Festo DGC G Series Repair Instructions Download Page 114

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Festo 7DGC-KFa_en

Replacing the cushioning components

4.1.3

Unfasten the lock nuts on the cushioning components.

•

Note

The cushioning components can be replaced even when the end caps are
attached.

Unscrew the cushioning components from the end caps.

•

Insert the new cushioning component by performing the steps in reverse

•

order.

Linear drives DGC-18/25/32/40-…-KF

4.2

Dismantling the linear drive

4.2.1

Place the linear drive on the work surface with the slide facing upwards.

•

Unfasten and remove the three self-tapping screws on both end caps.

•

Note

The basic principle of self-tapping screws means they have a high level of
holding force in the thread and require greater force when unfastening them.

Summary of Contents for DGC G Series

Page 1: ...Repair instructions en Linear drive DGC G 7DGC Ga_en...

Page 2: ...his document as well as the communication of its contents to others without expressed authori sation is prohibited Violations will give rise to damage claims All rights reserved in particular the righ...

Page 3: ...onsideration if necessary These repair instructions have been prepared with care Festo AG Co KG does not however accept liability for any errors in these repair instructions or their consequences Like...

Page 4: ...he sliding play on the slide 22 4 1 5 Replacing the coupling on the slide 23 4 1 6 Replacing the cushioning components 24 4 2 Linear drives DGC 18 25 32 40 G 25 4 2 1 Dismantling the linear drive 25 4...

Page 5: ...pare parts documentation Contains an overview of the spare and wearing parts as well as infor mation on their installation The spare parts documentation can be found in the online spare parts catalogu...

Page 6: ...l product description 2 Functional description 2 1 The DGC G is the basic version of the DGC linear drive family It is a linear drive with the functional principle of a double acting piston for power...

Page 7: ...es accessories type codes technical data and dimensions for the DGC linear drives can be found in the product catalogue or on the Festo website www Festo com Mounting directions 2 3 This graphic provi...

Page 8: ...nt overview 3 DGC 8 12 G 3 1 This diagram is intended only to provide an overview of the individual components To order spare and wearing parts please use the online spare parts catalogue on the Festo...

Page 9: ...p left 5 Elastic cushioning element Tightening torque 2 0 Nm 20 6 Shock absorber Tightening torque 2 0 Nm 20 7 Shock absorber Tightening torque 2 0 Nm 20 8 O ring 3 1 N NBR75 3 2 N NBR70 9 Clip 10 Buf...

Page 10: ...idual components To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 13 13 13 1...

Page 11: ...g torque 0 2 Nm use LOCTITE 243 Tightening torque 0 4 Nm use LOCTITE 243 11 Clamp sealing band 12 Clamp cover band 13 Buffer piston seal 14 Buffer left sub assembly 15 Cylinder barrel 16 Cover band 17...

Page 12: ...order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 13 13 13 10 4 5 6 8 9 11 12 2...

Page 13: ...1 0 Nm use LOCTITE 243 11 Clamp sealing band 12 Clamp cover band 13 Buffer piston seal 14 Buffer left sub assembly 15 Cylinder barrel 16 Cover band 17 Sealing band 18 Socket head screw DIN 912 M6 20 1...

Page 14: ...erview of the individual components To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 1 33 4 5 6 7 8 9 10 11 12 13 14 15 16 17 20 2...

Page 15: ...lamp cover band 13 Buffer piston seal 14 Buffer left sub assembly 15 Cylinder barrel 16 Cover band 17 Sealing band 18 Threaded pin Tightening torque 5 0 Nm 20 use LOCTITE 243 19 Slide piston connectio...

Page 16: ...ts the slide guide setting for sizes DGC 8 and DGC 12 e g noticeable bearing clearance faulty sliding performance and increased sliding noises etc the piston with all components in the cylinder barrel...

Page 17: ...rce when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Documents Chapter 4 1 6 describes how to replace the cushioning components on the end cap Pull the clip...

Page 18: ...etermined from the type code on the name plate of the linear drive see order example below Using this information you can calculate the necessary sealing band length Cutting the new sealing band to le...

Page 19: ...y aids in the online spare parts catalogue on the Festo website www Festo com Grease the sealing band the piston and the inside of the cylinder barrel Observe the greasing instructions in the table at...

Page 20: ...if it is slightly short of the buffers Clip the wiper seal in on the side of the slide Attach the buffers to both ends of the cylinder barrel Grease one new sealing ring per buffer and insert them in...

