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Centa Centax-TT, Assembly And Operating Instructions Manual, Page: 22 / 54

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Assembly and operating instructions 

CENTAX-TT 

024T-00130…00460 

M024-00001-EN 

Rev. 6 

 
 

CENTA Antriebe Kirschey GmbH 

22 / 54 

6.2.1

 

Mounting the hub with cylindrical bore and keyway 

 

Fig. 6-1 Mounting the hub with cylindrical bore and keyway 

  

Item

 

Info

 

Designation

 

Remark

 

2 

 

Hub 

 

A 

 

Shaft 

Customer part 

  

 

  

 CAUTION 

 

Material damage can occur as a result of: 

 

Incorrect heating of the hubs/flange hubs 

Heat the hubs/flange hubs steadily in an oil bath, a fan oven, on an 
electric hot plate, inductive or with a flame (ring burner). 

  

 CAUTION 

 

Injuries can occur as a result of: 

 

Hot coupling components 

Use suitable protective gloves. 

  

 

  

Summary of Contents for Centax-TT

Page 1: ...CENTAX TT Assembly and operating instructions 024T 00130 00460 M024 00001 EN Rev 6 ...

Page 2: ...13 5 1 Axial alignment 14 5 2 Radial alignment 16 5 3 Angular alignment 18 6 Mounting 20 6 1 General assembly instructions 20 6 2 Mounting the hub adapter 2 21 6 2 1 Mounting the hub with cylindrical bore and keyway 22 6 2 2 Mounting the hub with conical oil interference fit 24 6 2 3 Mounting the adapter 26 6 3 Mounting the adapter 3 27 6 3 1 Mounting the adapter of coupling size 130 360 27 6 3 2 ...

Page 3: ...s and the adapter 46 9 3 Dismantling the connection adapter 6 and flywheel type FS 46 9 4 Dismantling the rubber elements 46 9 4 1 Dismantling the rubber elements of coupling size 400 47 9 4 2 Dismantling the rubber elements of coupling size 300 48 9 4 3 Dismantling the rubber elements of coupling size 100 200 49 9 5 Dismantling the adapter 6 from the flywheel type FS if necessary 50 9 6 Dismantli...

Page 4: ...0 Fig 6 8 Mounting the rubber elements of coupling size 100 32 Fig 6 9 Mounting the rubber elements of coupling size 200 34 Fig 6 10 Mounting the rubber elements of coupling size 300 36 Fig 6 11 Mounting the rubber elements of coupling size 400 38 Fig 6 12 Mounting the adapter to the flywheel type FS 40 Fig 6 13 Mounting the adapter 3 to the rubber element 41 Fig 9 1 Precompressed rubber element s...

Page 5: ...ndard DIN EN ISO 9001 2000 In the interests of further development CENTA reserves the right to make technical changes IMPORTANT CENTA is unable to accept liability for damage and operating faults caused by failure to observe the operating instructions These operating instructions are protected under copyright to CENTA Antriebe Kirschey GmbH In case of technical questions please enquire with our he...

Page 6: ...evention regulations valid at the installation site in question must be adhered to when performing any of the tasks described in these operating instructions 2 1 Safety remarks In these operating instructions safety remarks are indicated by a pictogram and a signal word 2 1 1 Signal words The following signal words are used in the safety remarks DANGER Denotes the immediate threat of danger If not...

Page 7: ...ons may only be performed by authorized persons with adequate training and instruction WARNING Injury and material damage can occur as a result of Work at the coupling which is not described in these instructions Only carry out work which is described in these operating instructions 2 3 Intended application WARNING Injury and material damage can occur as a result of Application not in compliance w...

Page 8: ...any rotating parts which may be work loose Guarantee sufficient ventilation for the coupling This enclosure must be made of stable steel components In order to ensure adequate ventilation for the coupling the enclosure must be fitted with regular openings For safety reasons these openings must not exceed the dimensions outlined in table 2 1 Component Circular openings mm Rectangular openings mm To...

Page 9: ...sibly high or low speeds Exceeding the specified ambient temperature Inadmissible ambient medium Inadmissible coupling enclosure Exceeding the admissible overall misalignment values Only use the coupling for the specified application CENTA bears no liability for damage resulting from application not in compliance with the intended use of the equipment Should there be a change of plant parameters t...

