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MAINTENANcE AND SErvIcE

9 Maintenance and Service

•  Observe the general safety instructions.
•  The brake must not be under voltage during maintenance and repair work!
•  Protect electrical and electronic components from splash water.

9.1 Maintenance intervals

Due to the design, the brake COMBISTOP Type 28 can only be checked when it is

removed. If correctly designed, the brake COMBISTOP Type 28 is maintenance-free.

9.2 Service

Service is required if, in accordance with the fault table, there are symptoms of damaged

or soiled coverings, unusual noises or smells.

cAUTION

Limbs crushed !
Securing the load!

►

Mechanically secure the load against unintended movement.

►

Release brake from load.

►

Dismounting of the brake according to manual.

9.2.1 Dismount the brake

►

Disconnect the connecting cables from the voltage supply.

►

If necessary, remove the fan from the shaft (to this end, refer to the instruction man-

ual of the motor).

►

Remove the three socket screws.

►

Pull the brake backwards from the shaft.

Figure 15: Dismount the brake

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Summary of Contents for COMBISTOP 28

Page 1: ...COMBISTOP TYPE 28 INSTRUCTIONS FOR USE INSTALLATION Translation of the original manual Document 20193433 EN 02 ...

Page 2: ......

Page 3: ... case of non observance of this safety instruction WARNING Dangerous situation which may cause death or serious injury in case of non observance of this safety instruction CAUTION Dangerous situation which may cause minor injury in case of non ob servance of this safety instruction NOTICE Situation which can cause damage to property in case of non obser vance RESTRICTION Is used when certain condi...

Page 4: ...s well as any user specific advice in spoken and written and through tests are made to best of our knowledge and information about the intended use However they are regarded as being only informal and changes are expressly reserved in particular due to technical changes This also applies to any violation of industrial property rights of a third party Selection of our units in view of their suitabi...

Page 5: ...ection 11 1 5 Start up and operation 12 1 6 Maintenance 13 1 7 Disposal 13 2 Product description 14 2 1 Intended use 14 2 2 Residual risks 14 2 3 Improper use 14 2 4 Type code 15 2 5 Overview Parts List 16 2 6 Functional description 16 2 7 Options 17 2 7 1 Micro switch 17 3 Technical Data 18 3 1 Operating conditions 18 3 1 1 Climatic environmental conditions 18 3 1 2 Mechanical environmental condi...

Page 6: ...rical Connection 30 5 1 Connecting the brake 30 5 1 1 AC side switching 31 5 1 2 DC Side Switching 32 5 1 3 DC and AC current switching 32 5 1 4 Protective earth 32 6 Start up 33 6 1 Inspections prior to start up of the brake 33 6 1 1 Run in of the brake 33 7 Operation 34 7 1 Hand release option 34 8 Troubleshooting 35 9 Maintenance and Service 36 9 1 Maintenance intervals 36 9 2 Service 36 9 2 1 ...

Page 7: ...gure 8 Strands for the micro switch 28 Figure 9 Readjusting the micro switch 29 Figure 10 Connection for AC side switching 31 Figure 11 Connection in the terminal box for AC side switching 31 Figure 12 Connection for DC side switching 32 Figure 13 Connection for DC and AC side switching 32 Figure 14 Operation of the hand release 34 Figure 15 Dismount the brake 36 Figure 16 Checking the air gap 38 ...

Page 8: ...Institut for standardization EMC Electromagnetic compatibility EN European standard End customer The end customer is the user of the customer product FE Functional earth GND Reference potential ground IEC International standard IP xx Degree of protection xx for level KEB product The KEB product is subject of this manual Manufacturer The manufacturer is KEB unless otherwise specified e g as ma nufa...

Page 9: ...3 Classification of groups of environmental parameters and their severities Section 1 Storage IEC 104 648 CD EN60721 3 2 Classification of environmental conditions Part 3 Classification of groups of environmental parameters and their severities Section 2 Transportation and handling IEC 104 670 CD EN60721 3 3 Classification of environmental conditions Part 3 Classification of groups of environmenta...

Page 10: ...assembly start up operation and maintenance of the prod uct Understanding of the function in the used machine Detection of hazards and risks of the drive technology Knowledge about work safety and accident prevention e g DGUV Vorschrift 3 1 2 Transport storage and proper use The transport is carried out by qualified persons in accordance with the environmental conditions specified in this manual O...

Page 11: ...ion surfaces Take suitable measures against high humidity aggressive vapors liquids or similar that lead to corrosion and sticking of the surface 1 4 Electrical Connection DANGER Electrical voltage at brake and motor Danger to life due to electric shock Only an electrician may work on the electrical power supply When carrying out any work on the brake switch off the supply volt age and secure it a...