Page 21: ...dled carelessly If the Torx socket on the screw head is damaged the screw will have to be drilled out Tip Before unfastening the screws tap the screw heads with a suitable pin punch and a hammer in o...

Page 22: ...side threaded pins to secure the toggle levers 1 Unscrew the threaded pins to set the sliding play 2 Warning The threaded pins are secured with Loctite 243 and may become damaged if handled carelessl...

Page 23: ...torque see table Type Torque DGC 8 G 0 3 Nm DGC 12 G 0 3 Nm Fit the buffers and place the end caps on the cylinder barrel as described in chapter 4 1 2 Replacing the coupling on the slide 4 1 5 If the...

Page 24: ...d screw using the appropriate torque see table Type Torque DGC 8 G 1 4 Nm DGC 12 G 1 4 Nm Replacing the cushioning components 4 1 6 Unfasten the lock nuts on the cushioning components Note The cushion...

Page 25: ...d and require greater force when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Remove the sealing rings from the inside of the end caps and the buffers Docume...

Page 26: ...Unscrew and remove the socket head screws from the slide piston connection Remove the slide piston connection Push the slide off the cylinder barrel Push the piston out of the cylinder barrel Documen...

Page 27: ...or sealing band cover band Cutting the new sealing band cover band to length The exact length of the sealing band and cover band is determined by the 0 stroke of the respective type and the stroke of...

Page 28: ...site www Festo com Grease the cylinder barrel and the sealing band and cover band Observe the greasing instructions in the table at the start of this chapter Insert the sealing band in the cylinder ba...

Page 29: ...and insert it into the buffer Note The sealing band and cover band must not protrude beyond the buffers otherwise the end cap cannot form an air tight seal and may have an adverse effect on the functi...

Page 30: ...he start of this chapter Insert the buffer into the piston chamber on the other side of the cylinder barrel Grease the sealing ring and insert it into the buffer Note Newly inserted sealing bands and...

Page 31: ...Torque DGC 18 G 7 0 Nm 10 DGC 25 G 12 Nm 10 DGC 32 G 30 Nm 10 DGC 40 G 30 Nm 10 Note After the linear drive has been assembled it needs to be commissioned as described in chapter 7 of the operating in...

Page 32: ...chapter 4 2 2 Assemble the linear drive as described in chapter 4 2 2 Replacing the buffer strips 4 2 4 Remove the buffer strips from the end caps Grease the backs of the new buffer strips and insert...

Page 33: ...nd require greater force when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Remove the sealing rings from the inside of the end caps and the buffers Documents...

Page 34: ...piston connection Unfasten the socket head screw on the right hand side of the slide piston connection Note Before this screw can be completely unscrewed the socket head screws which are accessible fr...

Page 35: ...connection Push the slide off the cylinder barrel Documents Chapter 4 3 3 describes how to replace the slide elements in the slide Push the piston out of the cylinder barrel Check the springs on the...

Page 36: ...Example DGC 50 180 G 0 stroke 370 mm Stroke 180 mm Length of the sealing band cover band 0 stroke stroke 550 mm The length of the band calculated in this way is a theoretical value Component tolerance...

Page 37: ...imately 14 mm of the cover band still protrude Grease the piston and the band reverser Observe the greasing instructions in the table at the start of this chapter Insert the piston into the cylinder b...

Page 38: ...nd cover band Apply Loctite 243 to the socket head screw and tighten it using the appro priate torque see table Type Torque DGC 50 G 1 0 Nm 20 DGC 63 G 1 0 Nm 20 Move the piston to the other end of th...

Page 39: ...upling Place the slide piston connection on the coupling Place the washer on the socket head screw on the right hand end of the slide piston connection and apply Loctite 243 to the socket head screw O...

Page 40: ...de must not exceed 0 5 mm max 0 5 mm Tighten the socket head screws for the slide piston connection using the appropriate torque see table Type Torque DGC 50 G 20 Nm 20 DGC 63 G 20 Nm 20 Tighten the s...

Page 41: ...socket head screws threaded pins and spring pins into the slide piston connection Note Once the linear drive has been assembled it needs to be commissioned as described in chapter 7 of the operating...

Page 42: ...to the end caps Replacing the sealing rings for the supply ports in the end caps 4 3 5 Unscrew and remove the plug screws for the supply ports from the end cap and remove the sealing rings Note The se...