Page 10: ... damage to coupling components can occur as a result of Contact with sharp edged objects Protect coupling components for transportation Only hoist coupling components with nylon belts or ropes Always cushion parts when supporting them from below Following transportation damage Check the coupling carefully for damage Consult the manufacturer Address see chapter 1 3 3 Storage CAUTION Material damage...

Page 11: ... etc in the same location For more details refer to DIN 7716 3 3 2 Storage of couplings flexible elements Unpack the parts Check the packaging for damage Replace if necessary Check that the wax protection on steel components is intact If necessary patch or renew Package the parts for prolonged periods of storage enclose desiccant and weld into film Place the parts into storage 3 4 Disposal RECYCLI...

Page 12: ... rubber provide good heat dissipation and high permissible energy loss Compensation for all kinds of misalignment especially axial and angular Compact design with short overall dimensions High design flexibility flanges can easily be tailored to all kinds of flywheels and flanges Easy assembly of the coupling and exchange of the elements without disturbing the shafts good access to all bolts For t...

Page 13: ...s composed of the misalignment and the operating misalignment The permissible overall misalignment values can be found in the corresponding catalogue and must not be exceeded All permissible alignment tolerances apply to arrangements at operating temperatures If the arrangement would be aligned at a different temperature there would be additional deviations in the arrangement which were produced b...

Page 14: ...rating instructions CENTAX TT 024T 00130 00460 M024 00001 EN Rev 6 CENTA Antriebe Kirschey GmbH 14 54 5 1 Axial alignment Fig 5 1 Axial misalignment Item Info Designation Remark 2 Hub 3 Adapter B Flywheel Customer part ...

Page 15: ... axial misalignment see Fig 5 1 Take installation length L from the installation drawing Align the units installation dimension L KA max The permissible axial alignment tolerance KA max can be found in the following table Size KA max mm 130 160 0 5 240 260 0 6 340 360 0 7 440 460 1 0 Table 5 1 Permissible axial alignment tolerance ...

Page 16: ... Flywheel Customer part D Dial gauge Customer part CAUTION Material damage to elastically installed engines can occur as a result of Disregard to which extent the engine mounts may settle during alignment During vertical alignment take into account the extent by which the engine mounts settle Please enquire about specifications for the degree of settling from the engine manufacturer or engine moun...

Page 17: ...gauge D to the adapter 3 Set the sensor of the dial gauge D radially against the flywheel B Turn the adapter 3 with the dial gauge D and the flywheel B slowly by 360 Align the units calculated deviation KR max The permissible radial alignment tolerance KR max can be found in the following table Size KR max mm 130 260 0 1 340 360 0 12 440 460 0 15 Table 5 2 Permissible radial alignment tolerance ...

Page 18: ...nment with a dial gauge see Fig 5 3 Attach the dial gauge to the adapter 3 Position the sensor of the dial gauge D radially against the flat surface of the flywheel B at a distance R Turn the adapter 3 with dial gauge D and the flywheel B slowly by 360 The maximum dial gauge deflection must not exceed the value 2xSw at any point The permissible tolerance SW max should be taken from the table below...

Page 19: ...triebe Kirschey GmbH 19 54 Size R mm SW max mm 130 140 673 310 0 54 140 733 335 0 58 140 150 850 400 0 70 160 925 440 0 77 240 250 1090 515 0 90 260 1180 560 0 98 340 350 1340 635 1 10 360 1460 695 1 20 440 450 1685 795 1 39 460 1840 870 1 52 Table 5 3 Permissible angular alignment tolerance ...

Page 20: ...onal start up WARNING Injury and material damage can occur as a result of Assembly of the coupling in the wrong sequence Only ever assemble the coupling in the described sequence WARNING Injury and material damage can occur as a result of Falling coupling components Secure coupling components against falling to the floor CAUTION Material damage to coupling components can occur as a result of Conta...

Page 21: ... levels in accordance with CENTA data sheet D013 013 see chapter 11 1 Use suitable lifting devices for assembly The following assembly stages are described for coupling 024T 00250 S Part illustration and marking may differ slightly from installation drawing and delivery state 6 2 Mounting the hub adapter 2 Mount the hub adapter 2 as appropriate for the type supplied see installation drawing Mounti...