Page 12: ... technical specifications may result in thermal over load at the braking surface or magnet This may lead to failure of the brake CAUTION High temperatures due to braking Burning of the skin Cover hot surfaces safe to touch If necessary attach warning signs on the system Check temperature and allow brake to cool down if necessary CAUTION Rotating Parts Shock or crushing of body parts Wear protectiv...

Page 13: ...r further industrial processing so called B2B devices Manufacturers of B2B devices are obliged to take back and recycle devices manufac tured after 14 08 2018 These devices may not be disposed at the collection centres of public sector disposal organisations If no deviating agreement has been made between the customer and KEB or no deviating mandatory legal regulation exists KEB products marked in...

Page 14: ...of the operating company The technical data and information for connection conditions can be found on the name plate and in the instructions for use and must be observed Any use beyond the technical specifications is also considered as not specified The actual use of the brake in the target products is beyond KEB Automation KG s con trol and therefore shall be exclusively within the operating comp...

Page 15: ...ing x x 2 8 G x x x x x x Version Customer versions Housing 0 completely closed T for tacho mounting W Shaft sealing ring hand release 1 without hand release 2 with hand release Type G Holding brake IP65 1 Series COMBISTOP Type 28 Size 02 09 Table 1 Type code 1 IP65 only possible without manual release or micro switch ...

Page 16: ...the armature and the lining against the friction surfaces The lining is twist proof but can be axially moved while connected to the shaft After applying the rated voltage the coil inside the magnet creates a magnetic field which attracts the armature against the spring force In this way the linings are released and the shaft can rotate freely After disconnecting the voltage the armature is de ener...

Page 17: ...nitor the switching state of the armature brake open closed The user is responsible to connect the electrical equipment and to evaluate the signals The drive control must not allow the motor to start until the armature was attract ed by the magnet i e the lining can rotate freely 1 Micro switch 4 Hexagon head screw 2 Socket head screw 5 Hexagon nut 3 Disc Figure 2 Brake with micro switch For mor i...

Page 18: ...tection EN 60529 IP65 without micro switch without shaft sealing ring without hand release Site altitude Max 2000m above lea level Table 2 Climatic environmental conditions 3 1 2 Mechanical environmental conditions Storage Standard Class Notes Vibration limits EN 60721 3 3 1M1 Vibration amplitude 0 3mm 2 9Hz Acceleration amplitude 1m s 9 200Hz Shock limit values EN 60721 3 3 1M1 40m s 22 ms Transp...

Page 19: ... 5 5 2 Separation time 2 t2 ms 40 60 100 120 240 240 300 350 Separation time with powerbox 2 t2 ms 20 35 50 60 120 120 150 170 Response delay AC 3 t11_ac ms 40 80 140 180 200 400 700 900 Response delay DC 3 t11_dc ms 10 15 20 25 25 50 60 60 Connection time AC 4 t1_ac ms 90 140 200 240 330 650 900 1200 Connection time DC 4 t1_dc ms 20 30 50 55 90 150 180 220 Feather key according to DIN6885 1 Keywa...

Page 20: ...0x3 20 77 49 0 2 52 1 9 2 0 04 143 112 25 2 2 5 37 52 8 51 8 132x3 20 96 61 5 0 2 66 3 4 3 5 05 165 132 30 2 5 3 42 58 3 57 3 152x3 25 115 72 0 2 76 5 9 5 8 06 180 145 35 2 5 3 42 68 8 67 8 170x3 30 115 72 0 3 88 8 3 8 5 07 210 170 45 3 57 74 2 73 2 196x4 30 150 93 0 3 100 12 6 13 4 08 240 196 60 4 5 57 76 86 5 85 5 225x4 35 172 120 0 4 120 19 4 20 3 09 276 230 60 5 76 102 101 260x5 40 203 146 0 5...

Page 21: ...ts 3 3 2 Version for with shaft sealing ring Øf Øf for shaft sealing ring with shaft sealing ring Size Dimensions mm f 02 22 03 32 04 38 05 42 06 47 07 62 08 78 09 78 Figure 4 Dimensions COMBISTOP Type 28 shaft sealing ring ...

Page 22: ...0728G2x xxxx Size Dimensions mm a b e f T 02 105 5 53 5 15 5 22 500 15 5 03 114 62 18 5 32 500 15 5 04 128 76 25 5 38 500 15 5 05 166 86 30 5 42 500 15 5 06 176 96 64 47 500 15 5 07 225 115 34 62 750 15 08 235 125 76 3 78 750 15 09 255 145 69 5 78 750 15 Figure 5 Dimensions COMBISTOP Type 28 hand release ...

