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Antec NHCD-1400, Instructions For Assembly, Adjustment And Maintenance

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Antec NHCD-1400 Instructions For Assembly, Adjustment And Maintenance Download Page 33

 

 

              

       

HYDRAULIC CALLIPER TYPE NHCD-1400

 

             Instructions for assembly, adjustment and maintenance

 

 

 

 

 

T.D.S.: BC.TDS.00025I 

Rev.0.: September - 2012 

                                                            

www.antecsa.com

                                         Page 33-42

 

 

 

 

The seal kit for NHCD-1400 brakes consists of: 

 

Marked reference on 

assembly drawing 

Name 

Quantity 

13 

Scraper 

2 

14 

Scraper 

2 

15 

Guide ring 

2 

16 

Guide ring 

2 

33 

Seal 

2 

34 

Seal 

2 

BETWEEN 1-3 

Liquid silicone seal Threebond 1215 

- 

 

 

To  replace the  components of the seals  kit  we shall follow the  following steps (the 

explanation is given for one of the semi-callipers of the brake and is the same for the other): 
 
7.1-

 

Feed  the  brake  at  the  pressure  indicated  for  each  brake  in  the  attached  table  of 
point 1.3 of the instructions. 

 
7.2-

 

Maintaining the hydraulic pressure, remove the sensors bracket (marked 9). 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

ANTEC recommends ALWAYS replacing the entire brake seal kit when 
a problem occurs with any of its components.

 

NOTE 

 

 

9 

Summary of Contents for NHCD-1400

Page 1: ...umber BC TDS 00025I Author Unitzer Bilbao Oscar Lucio Revised by Sales Department Date September 2012 Date Rev 01 Aplicación Nuevas Tecnologías ANTEC S A Ramón y Cajal 74 48 920 Portugalete Bizkaia Spain Tel 0034 94 496 50 11 Fax 0034 94 496 53 37 After Sales Service sales antecsa com www antecsa com Page 1 42 ...

Page 2: ... Page 5 2 BRAKE DELIVERY AND ASSEMBLY Page 12 2 1 BRAKE DELIVERY Page 12 2 2 DISC AND SURFACE FOR ASSEMBLY Page 13 2 3 ASSEMBLY PROCEDURE Page 13 3 BRAKE MAINTENANCE Page 16 4 ADJUSTING THE BRAKE Page 16 4 1 ADJUSTING THE CALLIPER OPENING Page 16 4 2 ADJUSTMENT OF SENSORS Page 19 5 CHANGING THE LININGS Page 24 6 CHANGING THE SPRINGS Page 28 7 CHANGING THE SEALS Page 32 8 SPARE PARTS Page 39 9 ONGO...

Page 3: ...mation and a reference tool for operators and technicians 1 2 SAFETY INSTRUCTIONS Various symbols appear throughout this manual which highlight the importance of the subject section They are usually related to safety matters and it is therefore recommended to pay special attention to these points Warning This symbol will be included at points or in paragraphs that need special attention It usually...

Page 4: ...oblems and ensure safety 4 Make sure all electrical apparatus if any is properly grounded to prevent electric shocks 5 Rigorously adhere to the limits set for each brake component and for the brake itself 6 Before switching on any machine fitted with ANTEC brakes ensure that the brake is fully applied and tightened with the required torque 7 ANTEC does not accept any liability for the use and main...

Page 5: ... to open the brake is 21 Mpa whereas the minimum varies depending on the spring strength The minimum pressure for opening the brake as well as other data of interest are described in the following attached table CALLIPER NHCD 1407 NHCD 1410 NHCD 1413 NHCD 1415 Clamping force N 75000 100000 130000 150000 Releasing pressure Mpa 11 14 20 21 Maximum pressure Mpa 21 Release stroke mm 1 each side Oil vo...

Page 6: ...E BRAKING BRAKES OF NUMBER TORQUE BRAKE 0 10000 20000 30000 40000 50000 60000 70000 80000 500 600 700 800 1000 1200 1500 ø Disc mm Braking Torque Nm NHCD 1415 NHCD 1413 NHCD 1410 NHCD 1407 Each half calliper has 2 connections with a 3 8 G thread for the hydraulic feed It is recommended to use the lower 3 8 G connection leaving the upper one free to fit an air purge device or for the event that the...

