrocarbons ozone Danger of overheating and ignition due to sparks 1 Turn off the machine 2 Disassemble the end stop of the elastic elements and remove them 3 Check the coupling parts and replace them if necessary 4 Fit new elastic elements 5 Protect the coupling from all contact with the fluid in question PTP INDUSTRY La belle Orge 88110 Raon L Etape Tel 33 3 29 52 62 72 Fax 33 3 29 52 62 98 customerservice ptp industry com Page 9 10
5. correct positioning of the circlips In an explosive atmosphere the screws must be protected from any possible loosening off for instance by the application of threadlock to the threads 8 6 MALFUNCTIONS AND REMEDIES Indication of risk in Hazardous Area Malfunction Cause Solution 1 Turn off the machine 2 Eliminate the cause of misalignment loose attaching screw broken fastener and dilatation assembly dimensions not complied with deformation of support under load 3 Check the wear of the components and replace as necessary 1 Turn off the machine Danger of Rubber Elements Overheating Misalignment Nois and vibration during operation Wear of Rubber Elements risk on the short term of metal to metal contact Loosening of axial screws fixing coupling hubs Danger of ignition due to sparks 2 Disassemble the end stop on the elastic elements and remove them 3 Check the coupling parts and replace them if necessary 4 Fit new elastic elements 5 Check the alignment at a stop and in operation and correct if necessary 1 Turn off the machine 2 Check the alignment of the coupling 3 Tighten the end attaching screws of the plates and lock them 4 Check the wear of the elements 5 Check the alignment at a stop and in operation and correct if necessary PTP INDUSTRY La belle Orge 88110 Raon L Etape Tel 33 3 29 52 62 72
6. know how Installation amp Service Manual Ed Date g 23 11 2010 Size M L D 145 M8 15 75 155 M8 15 80 175 M10 20 95 200 M10 20 105 235 M12 22 120 245 M12 22 135 280 M12 22 145 315 M12 22 165 355 M16 30 190 385 M16 30 220 460 M20 34 232 510 M20 40 260 575 M24 45 300 670 M24 45 320 725 M24 45 350 850 M30 60 390 990 M30 60 430 1060 M30 60 470 1220 M36 75 515 1420 M36 75 560 La belle Orge 88110 Raon L Etape Page 5 10 PTP INDUSTRY Tel 33 3 29 52 62 72 Fax 33 3 29 52 62 98 customerservice ptp industry com Ref PENCOflex 89301e271 PTP INDUSTRY All Power Transmission Products know how Installation amp Service Manual Ed Date g 23 11 2010 8 3 MATERIAL USED e Material of Hubs EN GJL 200 formerly FGL200 e Material of rubber elements Mixture of Natural Rubber with Styrene Butadien and Carbon Black e Material of Pins Steel 8 4 MARKING OF COUPLINGS FOR EXPLOSIVE ZONES Couplings certified for use in explosive zones are marked 112 D 120 C 113D 120 C II 3 G T4 8 5 FIRST START Before startup check that the radial screws if there are any are tight or check that the shaft end screw is tight Check the alignment and the size between the plates Check the tightness of the elastic element attaching nuts or the
7. rule placed on the outer cylinder of the plates touches them simultaneously at any point see the upper part of fig 4 page 4 there is no misalignment It is important to note that the alignment of the shafts to be connected must be as accurate as possible Indeed although the PENCOflex coupling is capable of neutralizing the alignment defects it is still true that a misalignment that is relatively too large can cause premature wear of the rubber elements E AE b Ar l i Size 145 155 175 200 235 245 280 315 355 385 PN amp PB 13 5 1 5 3 541 5 4 2 55425 EAE PD 3 515 4415 Aa b a 0 3 0 45 0 6 Ar 0 2 0 25 0 3 Size 460 510 575 670 725 850 990 1060 1220 1420 PN amp PB 15 5 2 5 743 8 543 5 10 5 4 5 EAE PD Aa b a 0 6 0 9 1 2 22 Ar 0 3 0 4 0 5 0 75 In practice measure each misalignment value report this value with respect to the maximum indicated value The sum of these ratios shall not exceed 1 dr Ar da Aa lt 1 With PTP INDUSTRY La belle Orge 88110 Raon L Etape Tel 33 3 29 52 62 72 Fax 33 3 29 52 62 98 customerservice ptp industry com Page 2 10 Ref PTP INDUSTRY dina 893010271 All Power Transmission Products know how Installation amp Service Manual Ed Date
8. ting from size 510 it is essential to avoid that the shaft end coincides with the hole provided in the hub see fig 1 page 4 In this case use a hub without a hole e It is not advisable to assemble the hubs on the shafts by driving them with hammer blows so as to avoid damage to the bearings supporting the shafts to be connected Assembly will be carried out preferably with a threaded rod fitted with a nut and washer Simply screw this rod into the tapped hole of the shaft A Thrust Bearing will greatly simplify the task see fig 2 page 4 e To facilitate the assembly of large size couplings the prior heating of the hubs is advisable However avoid exceeding a temperature of 100 C and first remove the rubber elements La belle Orge 88110 Raon L Etape PTP INDUSTRY Tel 33 3 29 52 62 72 Fax 33 3 29 52 62 98 customerservice ptp industry com Page 1 10 ZPTP INDUSTRY All Power Transmission Products know how PENCOflex Installation amp Service Manual Ref 89301e271 Ed g 23 11 2010 Date 3 ALIGNMENT Correct alignment presupposes that the shaft to be connected are a b Parallel see fig 3A page 4 Not offset radially one to the other see fig 3B page 4 When inspection using a thickness gauge shows that the clearance between the hubs is equal all over see at bottom of fig 4 page 4 shaft axis are reputed parallel When a
9. vent but soapy water 7 COUPLING DISASSEMBLY All coupling halves have two tapped puller holes that can be used with suitable accessories see fig 5 page 4 for removing with ease and without hammer blows the hubs from shafts Any retaining screw should be released beforehand La belle Orge 88110 Raon L Etape Page 3 10 PTP INDUSTRY Tel 33 3 29 52 62 72 Fax 33 3 29 52 62 98 customerservice ptp industry com ZPTP INDUSTRY All Power Transmission Products know how PENCOflex Installation amp Service Manual Ref 89301e271 Ed Date g 23 11 2010 Type 510 1220 A A H Ka fis el gt AE TT a gt B i LA a P A Fig 5 La belle Orge 88110 Raon L Etape Page 4 10 PTP INDUSTRY Tel 33 3 29 52 62 72 Fax 33 3 29 52 62 98 customerservice ptp industry com Ref PTP INDUSTRY PENE Oon 893010271 All Power Transmission Products
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