Page 43: ...tion LUB KC1 DGC 18 25 32 40 50 63 G The guides for these drives are designed for unlubricated operation Relubrication is permitted LUB KC1 Warning The lubrication intervals are shortened by the follo...

Page 44: ...5 4 mm 4 5 mm 3 6 mm Torx screwdriver T10 Screwdriver 5 mm Torque wrench 1 4 3 Nm 0 6 50 Nm 1 25 Nm Torque screwdriver 0 2 1 Nm Flat pliers Required Feeler gauge 0 02 mm Sturdy general purpose scis so...

Page 45: ...o hardware and software The hardware status and where applicable the software status of the product can be found on the type plate of the product If the elec tronic documentation no matter in what for...

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Page 47: ......

Page 48: ......

Page 49: ...Repair instructions en Linear drive DGC GF 7DGC GFa_en DG C 2 5 330 GF PPV A 123 456 W7 08...

Page 50: ...this document as well as the communication of its contents to others without expressed authori sation is prohibited Violations will give rise to damage claims All rights reserved in particular the rig...

Page 51: ...onsideration if necessary These repair instructions have been prepared with care Festo AG Co KG does not however accept liability for any errors in these repair instructions or their consequences Like...

Page 52: ...4 1 3 Replacing the slide elements in the slide 24 4 1 4 Setting the sliding play on the slide 25 4 1 5 Dismantling and repairing the piston module 26 4 1 6 Replacing the cushioning components 27 4 1...

Page 53: ...m Spare parts documentation Contains an overview of the spare and wearing parts as well as infor mation on their installation The spare parts documentation can be found in the online spare parts catal...

Page 54: ...uct description 2 Functional description 2 1 The DGC GF is a linear drive with a plain bearing guide and the functional principle of a double acting piston for power transmission When compressed air i...

Page 55: ...ype codes technical data and dimensions for the DGC linear drives can be found in the product catalogue or on the Festo website www Festo com Mounting directions 2 3 This graphic provides you with an...

Page 56: ...parts please use the online spare parts catalogue on the Festo website spareparts Festo com DGC 25 GF DGC 18 GF DGC 18 GF DGC 25 GF 1 2 3 4 5 6 7 8 3 9 10 11 1213 14 15 16 17 18 19 20 21 22 23 24 25 2...

Page 57: ...Buffer piston seal 18 Buffer left sub assembly 19 Cover band 20 Sealing band 21 Cylinder barrel 22 Slide element 23 Slide element 24 Pressure piece sub assembly 25 Pressure piece 26 Slide 27 Regulati...

Page 58: ...are and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com DGC 32 GF DGC 40 GF 6 7 8 9 10 4 5 3 11 1213 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29...

Page 59: ...sealing band 16 Clamp cover band 17 Buffer piston seal 18 Buffer left sub assembly 19 Cover band 20 Sealing band 21 Cylinder barrel 22 Slide element 23 Slide element 24 Pressure piece sub assembly 25...

Page 60: ...the individual components To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 18 19 20 29 28 27 25 24 23 22 21 13 14 2 3 41 42 37 31...

Page 61: ...cover band 17 Buffer left sub assembly 18 Cover band 19 Sealing band 20 Cylinder barrel 21 Socket head screw DIN 7984 M6 16 8 8 DIN 7984 M6 16 8 8 Tightening torque 6 0 Nm 10 use LOCTITE 243 22 Washe...

Page 62: ...the slide wear on the slide elements the slide guide setting e g noticeable bearing clearance faulty sliding performance and increased sliding noises etc the piston with all components in the cylinder...

Page 63: ...quire greater force when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Remove the sealing rings from the inside of the end caps and the buffers Documents Chap...

Page 64: ...piston connection Note The method for dismantling the drives DGC 18 25 GF and DGC 32 40 GF differs in the way in which the slide piston connection and piston coupling are fastened The DGC 25 GF has a...

Page 65: ...apply any additional glue as this will change the fit If a part of the slide piston connection is faulty the slide itself has to be replaced because of the pairing Push the slide off the cylinder barr...

Page 66: ...DGC 40 GF 335 mm Example DGC 25 330 GF 0 stroke 250 mm Stroke 330 mm Length of the sealing band cover band 0 stroke stroke 580 mm The length of the bands calculated in this way is a theoretical value...

Page 67: ...om inside Thread the cover band into the fixture so that approximately 10 mm of the cover band still protrude Grease the piston and the band reverser Observe the greasing instructions in the table at...