Page 7: ...HYDRAULIC CALLIPER TYPE NHCD 1400 Instructions for assembly adjustment and maintenance T D S BC TDS 00025I Rev 0 September 2012 www antecsa com Page 7 42 Power 3 8 G Power 3 8 G ...

Page 8: ...4 SPACER 2 5 ADJUSTMENT SCREW 2 6 LOCKING BACKSTOP 2 8 ACTUATOR 2 9 SENSOR BRACKET 2 10 LINING PLATE 2 11 SPRING 2 12 SUPPLEMENT Optional 2 13 SCRAPER 2 14 SCRAPER 2 15 GUIDE RING 2 16 GUIDE RING 2 18 BOLT 2 19 NUT 2 20 M12x50 8 8 SCREW 20 21 WASHER 20 22 M20x70 10 9 SCREW 8 23 BACKSTOP 4 28 WASHER 8 29 WASHER 2 30 WASHER 4 31 M6x12 8 8 SCREW 4 32 PLUG 4 33 SEAL 2 34 SEAL 2 35 TECHNICAL SPECIFICAT...

Page 9: ...HYDRAULIC CALLIPER TYPE NHCD 1400 Instructions for assembly adjustment and maintenance T D S BC TDS 00025I Rev 0 September 2012 www antecsa com Page 9 42 ASSEMBLY 1 ...

Page 10: ... NHCD 1400 Instructions for assembly adjustment and maintenance T D S BC TDS 00025I Rev 0 September 2012 www antecsa com Page 10 42 ASSEMBLY BREAKDOWN 3 31 5 8 9 4 14 21 6 19 29 20 30 36 9 Backstop position with locked brake ...

Page 11: ... 1400 Instructions for assembly adjustment and maintenance T D S BC TDS 00025I Rev 0 September 2012 www antecsa com Page 11 42 10 11 2 18 22 33 16 34 15 13 28 38 23 32 1 35 37 6 Backstop position with unlocked brake 12 39 Optional ...

Page 12: ...d with a bracket or hydraulic assembly it will be supplied in another packaging The NHCD 1400 callipers are supplied without pressure with fully distended springs Antec certifies that the NHCD 1400 brakes have been tested on the company s test benches at its facilities using the proper operating oil The inside brake parts are lubricated so that the brake will not suffer corrosion while being trans...

Page 13: ...isc cleaning in point 2 2 2 3 2 Remove brake from packaging do not remove plugs marked 32 2 3 3 Clean the contact surface between the brake and its bracket and the contact surfaces between the linings with the disc Once the brakes have been unpacked and transported to the installation point they could become dirty which is why both surfaces need to be cleaned NOTE The brakes have been designed in ...

Page 14: ...orque ANTEC recommends using 10 9 screws lubricated with MoS2 RECOMMENDED TIGHTENING TORQUE FOR M24 SCREWS Quality 10 9 Nm Lubricated with MoS2 Not lubricated 734 980 Contact surface with the bracket Contact surface between the linings and the disc NOTE The anchoring screws washers and nuts are optional accessories and are not supplied with the brakes unless the customer orders them NOTE IMPORTANT...

Page 15: ...ns apply 2 Mpa of pressure to the brake to bleed the air out of it The purging of air out of the 3 8 G hole is done without hydraulic feed In the event of not having the option of fitting a minimex outlet the brake air can be bled out through the upper feed connection by unscrewing the steel plug until oil comes out At that time we will know that there is no longer any air in the brake so we can s...

Page 16: ...g 3 3 Check the torque of the stopper screws and the fastening screws of the brake to any of the brackets See the blueprint of the brake supplied with the documentation sent by Antec 3 4 Check that there is no leakage in the hydraulic connections 4 ADJUSTING THE BRAKE The brake has two unique adjustment points 4 1 Adjustment of the calliper opening The explanation of the adjustment of the calliper...

Page 17: ...2012 www antecsa com Page 17 42 4 1 3 Adjust the adjustment screw marked 5 by tightening or loosening until the distance between the lining and the disc is of 1 mm We will refer to this distance as the air gap Important measure this distance using gauges 5 19 Airgap 9 30 31 NOTE Important measure 1 mm using gauges 19 5 6 36 ...