Page 23: ...Øl Y Øl 4x S k L1 Y Size Dimensions mm f g k I L1 S 02 22 34 7 41 38 M4 03 32 40 7 52 41 8 M5 04 38 54 7 66 51 8 M5 05 42 64 7 76 57 3 M5 06 47 75 7 88 67 8 M5 07 62 85 8 100 73 2 M6 08 78 100 8 120 85 5 M6 09 78 110 8 130 101 M6 Figure 6 Dimensions COMBISTOP Type 28 tachometer ...

Page 24: ... energised when being mounted Readjustment of the air gap is not possible If necessary check the air gap before mounting 9 2 2 Check air gap Observe during mounting During mounting please observe the following notes instructions The friction surfaces of the brake must not come into contact with oil grease water or other fluids Any contamination will result in loss of torque Never use aggressive fl...

Page 25: ...bearing assembly Step 1 Installing the hub Install the hub 2 on the motor shaft then secure the hub on the motor shaft axially The hub and the linings must not be dam aged Make sure that the hub cannot run against the second friction surface Taking into account the axial play of the shaft a distance of 0 5 mm to 1 mm is rec ommended ...

Page 26: ... fasten the magnetic system Observe the follow ing notes to the socket head screws Notes to the socket head screws To attach the magnetic system we recommend using socket head screws of property class 8 8 Recommended tighening torques M4 M5 M6 M8 M10 3 0Nm 5 9Nm 10 1Nm 24 6Nm 48Nm With a brake construction in degree of protection IP65 e g type 28 G10 G20 G1W G2W use additionally sealing washers e ...

Page 27: ...replace the micro switch see sections below 4 3 1 1 Checking the micro switch setting for anchor position monitoring CAUTION Loss of braking efficiency Before checking the micro switch settings mechanically secure the load against unintended movements and disconnect the brake from load By repeatedly switching the brake check the two switching states Brake energised ON signal micro switch closed Br...

Page 28: ... Remove the two socket head screws 2 Remove the micro switch 1 Mounting The micro switch is mounted in reverse order Connect the micro switch according to the following connection diagram Connecting the micro switch Connect the micro switch as a normally open contact terminal 1 and 4 1 ground black 2 normally closed contact brown 4 normally open contact red Figure 8 Strands for the micro switch Af...

Page 29: ...s the micro switch tappet Connect the measuring instrument to terminal 1 and 4 normally open contact of the micro switch Turn the hexagon head screw 4 towards the micro switch 1 until the normally open contact is closed ON signal Turn back the hexagon head screw 4 until the normally open contact opens again OFF signal Lock the hexagon head screw 4 with the hexagon nut 5 Figure 9 Readjusting the mi...

Page 30: ...struction of the brake in case of incorrect voltage supply The brake is operated with DC voltage Read the rated voltage from the nameplate of the brake Compare with existing voltage source The maximum input voltage Uin must not be exceeded Only connect if the values match If no suitable DC voltage is available the following KEB accessories can be used Half wave and bridge rectifiers COMBITRON 91 F...

Page 31: ...ecelerate 5 1 1 AC side switching An appropriate switch is mandatory for cables longer than 10 m between rectifier and brake Inverter operation possible because the powerbox or rectifier is supplied by the mains Install a jumper so that the motor does not work against the brake For inverter operation switch the switch during start up via the digital output Figure 10 Connection for AC side switchin...

Page 32: ...ossible because the powerbox or rectifier is supplied by the mains For inverter operation switch the switch during start up via the digital output Shortest disconnecting times Reduces the contact erosion Figure 13 Connection for DC and AC side switching 5 1 4 Protective earth The brake has no PE connection The required low resistance connection must be made via the metal fastening to the grounded ...

Page 33: ...ON Do not put into operation if one of the above tests is not OK 6 1 1 Run in of the brake ATTENTION Rated braking torque is only reached after run in of the brake Some dynamic braking operations must be carried out for run in of the brake Depending on the brake size and corresponding speed we recommend a slip and idle time of 2 seconds each for 10 switchings Size 02 03 04 05 06 07 08 09 Speed in ...

Page 34: ...brake can be actuated using the hand release CAUTION Loss of braking efficiency due to actuating the hand release Before actuating the hand release mechanically secure the load against unintended movements If necessary secure the elevator car against falling down To release the brake pull press the le ver 1 of the manual release steadily in the direction of the arrow 2 The lever does not engage To...

Page 35: ...er Air gap too large maxi mum air gap reached Replace wearing parts Foreign particles between armature and lining Remove the foreign particles Use non greasing cleaning agents to clean the brake Magnet coil or connecting cable defective Replace the brake excessive heating Install a high speed circuit breaker for example KEB Pow erbox no braking function Damaged teeth impede movement of armature Re...

Page 36: ...ce free 9 2 Service Service is required if in accordance with the fault table there are symptoms of damaged or soiled coverings unusual noises or smells CAUTION Limbs crushed Securing the load Mechanically secure the load against unintended movement Release brake from load Dismounting of the brake according to manual 9 2 1 Dismount the brake Disconnect the connecting cables from the voltage supply...