Page 68: ...far enough so that it is positioned flush with the buffer Grease the sealing ring and insert it into the buffer Note The sealing band and cover band must not protrude beyond the buffers otherwise the...

Page 69: ...n using shock absorbers on the end caps Insert the buffer into the cylinder barrel at the other end Grease the sealing ring and insert it into the buffer Note Newly inserted sealing bands and cover ba...

Page 70: ...32 GF 5 7 Nm 10 DGC 40 GF 5 7 Nm 10 Note The method for assembling the drives DGC 18 25 GF and DGC 32 40 GF differs in the way in which the slide piston connection and piston coupling are fastened Th...

Page 71: ...Apply Loctite 243 to the self tapping screws Attach the end caps to both ends of the cylinder barrel Screw the self tapping screws into the cylinder barrel through the end cap and attach them loosely...

Page 72: ...et head screws on the top of the slide and remove them Remove both washers from the top of the slide Note The washers can be removed easily with the help of a small magnet Remove the pressure piece fr...

Page 73: ...t head screws and washers from the top of the slide as described in chapter 4 1 3 Set the sliding play by feel by turning the regulating screws so that the slide rests on the guide rail backlash free...

Page 74: ...eck all parts for wear and replace them as necessary Clip the band reverser in the coupling Note Make sure that the band reverser is aligned properly with the coupling see illustration Connect the cou...

Page 75: ...see table Type Torque DGC 18 GF 3 0 Nm 20 DGC 25 GF 5 0 Nm 20 DGC 32 GF 8 0 Nm 20 DGC 40 GF 20 Nm 20 Replacing the sealing rings for the supply ports in the end caps 4 1 7 Unscrew and remove the plug...

Page 76: ...ire greater force when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Remove the sealing rings from the inside of the end caps and the buffers Documents Chapte...

Page 77: ...e slide piston connection and remove the stop plates Unfasten the threaded pins on the left hand side of the slide piston connection Unfasten and remove the socket head screw on the right hand side th...

Page 78: ...connection Push the slide off the cylinder barrel Documents Chapters 4 2 3 and 4 2 4 describe how to dismantle and repair the slide Push the piston out of the cylinder barrel Check the springs on the...

Page 79: ...Example DGC 50 180 GF 0 stroke 370 mm Stroke 180 mm Length of the sealing band cover band 0 stroke stroke 550 mm The length of the bands calculated in this way is a theoretical value Component toleran...

Page 80: ...imately 14 mm of the cover band still protrude Grease the piston and the band reverser Observe the greasing instructions in the table at the start of this chapter Insert the piston into the cylinder b...

Page 81: ...g and insert it into the buffer Apply the band clamping mechanism to the sealing band and cover band Apply Loctite 243 to the socket head screw and tighten it using the appro priate torque see table T...

Page 82: ...ey do not protrude beyond the contact surface of the buffer see band fastening on the other side of the base profile Apply the band clamping mechanism to the sealing band and cover band Apply Loctite...

Page 83: ...The parallel offset between the upper edge of the slide piston connection and the outer edge of the slide must not exceed 0 5 mm max 0 5 mm Tighten the socket head screws for the slide piston connect...

Page 84: ...edge of both end caps flush with the cylinder barrel Apply Loctite 243 to the socket head screws and tighten them using the appropriate torque see table Type Torque DGC 50 GF 25 Nm 20 DGC 63 GF 30 Nm...

Page 85: ...he help of a small magnet Remove the pressure piece from the slide Unscrew both regulating screws a few turns Insert the pressure piece and the new slide elements in the slide and push the slide onto...

Page 86: ...connection as described in chapter 4 2 1 Remove the socket head screws and washers from the top of the slide as described in chapter 4 2 3 Set the sliding play by feel by turning the regulating screw...

Page 87: ...using the appropriate torque see table Type Torque DGC 50 GF 35 Nm 20 DGC 63 GF 60 Nm 20 Replacing the sealing rings for the supply ports in the end caps 4 2 6 Unscrew and remove the plug screws for...

Page 88: ...The guides for these drives are designed for unlubricated operation Relubrication is permitted LUB KC1 Warning The lubrication intervals are shortened by the following operating conditions Extremely s...

Page 89: ...iver Torque wrench 1 0 60 Nm Torque screwdriver 0 2 10 Nm Open ended spanner 8 mm 15 mm 27 mm Face pin spanner retaining ring pliers For turning regulating screws Flat pliers For positioning the seali...

Page 90: ...o hardware and software The hardware status and where applicable the software status of the product can be found on the type plate of the product If the elec tronic documentation no matter in what for...