Page 22: ...with cylindrical bore and keyway Item Info Designation Remark 2 Hub A Shaft Customer part CAUTION Material damage can occur as a result of Incorrect heating of the hubs flange hubs Heat the hubs flange hubs steadily in an oil bath a fan oven on an electric hot plate inductive or with a flame ring burner CAUTION Injuries can occur as a result of Hot coupling components Use suitable protective glove...

Page 23: ...EN Rev 6 CENTA Antriebe Kirschey GmbH 23 54 Heat the hub 2 to a temperature of 170 200 C Push the hub 2 onto the shaft A CAUTION Material damage can occur as a result of Hot hubs flange hubs Before further mounting of hubs flange hubs allow them to cool to ambient temperature ...

Page 24: ...tallation drawing A Shaft Customer part c Thread G or G see installation drawing Lightly oil the cone of the shaft A Push the hub 2 onto the shaft A Remove the screw plug 19 from the hub 2 WARNING Injury and material damage can occur as a result of Non compliance with the operating instructions for the hydraulic pumps Before carrying out work with the hydraulic pumps do not fail to read their oper...

Page 25: ...ARNING Material damage can occur as a result of Insufficient expanding pressure in the hub If the expanding pressure is too low the necessary pushing pressure is too high Build up the oil pressure for expanding the hub Build up the oil pressure alternately until the lift path p up of the hub 2 is reached for p up and reference faces see installation drawing Decrease the oil pressure for expanding ...

Page 26: ...024 00001 EN Rev 6 CENTA Antriebe Kirschey GmbH 26 54 6 2 3 Mounting the adapter Fig 6 3 Mounting the adapter Item Info Designation Remark 2 Adapter C Flange Customer part Push the adapter 2 onto into the centring of the flange C Screw the adapter 2 to the flange C ...

Page 27: ...r of coupling size 130 360 see chapter 6 3 1 Mounting the adapter of coupling size 440 460 see chapter 6 3 2 6 3 1 Mounting the adapter of coupling size 130 360 Fig 6 4 Mounting the adapter of coupling size 130 360 Item Info Designation Remark 2 Hub Adapter illustrated is the hub 2 3 Adapter 4 Screw ISO4762 10 9 Push the adapter 3 onto the centring of the hub adapter 2 Screw the adapter 3 to the h...

Page 28: ... adapter of coupling size 440 460 Item Info Designation Remark 2 Hub Adapter illustrated is the hub 2 3 Adapter 4 Screw ISO4762 10 9 Push the adapter 3 onto the centring of the hub adapter 2 Alternating Screw the adapter 3 to the hub adapter 2 using the screws 4 Screw the hub adapter 2 to the adapter 3 using the screws 4 6 4 Aligning the units Align the units to be connected see chapter 5 ...

Page 29: ... 54 6 5 Positioning the adapter 6 to the flywheel type FS Fig 6 6 Positioning the adapter 6 to the flywheel type FS Item Info Designation Remark 3 Adapter 6 Adapter 30 Screw If ordered B Flywheel Customer part Push the adapter 6 into the centring of the flywheel B and secure against falling down using one screw 30 ...

Page 30: ...mer part a Drilling for screw 7 30 Coupling size 130 260 b Drilling for screw 7 30 Coupling size 360 460 Position the first rubber element 1 between the adapter 3 and the adapter flywheel 6 B Push one screw 7 30 into each marked drilling a for coupling sizes 100 and 200 or b for coupling sizes 300 and 400 Loosely screw the rubber element 1 to the adapter flywheel 6 B using the screws 7 30 Repeat t...

Page 31: ...ents Mount the rubber elements as appropriate for the coupling size supplied Mounting the rubber elements of coupling size 100 see chapter 6 7 1 Mounting the rubber elements of coupling size 200 see chapter 6 7 2 Mounting the rubber elements of coupling size 300 see chapter 6 7 3 Mounting the rubber elements of coupling size 400 see chapter 6 7 4 ...