Page 18: ...hat time the brake after having cancelled the hydraulic feed will by the action of the springs brake with the force shown in the attached table in point 1 3 4 1 7 Mount the locking backstop marked 6 with the bolt marked 38 in the position shown in the following diagram storage position of the locking backstop NOTE The airgap must be the same on both sides of the disc Otherwise there may be anomalo...

Page 19: ...e cover as shown in the following diagram There is another assembly option of the wear sensor D D by means of cables embedded in the lining as explained in point 4 2 3 The two detectors fitted to the brake fulfil the following functions 4 2 1 Opening signalling contact indicator C S A This sensor indicates when the brake is open pressurised Then the sensor does not detect the brake is closed unpre...

Page 20: ...marked 2 previously mention in the instructions both with the brake open as well as with the brake closed By applying the opening pressure for each brake shown in the attached table in point 1 3 of the instructions adjust the opening sensor indicator C S A to the measurement shown in the following diagram 44 mm between the head of the sensor and the strip marked 8 CURVES 1 Number of operations 2 R...

Page 21: ... how the output cable of the sensor is connected NC or NO one can also know if there is any problem with the wiring connections 4 2 2 Lining wear sensor D D Optional in the assembly of the brake This sensor detects the time at which the lining has been worn by 1 mm The sensor is the one as the one used to detect wear with the same technical features How is the lining wear sensor adjusted The senso...

Page 22: ...rip marked 8 When the sensor emits a warning the operator must know that the following may occur The lining has worn by 1 mm The lining is completely worn Depending on how the output cable of the sensor is connected NC or NO one can also know if there is any problem with the wiring connections 8 Important When the wear sensor gives a warning the operator must make one of the following two decision...

Page 23: ...mounting the shoe lining wear detector by inserting two cables into the lining as shown in the following diagram The cables are connected to a connection terminal that is prepared so that the client can make the required connections to his electrical power equipment This type of wear sensor needs no kind of adjustment by the operator Lining with wears detection cables Connections with the customer...

Page 24: ...eel plate and the friction material Its total thickness is of 30 mm per lining When the total thickness of the lining has dropped to 22 mm at any point in other words it has worn down by 8 mm it must be replaced NOTE ANTEC recommends always replacing both brake linings regardless of whether one or both linings have worn down The customer must do the brake s electrical connection with the customer ...

Page 25: ...body Then assemble the backstop marked 6 in the locked position Retighten the nut of the adjustment screw 19 locking the calliper At that time one can remove the hydraulic pressure 4 Fit the locking backstop 6 Fully ensure that the locking backstop specified in point 5 2 is properly fitted before removing the hydraulic pressure 1 Remove the bracket 9 with the sensors 2 Untighten the nut 19 of the ...

Page 26: ...ese can both be dismantled from the sides or from the centre of the brake towards the centre of the disc if there is enough space SIDE CHANGING OF BRAKE LINING Dismantle a side backstop marked 23 with its anchoring bolts and washers marked 22 28 Remove the old lining out of the side marked 10 RECOMMENDED TIGHTENING TORQUE FOR M20 SCREWS Quality 10 9 Nm Lubricated with MoS2 Not lubricated 427 570 O...

Page 27: ...e marked 10 5 4 Mount the new linings 5 5 Perform the procedure in reverse order starting from point 5 3 fit the side backstops 5 6 Proceed as described in point 4 of the instructions adjusting the brake RECOMMENDED TIGHTENING TORQUE FOR M20 SCREWS Quality 10 9 Nm Lubricated with MoS2 Not lubricated 427 570 A newly installed lining requires a breaking in period to achieve the proper lining propert...

Page 28: ... same for the other 6 1 Feed the brake at the pressure indicated for each brake in the attached table of point 1 3 of the instructions 6 2 Maintaining the hydraulic pressure remove the sensors bracket marked 9 The process of changing springs is hazardous for the operator doing it for which reason Antec warns of the danger and advises the client to establish a specific risk prevention protocol for ...

Page 29: ...freed up without creating any effort 6 4 The block of springs is still compressed so that if now the cover is removed marked 3 the springs would exert a force that could be dangerous for the worker 6 5 Maintaining the brake feed dismantle the lining marked 10 following the guidelines given in point 5 3 of these instructions 6 6 Remove the pressure 19 9 29 8 6 Failure to comply with these rules may...