Page 91: ......

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Page 93: ...Repair instructions en Linear drive DGC KF 7DGC KFa_en...

Page 94: ...this document as well as the communication of its contents to others without explicit authorisation is prohibited Violations will give rise to damage claims All rights reserved in particular the right...

Page 95: ...onsideration if necessary These repair instructions have been prepared with care Festo AG Co KG does not however accept liability for any errors in these repair instructions or their consequences Like...

Page 96: ...9 4 1 3 Replacing the cushioning components 22 4 2 Linear drives DGC 18 25 32 40 KF 22 4 2 1 Dismantling the linear drive 22 4 2 2 Assembling the linear drives 24 4 2 3 Dismantling and repairing the p...

Page 97: ...can be found on the Festo website www Festo com Spare parts documentation Contains an overview of the spare and wearing parts as well as infor mation on their installation The spare parts documentatio...

Page 98: ...al description 2 1 The DGC KF is a linear drive with a recirculating ball bearing guide and the functional principle of a double acting piston for power transmission When compressed air is applied to...

Page 99: ...tures accessories type codes technical data and dimensions for the DGC linear drives can be found in the product catalogue or on the Festo website www Festo com Mounting directions 2 3 This graphic pr...

Page 100: ...intended only to provide an overview of the individual components To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 3 1 2 2 1 4 8...

Page 101: ...20 6 Shock absorber Tightening torque 3 0 Nm 20 7 Shock absorber Tightening torque 3 0 Nm 20 8 O ring 3 1 N NBR75 3 2 N NBR70 9 Clip 10 Buffer 11 Buffer piston seal 12 Cylinder barrel 13 Piston 14 Pis...

Page 102: ...d wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com DGC 25 KF DGC 18 KF DGC 18 KF DGC 25 KF 1 2 3 4 5 6 7 8 3 9 10 11 1213 14 15 16 17 18 22 23 24 27...

Page 103: ...IN 920 M3 20 4 8 DIN 84 M3 28 4 8 Tightening torque 0 2 Nm 10 use LOCTITE 243 Tightening torque 0 4 Nm 10 use LOCTITE 243 12 Buffer left 13 O ring 1 0 6 N NBR70 1 8 1 2 N NBR75 14 Regulating screw 15...

Page 104: ...wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com DGC 18 KF DGC 25 KF DGC 32 KF DGC 40 KF 1 2 3 4 5 6 7 8 3 9 10 11 1213 14 15 16 17 18 23 25 24 23 2...

Page 105: ...N 912 M4 40 10 9 Tightening torque 0 4 Nm 10 use LOCTITE 243 Tightening torque 1 0 Nm 10 use LOCTITE 243 12 Buffer left 13 O ring 1 8 1 2 N NBR70 3 1 2 N NBR75 14 Regulating screw 15 Clamp sealing ban...

Page 106: ...the individual components To order spare and wearing parts please use the online spare parts catalogue on the Festo website spareparts Festo com 18 19 20 13 14 33 23 22 24 26 27 29 30 6 6 10 10 11 11...

Page 107: ...2 3 N NBR70 12 Buffer left 13 O ring 4 1 5 N NBR70 6 1 5 N NBR70 14 Regulating screw 15 Clamp sealing band 16 Clamp cover band 17 Buffer left sub assembly 18 Cover band 19 Sealing band 20 Cylinder bar...

Page 108: ...of the slide e g notice able bearing clearance faulty sliding performance and increased sliding noises etc the piston with all components in the piston chamber e g piston seals sealing band cover ban...

Page 109: ...re greater force when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Documents Chapter 4 1 3 describes how to replace the cushioning components on the end cap...

Page 110: ...oller bearing carriages do not slide off the guide rail as the roller bearing balls are not secured and will fall out of the guides Push the piston with the coupling out of the cylinder barrel Pull th...

Page 111: ...0 mm Example DGC 12 405 KF 0 stroke 160 mm Stroke 405 mm Length of the sealing band 0 stroke stroke 565 mm The length of the sealing band calculated in this way is a theoretical value Component tolera...

Page 112: ...protrude beyond the buffer otherwise the end cap cannot form an air tight seal and may have an adverse effect on the function of the linear drive The sealing band must be shortened so that it seals of...

Page 113: ...ews to the corresponding torque see table Type Torque DGC 8 KF 0 4 Nm DGC 12 KF 1 1 Nm Apply Loctite 243 to the socket head screw on the coupling and screw it into the coupling through the upper secti...