Page 37: ...ue X Limiting value XN mm mm mm 02 0 2 0 4 7 5 03 0 2 0 5 8 0 04 0 2 0 6 10 5 05 0 2 0 6 12 0 06 0 3 1 0 12 0 07 0 3 1 0 14 0 08 0 4 1 2 16 0 09 0 4 1 2 18 0 10 0 5 1 5 22 0 Checking the air gap X Connect the brake to rated voltage armature must be applied to the magnet The supply voltage can be found in the performance data on the type plate at the magnet or in the drawings Adjust the measuring b...

Page 38: ...d position ing The lining must not come into contact with cleaning agents or sol vents Contaminated linings must be replaced Dismount the brake 9 2 1 Dismount the brake Remove the lining 3 from the hub 2 Place the lining straight on and slide it onto the hub The lining must slide smoothly onto the hub The teeth of the hub and the lining must not be damaged Check the air gap X with dial gauge 9 2 2...

Page 39: ... sion m mm 0 8 1 0 1 4 1 5 1 5 1 8 1 8 2 0 2 0 2 3 2 7 ATTENTION Loss of braking efficiency For safe operation of the brake it is absolutely necessary to check the setting dimension m Improper adjustment and operation with overexcitation may result in loss of braking efficiency 9 2 4 1 Checking the adjustment dimension m Note The adjustment dimension m must be adjusted with attracted armature The ...

Page 40: ... with the applicable local environmental regulations The corresponding key numbers are subject to change depending on the disassembling process metals plastics and cables The components can be disposed of as follows Magnet with coil cables and all other steel parts Steel scrap Key No EAK 12 01 02 Aluminium components Nonferrous metals this includes copper Key No EAK 16 01 18 Lining incl steel or a...

Page 41: ...opean Union Number Low voltage 2014 35 EU Text Directive on the approximation of the laws of the Member States relating to all electrical equipment that has a voltage rating between 50V and 1000V AC or 75V and 1500V DC Number Hazardous Substances 2011 65 EEc incl 2015 863 EU Text Directive on the approximation of the laws of the Member States relating on the restriction of the use of certain hazar...

Page 42: ...tandard VDE 0580 Version 2011 Electromagnetic devices and components General specifications Informative EN 50178 Version 1997 Electronic equipment for use in power installations The conformity of the above given product to the European Directive 2011 65 EU with changes of 2015 863 EU for restrictions of the use for certain hazardous substances in electrical and electronic equipment is given by qua...

Page 43: ... CONTROL EQUIPMENT Miscellaneous Apparatus CLASS C321187 INDUSTRIAL CONTROL EQUIPMENT Miscellaneous Apparatus Certified to US Standards Spring Applied Brakes COMBISTOP open type 290 VDC de or less insulation Class B or F Type 08 dimensions OB 10 6 180 W Type 28 dimensions 01 10 16 130 W Type 31 dimensions 01 08 16 75 W Type 38 dimensions 02 11 25 280 W Type 71 dimensions 00 11 6 300 W Permanent Ma...

Page 44: ...STOP The following three figures describe the design and the last four figures describe the layout of the product type 2 Component magnets equipped with not certified leads are supplied with levels acceptable for extra low Voltage energy limited circuits only Final acceptability is subjected to re evaluation by CSA in the end use APPLICABLE REQUIREMENTS CSA C22 2 No 14 18 Industrial Control Equipm...

Page 45: ...99031 2018 10 05 Update of report to cover correction of issued address and to update report in accordance with CSA C22 2 No 14 18 and Certification notice Industrial Control Equipment No 60 dated at April 26 2018 1817504 2006 08 25 Alternate construction and re testing of brakes and clutches series Combistop Combiperm and Combinom Rated voltage raised to 205 Vdc for Combiperm and Combinom 1267150...

Page 46: ...46 Revision History 12 Revision History Version Date Description 01 2011 09 First edition 02 2019 10 Complete editorial revision ...

Page 47: ...b jp Internet www keb jp MORE KEB PARTNERS WORLDWIDE www keb de de contact contact worldwide P R China KEB Power Transmission Technology Shanghai Co Ltd No 435 QianPu Road Chedun Town Songjiang District 201611 Shanghai P R China Tel 86 21 37746688 Fax 86 21 37746600 E Mail info keb cn Internet www keb cn Poland KEB Automation KG Tel 48 60407727 E Mail roman trinczek keb de Internet www keb de Repu...

Page 48: ...Automation with Drive www keb de KEB Automation KG Suedstrasse 38 32683 Barntrup Tel 49 5263 401 0 E Mail info keb de ...

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