Page 30: ...he cover of the brake marked 3 After this remove the cover marked 3 and the spring guide marked 4 Lastly remove the package of springs marked 11 and the supplement marked 12 Optional depending on the brake model 6 8 Fit the spring guide marked 4 into its place taking care to fit it into its lodging of the piston marked 2 RECOMMENDED TIGHTENING TORQUE FOR M12 SCREWS Quality 8 8 Nm Lubricated with M...

Page 31: ...bly which is specific to each brake model Also mount the supplement marked 12 Optional depending on the brake model 6 10 Mount the cover marked 3 in which we must have replaced the scraper marked 14 with a new one When mounting the cover take into account that the pin marked 18 must be lodged in the housing of the piston marked 2 Tighten the cover fastening bolts marked 20 21 with the correspondin...

Page 32: ...E SEALS Once the seals have worn down or leaks appear in the brake they need to be replaced The seals must be changed in the cleanest possible environment to avoid contaminating the parts inside the calliper with abrasive particles The parts and seals must be handled as carefully as possible to avoid superficial damages that could cause oil leaks Check that the surface of the parts is in good cond...

Page 33: ... BETWEEN 1 3 Liquid silicone seal Threebond 1215 To replace the components of the seals kit we shall follow the following steps the explanation is given for one of the semi callipers of the brake and is the same for the other 7 1 Feed the brake at the pressure indicated for each brake in the attached table of point 1 3 of the instructions 7 2 Maintaining the hydraulic pressure remove the sensors b...

Page 34: ...freed up without creating any effort 7 4 The block of springs is still compressed so that if now the cover is removed marked 3 the springs would exert a force that could be dangerous for the worker 7 5 Maintaining the brake feed dismantle the lining marked 10 following the guidelines given in point 5 3 of these instructions 7 6 Remove the pressure It is recommended to dismantle the lining marked 1...

Page 35: ...n the 10 bolts with their washers marked 20 21 which fasten the cover of the brake marked 3 After this remove the cover marked 3 and the spring guide marked 4 Lastly remove the package of springs marked 11 and the supplement marked 12 Optional depending on the brake model The process of handling the brake is hazardous for the operator doing it for which reason ANTEC warns of the danger and advises...

Page 36: ...ber 2012 www antecsa com Page 36 42 7 10 Remove the piston marked 2 by striking with a plastic mallet in the direction shown in the diagram RECOMMENDED TIGHTENING TORQUE FOR M12 SCREWS Quality 8 8 Nm Lubricated with MoS2 Not lubricated 59 85 Direction for striking with the plastic mallet Piston 20 21 3 4 11 12 Optional ...

Page 37: ... 2012 www antecsa com Page 37 42 7 11 Remove the damaged seals from their housings in the main body marked 1 7 12 Clean the housings in the body marked 1 well to remove any residue from the damaged seals 7 13 Place the new seals in the right place taking care to position them properly as shown in the diagram 16 33 34 13 15 ...

Page 38: ...e in reverse order starting from point 7 10 and including this one 7 17 Proceed with the procedure described in point 2 brake assembly procedure and in point 4 of the instructions adjustment of the brake When mounting the cover marked 3 clean it well and between it and the body marked 1 apply a seal of simple application liquid silicone type Threebond TB1215 or equivalent Take into account that th...

Page 39: ...r suggestions or requests which can be sent to the Sales Department at sales antecsa com ANTEC S A wishes to express its gratitude for the trust that you have placed in our product and we would like to invite you to visit out internet webpage to get to know our wide range of products Factory in Spain Aplicación Nuevas Tecnologías Antec S A Ramón y Cajal 74 48920 Portugalete Vizcaya Spain Tel 34 94...

Page 40: ...l only make changes to these instructions due to amendments to the assembly drawing when these amendments are significant The assembly drawing provided in the instructions is for guidance purposes only and to help the worker to understand these instructions The customer will receive the drawing relating to its order together with the documentation that the Antec Quality Department provides NOTE ...

Page 41: ...HYDRAULIC CALLIPER TYPE NHCD 1400 Instructions for assembly adjustment and maintenance T D S BC TDS 00025I Rev 0 September 2012 www antecsa com Page 41 42 ...

Page 42: ...HYDRAULIC CALLIPER TYPE NHCD 1400 Instructions for assembly adjustment and maintenance T D S BC TDS 00025I Rev 0 September 2012 www antecsa com Page 42 42 ...

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