Page 32: ...4 6 7 1 Mounting the rubber elements of coupling size 100 WARNING Injury and material damage can occur as a result of Loosening of the illustrated screws of the precompressed rubber elements The screws X shown in the following illustration may not be unscrewed Fig 6 8 Mounting the rubber elements of coupling size 100 ...

Page 33: ...62 30 Screw ISO4762 If ordered B Flywheel Customer part X Screw Don t unscrew Loosely screw the rubber elements 1 to the flywheel B using the remaining screws 30 Tighten all the screws 30 according to the requested tightening torque Alternative for type FS Loosely screw the rubber elements 1 to the adapter 6 using the screws 7 Tighten all the screws 7 according to the requested tightening torque ...

Page 34: ...4 6 7 2 Mounting the rubber elements of coupling size 200 WARNING Injury and material damage can occur as a result of Loosening of the illustrated screws of the precompressed rubber elements The screws X shown in the following illustration may not be unscrewed Fig 6 9 Mounting the rubber elements of coupling size 200 ...

Page 35: ...4762 30 Screw ISO4762 If ordered B Flywheel Customer part X Screw Don t unscrew Loosely screw the rubber elements 1 to the flywheel B using the remaining screws 30 Tighten all the screws 30 according to the requested tightening torque Alternative for type FS Loosely screw the rubber elements 1 to the adapter 6 using the screws 7 Tighten all the screws 7 according to the requested tightening torque...

Page 36: ... 6 7 3 Mounting the rubber elements of coupling size 300 WARNING Injury and material damage can occur as a result of Loosening of the illustrated screws of the precompressed rubber elements The screws X shown in the following illustration may not be unscrewed Fig 6 10 Mounting the rubber elements of coupling size 300 ...

Page 37: ...4762 30 Screw ISO4762 If ordered B Flywheel Customer part X Screw Don t unscrew Loosely screw the rubber elements 1 to the flywheel B using the remaining screws 30 Tighten all the screws 30 according to the requested tightening torque Alternative for type FS Loosely screw the rubber elements 1 to the adapter 6 using the screws 7 Tighten all the screws 7 according to the requested tightening torque...

Page 38: ... 6 7 4 Mounting the rubber elements of coupling size 400 WARNING Injury and material damage can occur as a result of Loosening of the illustrated screws of the precompressed rubber elements The screws X shown in the following illustration may not be unscrewed Fig 6 11 Mounting the rubber elements of coupling size 400 ...

Page 39: ...gs d and e are aligned Push the screw 33 through the drilling d into the drilling e and screw the rubber element 1 to the flywheel B Repeat the mounting section described above until all screws 33 are bolted Tighten all the screws 30 according to the requested tightening torque Alternative for type FS Loosely screw the rubber segments 1 to the adapter 6 using the remaining screws 7 Turn the adapte...

Page 40: ...Antriebe Kirschey GmbH 40 54 6 8 Mounting the adapter to the flywheel type FS Fig 6 12 Mounting the adapter to the flywheel type FS Item Info Designation Remark 1 Rubber segment 6 Adapter 30 Screw If ordered B Flywheel Customer part Screw the adapter 6 to the flywheel B using the screws 30 ...

Page 41: ...3 to the rubber element Item Info Designation Remark 1 Rubber element 3 Adapter 5 Screw ISO4762 10 9 WARNING Injury and material damage can occur as a result of Wrong tightening torques Only use oiled screws of strength class 10 9 screwed with a tightening torque according to the following table Screw the adapter 3 to the rubber elements 1 using the screws 5 Tightening torque CX TT see table 6 1 ...

Page 42: ... WARNING Injury and material damage can occur as a result of Loose screw connections Before commissioning the tightening torque levels of all screws must be checked and corrected if necessary IMPORTANT After completion of assembly check the alignment of the coupling again and if necessary correct Before commencing long term operation the plant must successfully complete a test run ...

Page 43: ... 7 1 Operating faults root causes and remedy Faults Possible root causes Remedy Prior to all kinds of remedies Switch off the plant Running noises or vibrations in the unit Alignment error Check alignment and correct Check screw torque levels and correct Loose screws Rubber element damaged Alignment error Replace defective parts Check alignment and correct Eliminate the cause for inadmissibly high...

