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KTR-STOP

®

 S-A-F B-xx 

Operating/Assembly instructions 

KTR-N 
Sheet: 
Edition: 

44591 EN 
18 of 24 

 

Please observe protection 

note ISO 16016. 

Drawn: 

2019-08-13 Pz/Mro 

Replacing: 

KTR-N dated 2018-12-04 

Verified: 

2019-08-13 Pz 

Replaced by: 

 

 

 

 
In respect of environmental protection we would ask you to dispose of the products on termination of their service 
life in accordance with the legal regulations and standards that apply, respectively. 
 

 

Metal or brake pads, respectively 

Brake pads and any other metal parts have to be cleaned and disposed of by scrap metal. 

 

Gaskets

 

Gaskets can be disposed of by residual waste. 

 

Sensors

 

Electrical components have to be treated as electrical waste. 

 

Hydraulic oil

 

Hydraulic oils have to be collected in suitable tanks and disposed of by a waste disposal company. 

 
 

 

 

 

Brake pads having a balance of pad height of less than 2 mm have to be replaced by return. 

 

 

STOP 

 

Parts released or falling down may cause injury to persons or damage on the machine. 
Secure the components before disassembly. 

 

 

 

Never keep your fingers between brake disk and brake when locking the brake in order to 
prevent serious injuries of your hands. Before every maintenance operation please make 
sure that the brake is fully secured against activating. 

  Disassemble the pad holders on one side (component 1.14 and 1.15). 

  Remove the pad retracting sets (component 6 and 8). 

  Replace the brake pads that have worn off. Insert the brake pads (component 7) fully into the brake caliper or 

the distance plate, respectively. 

  Applying for the movable side only: 

Push back the brake pad and brake piston manually. 

 

 

 

Please make sure that at least one screw plug (component 1.6) is removed when moving 
back the brake piston. Afterwards re-assemble the screw plug. 

  Hand-tighten the pad holders (component 1.14 and 1.15) by each 2-off cap screws (component 1.11) for the 

time being. Tighten the screws at the tightening torque T

A

 = 302 Nm. 

 

 

Please make sure that the pad holders of the housing have various heights. 

 

  Mount the pad retraction set on the movable side (component 8) by shifting the pressure spring (component 

8.2) onto the pin (component 8.1). Screw the pin with the pressure spring into the brake pad against a stop. 

  Repeat this process with the pad retraction set on the fixed side of caliper (component 6). 

 
 
 
 

Assembly 

4.12  Disposal 

Maintenance 

5.1  Replacement of brake pads 

Summary of Contents for KTR-STOP S-A-F B Series

Page 1: ...6 Drawn 2019 08 13 Pz Mro Replacing KTR N dated 2018 12 04 Verified 2019 08 13 Pz Replaced by KTR STOP S A F B xx S A F B xx is a brake actuated hydraulically in a floating caliper design serving to g...

Page 2: ...nsport and packaging 6 3 1 Storage 6 3 2 Transport and packaging 6 4 Assembly 7 4 1 Components of the brake 7 4 2 Preparation of assembly 10 4 3 Brake pads 11 4 4 Assembly of the brake 11 4 5 Setting...

Page 3: ...4 2 Volume for each brake caliper with 1 mm stroke cm3 4 2 Max operating pressure bar 125 Width of brake disk mm 20 40 Pressure port G 1 4 Oil bleed G 1 8 Floating range on axles towards mounting surf...

Page 4: ...N dated 2018 12 04 Verified 2019 08 13 Pz Replaced by Calculation of brake disk Illustration 3 Assembly of brake Table 2 Calculation of brake disk up to DA 1000 mm from DA 1000 mm to DA 1800 mm from D...

Page 5: ...e the following safety indications All operations on and with the brake have to be performed taking into account safety first Make sure to switch off the power pack before you perform your work on the...

Page 6: ...be activated over the full braking distance in order to prevent the gaskets from sticking together The storage rooms must not include any ozone generating devices like e g fluorescent light sources m...

Page 7: ...nent comp onent assembly Quantity Description 1 1 Caliper with components 2 1 Distance plate 3 1 Base plate with guide pin 4 2 Centering system outside 5 1 Centering system inside 6 2 Pad retraction...

Page 8: ...with components 1 1 1 Brake caliper incl piston cover 1 2 4 DU bushing 1 3 2 Pad retainer 1 4 2 Pad retainer 1 5 8 Cap screw DIN EN ISO 4762 10 9 1 6 4 Screw plug VSTI acc to DIN 908 1 7 1 Drain plug...

Page 9: ...ystem outside 4 1 1 Cap screw DIN EN ISO 4762 10 9 4 2 1 Pressure spring 4 3 1 Hexagon nut DIN EN ISO 4032 4 4 1 Drain plug Subassembly 5 Centering system inside Compo nent Quantity Description Illust...

Page 10: ...brake as well as the brake disk have to be inspected for dimensional accuracy For that purpose investigate the connection dimensions connection surfaces and tolerances as specified in the drawing see...

Page 11: ...bolt is to be dismounted after assembly of the brake and stored in a safe place In order to avoid any damages on the brake never twist a rope or another lifting tool around damageable components Befo...

Page 12: ...rews and tighten them evenly gradually at the tightening torque specified see table 3 Table 3 Tightening torques Screw size Tightening torque TA Nm 10 9 12 9 Untreated and oiled Greased with MoS2 Untr...

Page 13: ...o be regularly reset with wear of the brake pads For that pur pose repeat the complete chapter Setting resetting of the centering system Measure the gap between the brake disk and the brake pad on the...

Page 14: ...ng the brake For a wash up system please make use of the pressure port on top It is not recommended to use steel plugs for venting Connect the drain line to the brake see illustration 14 and 15 For th...

Page 15: ...operation of the brake is no longer ensured Illustration 16 Pressure port of several brakes in parallel Illustration 17 Pressure port of several brakes in a series The pressure port on top serves for...

Page 16: ...ns of DIN 51524 KTR recommends those fluids corresponding to DIN 51524 3 KTR recommends the following fluids other manufacturers may be selected Manufacturer Standard Special Mineral oil 20 C to 40 C...

Page 17: ...uids or fluids of various manufac turers Please contact the manufacturer of mineral oils if you intend to replace the hydraulic fluid Please make sure that the entire brake hydraulic system is depress...

Page 18: ...ocking the brake in order to prevent serious injuries of your hands Before every maintenance operation please make sure that the brake is fully secured against activating Disassemble the pad holders o...

Page 19: ...chapter 4 4 Assembly of the brake Before you reactivate the brake please observe chapter 4 8 Start up of the brake To ensure the full braking power both disassembly and assembly have to be performed a...

Page 20: ...eaned by means of solvents Afterwards dry the components Please observe the manufacturer s instruc tions regarding the use of solvents Illustration 19 Caliper with single parts Inspect the DU bushes c...

Page 21: ...r ground or polished Such kind of damages may cause earlier wear on the gaskets and scrapers and generate leakages Insert the brake piston component 1 8 into the caliper and press it against a stop De...

Page 22: ...component 3 1 The screw depth in the base plate must be 20 mm only valid with a thickness of brake disk of 20 mm screwing depth must be 30 mm Seal the bores via the sealing plugs component 4 4 and 5...

Page 23: ...brake is activated locked If the brake is not activated unlocked a statement about the condition of wear cannot be given The wear of the brake pad is only measured if the brake is activated If the br...

Page 24: ...Replaced by Remove the screw plug component 1 20 from the setting nut component 1 7 Screw the sensor component 9 hand tight into the brake for the time being see illustration 26 Tighten the sensor at...

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