Related Manuals for BENDIX SB-6-SB-7 AIR DISC BRAKE
Summary of Contents for BENDIX SB-6-SB-7 AIR DISC BRAKE
- Page 1 ® AIR DISC BRAKE (SB-6™ and SB-7™) SUPPLY PORT ACTUATOR ROD LEVER RETURN SPRINGS ECCENTRIC ACTUATING BEARING OUTER BRAKE PAD BEAM INNER BRAKE PAD ROTOR AXIAL RADIAL FIGURE 1 - BENDIX AIR DISC BRAKE...
-
Page 2: Table Of Contents
Index Page Exploded view of brake Axial Disc Brake Components Axial Disc Brake Repair Kits 1.2.1 Axial Disc Brake Wear Indicator Kits Radial Disc Brake Components Radial Disc Brake Repair Kits 1.4.1 Radial Disc Brake Wear Indicator Kits Brake Disc Rotor General information (for “Axial- and Radial Disc Brake”) Service Tools... - Page 3 Guide Pin Bushing replacement (for “Axial- and Radial Disc Brake”) Brass Bushing replacement Rubber Bushing replacement Caliper replacement (for “Axial- and Radial Disc Brake”) 10.1 Caliper removal 10.2 Caliper fitting 10.2.1 Caliper with Rubber Boot (10) 10.2.2 Caliper with Steel Cap (10a) Carrier replacement (for “Axial- and Radial Disc Brake”) Actuation cylinder replacement...
-
Page 4: Axial Disc Brake Components
1 Exploded views 1.1 Axial Disc Brake Components (for Wear Indicatators Kits see 1.2.1) 18/1 18/2 Assembly grease (coloured) Assembly grease (white) Caliper 18/2 Brake Chamber VF 00127/12-ÄiO1 Carrier Spring Clip Sleeve Outer Boot Clip Sleeve O-Ring Rubber Bushing Adjuster Cap Brass Bushing Caliper Bolt Inner Boot... -
Page 5: Axial Disc Brake Repair Kits
Axial Disc Brake Repair Kits CAUTION Use only Genuine Bendix® parts The following Repair Kits are available Description Contents Association of Repair Kits to the Disc Brakes and Repair Kit’s Order no. Carrier Guide Kit 2, 4, 5, 31, 39, 40... -
Page 6: Radial Disc Brake Components
1.3 Radial Disc Brake Components (for Wear Indicator Kits see 1.4.1) Spring Clip Caliper Carrier Outer Boot Clip O-Ring Sleeve Adjuster Cap Sleeve Rubber Bushing Caliper Bolt Caliper Bolt Brass Bushing Inner Boot Pad Retainer Pin Outer Boot Washer Ring Steel Cap * ) possible variants by items 10a &... -
Page 7: Radial Disc Brake Repair Kits
Radial Disc Brake Repair Kits CAUTION: Use only Geniune Bendix parts The following Repair Kits are available Description Contents Association of Repair Kits to the Disc Brakes and Repair Kit’s Order no. Carrier Guide Kit 2, 4, 5, 31, 39, 40... -
Page 8: Brake Disc Rotor
When replacing Rotors, please adhere to the recommended bolt tightening torques. The use of non-approved Brake Rotors will reduce levels of safety and invalidate warranty. Brake Rotors can be ordered through any authorized Bendix parts outlet. More information can be found on the internet at www.Bendix.com... -
Page 9: General Information
General Information (for “Axial- and Radial Disc Brake”) 2.1 Service Tools Part Number Description ll 19252 Press-In Tool for Tappet and Boot (13) ll 19253 Pull-In Tool for Inner Boot (9) ll 19254 Pull-In/Out Tool for Brass Bushing (7) II 32202 Wedged Fork for removal of Tappet and Boot (13) II 36797 Grooving Tool for Brass Bushing (7) -
Page 10: Description And Function
Description and function Axial Disc Brake Sectioned View 31a*) 7 40 10a*) Caliper Carrier Sleeve Sleeve Rubber Bushing Brass Bushing Inner Boot Outer Boot 10a Steelcap Pad Retainer 13 22 4 Tappet with Boot 18/1 Threaded Tube Bridge 18/2 18/1 Spring Brake 18/2 Brake Chamber Lever Eccentric Bearing... -
Page 11: Description Of Operation
3.2 Description of operation (Floating Caliper principle) 3.2.1 Brake actuation During actuation, the Push Rod of the Actuator (18/1 or 18/2) moves the Lever (19). The input forces are transferred via the Eccentric Bearing (20) to the Bridge (17). The force is then distributed by the Bridge (17) and the two Threaded Tubes (16) to the Tappets (13) and finally to the inboard Pad (12). -
Page 12: Radial Disc Brake Sectioned View
Radial Disc Brake Sectioned View 31a*) 10a*) Caliper Carrier Sleeve Sleeve Rubber Bushing Brass Bushing VF 00113/3-Äi01 13 39 4 6 Inner Boot Outer Boot 10a Steelcap Pad Retainer Tappet with Boot Threaded Tube Bridge 18/1 Spring Brake 18/2 Brake Chamber Lever Eccentric Bearing Inner Seal Cap... -
Page 13: Description Of Operation
18/2) moves the Lever (19). The input forces are transferred via the Eccentric Bearing (20) to the Use only Genuine Bendix parts. Bridge (17). The force is then distributed by the Bridge (17) and the two Threaded Tubes (16) to the WARNING! Tappets (13) and finally to the inboard Pad (12). -
Page 14: Brake Testing
Brake Testing (for Axial- and Radial Disc Brake) 5.1 Fault finding procedure Air Disc Brake Lift vehicle, turn wheel by hand Does wheel turn smoothly? Residual Running pressure clearance ok? within the (see section 5.2) braking cylinder? Brake pad wear Check and if Check adjuster Running... -
Page 15: Adjuster Check
5.2 Adjuster check WARNING! Before starting repair work, block the wheels to ensure that the vehicle cannot roll away, before releasing the park brake. 23 37 See Page 36 for full Safety Guidelines. Remove wheel. The caliper assemply should be pushed inboard on its guide pins. -
Page 16: Wear Limits Of Brake Pads And Rotor
5.3 Wear Limits of Pads and Rotors CAUTION! Stay within the Rotor and Pad Wear Limits Pads The thickness of the Pads must be checked regularly dependent on the usage of the vehicle. The Pads should be checked to adhere to any applicable legal requirements that may apply. - Page 17 At each change of Pads check the Rotors for grooves and cracks. The diagram at the right shows possible conditions of the surface. max. 0.75 x a = Small cracks spread over the surface max. 1.5 mm are allowed = Cracks less than 0.06in. (1.5mm) deep or wide, running in a Radial direction, are allowed = Grooves (circumferencial) less than 0.06in.