Page 114: ...aps Insert the new cushioning component by performing the steps in reverse order Linear drives DGC 18 25 32 40 KF 4 2 Dismantling the linear drive 4 2 1 Place the linear drive on the work surface with...

Page 115: ...nd Remove both the buffers from the cylinder barrel Push a suitable pin into one of the holes on the front of the cover in order to release the holding lug behind it 1 Insert a screwdriver in the resp...

Page 116: ...he glued parts break apart they can be placed on top of each other again and re installed You must not apply any additional glue as this will change the fit If a part of the slide piston connection is...

Page 117: ...troke 330 mm Length of the sealing band cover band 0 stroke stroke 580 mm The length of the bands calculated in this way is a theoretical value Component tolerances may make it necessary to adjust the...

Page 118: ...m inside Thread the cover band into the fixture so that approximately 10 mm of the cover band still protrude Grease the piston and the band reverser Observe the greasing instructions in the table at t...

Page 119: ...far enough so that it is positioned flush with the buffer Grease the sealing ring and insert it into the buffer Note The sealing band and cover band must not protrude beyond the buffers otherwise the...

Page 120: ...that they do not protrude beyond the contact surface of the buffer see band fastening on the other side of the base profile Apply the band clamping mechanism to the sealing band and cover band Apply L...

Page 121: ...ugh the piston coupling and into the drill holes on the slide piston connection Put on the second washer Apply Loctite 243 to the thread screw on the nut and tighten it using the appropriate torque se...

Page 122: ...oosely so that the end caps can still be shifted Align the rear and bottom edge of both end caps flush with the cylinder barrel Tighten the self tapping screws on both ends using the appropriate torqu...

Page 123: ...eck all parts for wear and replace them as necessary Clip the band reverser in the coupling Note Make sure that the band reverser is aligned properly with the coupling see illustration Connect the cou...

Page 124: ...see table Type Torque DGC 18 KF 3 0 Nm 20 DGC 25 KF 5 0 Nm 20 DGC 32 KF 8 0 Nm 20 DGC 40 KF 20 Nm 20 Replacing the sealing rings for the supply ports in the end caps 4 2 5 Unscrew and remove the plug...

Page 125: ...ire greater force when unfastening them Remove the end caps from the cylinder barrel at both ends of the drive Remove the sealing rings from the inside of the end caps and the buffers Documents Chapte...

Page 126: ...slide piston connection and remove the stop plates Unfasten the threaded pins on the left hand side of the slide piston connection Unfasten and remove the socket head screw on the right hand side of t...

Page 127: ...not fastened and may be lost when removing the slide piston connection Push the piston out of the cylinder barrel Check the springs on the band reverser for damage and replace them as necessary Pull...

Page 128: ...h of the sealing band cover band 0 stroke stroke 550 mm The length of the bands calculated in this way is a theoretical value Component tolerances may make it necessary to adjust the length of the sea...

Page 129: ...imately 14 mm of the cover band still protrude Grease the piston and the band reverser Observe the greasing instructions in the table at the start of this chapter Insert the piston into the cylinder b...

Page 130: ...and and cover band Apply Loctite 243 to the socket head screw and tighten it using the appro priate torque see table Type Torque DGC 50 KF 1 0 Nm 20 DGC 63 KF 1 0 Nm 20 Move the piston to the other en...

Page 131: ...ightly so that the slide piston connection is positioned at 1 2 mm from the slide Insert the spring pins between the slide and the slide piston connection as far as they will go Note When inserting th...

Page 132: ...table Type Torque DGC 50 KF 5 Nm 20 DGC 63 KF 5 Nm 20 Place the stop plates on the slide piston connection from the side Apply Loctite 243 to the socket head screws and tighten them using the appropri...

Page 133: ...omponents by repeating the steps in reverse order and tighten them using the appropriate torque see table Type Torque DGC 50 KF 35 Nm 20 DGC 63 KF 60 Nm 20 Replacing the sealing rings for the supply p...

Page 134: ...ve friction or the use of grease solvent cleaning agents e g soapsuds will damage the grease layer Grease the band system superficially with LUB KC1 type grease if it no longer has a layer of grease T...

Page 135: ...o hardware and software The hardware status and where applicable the software status of the product can be found on the type plate of the product If the elec tronic documentation no matter in what for...

Page 136: ......

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Festo DGC G Series, Repair Instructions

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