Page 44: ...equired 8 1 Work to be performed 8 1 1 Cleaning the coupling Remove any loose dirt from the coupling 8 1 2 Visual inspection of the coupling Inspect the coupling for cracks chips or missing parts Replace faulty and missing parts 8 1 3 Visual inspection of the rubber elements IMPORTANT Exchange the rubber elements in the event that The wear specifications given in W000 00006 are exceeded Assess the...

Page 45: ...Contact with rotating parts Before starting work at the coupling switch off the plant and secure against unintentional start up WARNING Injury and material damage can occur as a result of Dismantling of the coupling in the wrong sequence Only ever dismantle the coupling in the described sequence WARNING Injury and material damage can occur as a result of Falling coupling components Secure coupling...

Page 46: ...ywheel type FS See Fig 6 11 Loosen the screws 30 of the connection adapter 6 and flywheel B and remove To prevent the adapter 6 of falling to floor reinsert one screw 30 and hand tighten 9 4 Dismantling the rubber elements Dismantle the rubber elements as appropriate for the coupling size supplied Dismantling the rubber elements of coupling size 400 see chapter 9 4 1 Dismantling the rubber element...

Page 47: ...ration may not be unscrewed Fig 9 1 Precompressed rubber element size 400 See Fig 6 10 Loosen the screws 8 33 of the connection rubber element 1 and adapter flywheel 6 B and remove In order to do so turn the adapter 3 together with the hub 2 until the drillings d and e are aligned Loosen the screws 7 30 of the connection rubber element 1 and adapter flywheel 6 B and remove Remove the rubber elemen...

Page 48: ...illustrated screws of the precompressed rubber elements The screws X shown in the following illustration may not be unscrewed Fig 9 2 Precompressed rubber element size 300 See Fig 6 9 Loosen the screws 7 30 of the connection rubber element 1 and adapter flywheel 6 B and remove Remove the rubber element 1 from between the adapter 3 and the adapter flywheel 6 B Repeat the dismantling section describ...

Page 49: ...strated screws of the precompressed rubber elements The screws X shown in the following illustration may not be unscrewed Fig 9 3 Precompressed rubber element size 100 200 See Fig 6 8 and 6 7 Loosen the screws 7 30 of the connection rubber element 1 and adapter flywheel 6 B and remove Remove the rubber element 1 from between the adapter 3 and the adapter flywheel 6 B Repeat the dismantling section...

Page 50: ...ate for the supplied design see installation drawing Dismantling the hub with cylindrical bore and keyway see chapter 9 7 1 Dismantling the hub with cylindrical bore and keyway see chapter 9 7 2 Dismantling the adapter 2 see chapter 9 7 3 9 7 1 Dismantling the hub with cylindrical bore and keyway See Fig 6 1 Remove the hub 2 from the shaft A 9 7 2 Dismantling the hub with conical oil interference ...

Page 51: ...to hold the hub Repeat the following mounting section until the hub is completely released from the shaft Build up oil pressure in order to hold the hub Build up oil pressure to expand the hub pmax 2000 bar Slowly reduce the oil pressure for holding the hub Reduce the oil pressure for expanding the hub Remove the pump for holding the hub from the shaft A Remove the pump for expanding the hub from ...

Page 52: ...ther manufacturers A stock of the most important wearing and spare parts is the most important condition to ensure that the coupling is functional and ready for operation at all times We only provide a warranty for CENTA original parts Wear parts of this coupling Rubber elements Rubber elements must be replaced as a complete set When exchanging all screw connections must be renewed These must be o...

Page 53: ...th DIN ISO 262 unless other specifications are given on CENTA documents Preparation of parts that are to be screwed together The joining areas must be free of dirt preservatives and lubricants Preparation of screws that ARE NOT secured with liquid screw locking medium Give the screws extra lubrication with motor oil under the screw head and in the thread Preparation of screws that ARE secured with...

Page 54: ...Machinery Directive 2006 42 EC Appendix I subchapters 1 1 2 1 1 3 1 1 5 1 3 2 1 3 3 1 3 4 and 1 5 4 In addition we declare that the special technical documents for this incomplete machine were compiled according to Appendix VII Part B and undertake to forward these to the market monitoring authorities by request via our Documentation Department Commissioning of the incomplete machine is interdicte...

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