-
Page 18: Brake Wear Check Using Guide Pin (For Calipers With Standard Guide Pins)
5.3.1 Brake Wear Check using Guide Pin (For all Axial and Radial Disc Brakes except those listed in Section 5.3.2 - These Callipers do not have the rib in position B (see also Section 5.3.2) M+P-KN-005 Pad conditions can be visually inspected without B = without rib (see also Section 5.3.2) removing the road wheel by noting the positon C = pin protrusion - shown in new condition... -
Page 19: Brake Wear Check Using Guide Pin (For Calipers With Long Guide Pins)
5.3.2 Brake Wear Check using Guide Pin (Only for Axial Disc Brakes SB 7541, SB 7551 to SB 7629, SB 7639 and Radial Disc Brakes SB 7102, SB 7112, SB 7103, SB 7113, SB 7104, SB 7114, SB 7105, SB 7115, SB 7108, SB7118, SB 7109, SB 7119, SB 7120, SB 7130 - These Callipers do have the rib in position B (see also Section 5.3.1) M+P-KN-006 Pad conditions can be visually inspected without... -
Page 20: Wear Indicators
5.3.3 Wear Indicators There are two types of Pad Wear Indicators available to accommodate the differences in vehicle types and manufacturers, including: In - Pad Normally Closed Indicator - Circuit is broken when Pad Wear reaches the limit. In - Pad Normally Open Indicator - Circuit is made when Pad Wear reaches the limit. -
Page 21: Diagnostic-Equipment - Hand Held Device Zb9031
5.4 Bendix Diagnostic Equipment The Bendix Diagnostic Unit ZB 9031 is a hand held device suitable for vehicles that are fitted with Bendix Air Disc Brakes using a continuous signal type of Wear Potentiometer. The wear condition of each brake can be measured by connecting the device to a suitable 13 pin socket (DIN 72570) where fitted. -
Page 22: Pad Replacement
6 Pad replacement (for “Axial- and Radial Disc Brake”) WARNING! Before starting repair work, block the wheels to ensure that the vehicle cannot roll away, before releasing the park brake. See Page 36 for full Safety Guidelines. 6.1 Pad removal Take the wheel off (refer to Vehicle Manufacturer’s recommendations). -
Page 23: Caliper Floatation Check
6.1.2 Caliper guidance check 31a*) Following Pad removal (Section 6.1) Using hand pressure only (no tools), the Caliper (1) must slide freely over the whole length of the Guide Pin arrangement > 1.2in. (30mm). 10a*) During this operation the Sleeve (5) is sealed by the 9 5 7 Boot (9) and Cap (10) or Steel Cap (10a) and O-Ring (31a). -
Page 24: Tappet With Boot Replacement
The hub should turn easily by hand after having applied and released the brake. The Cap (37) must then be replaced after it has been lightly greased it with Renolit HLT2 (available as part number II14525). After setting the Pad Retainer (11) into the groove of the Caliper (1), it must be pushed in to allow the insertion of the Pad Retainer Pin (44). -
Page 25: Adjuster Thread Inspection
The Tappets (13) can be removed from the Threaded Tubes by using Wedge Fork A. (Order No. II32202). Remove the old Tappet Bush (116). Check Inner Seal (arrow) and if damaged, replace the Caliper. 7.1.1 Adjuster thread inspection Place an new thickness Pad (12) into the outboard gap to avoid overrunning of the Threaded Tubes. - Page 26 Using Tool B in reverse direction, the Tappet can be pressed on. With Caliper not installed on axle Grease threads with RENOLIT HLT2 (Order No. II14525). M+P-KN-022 Screw back Threaded Tubes (16), by turning the Adjuster (23) counter-clockwise. Sealing seat in the caliper for Tappet with Boot (13) must be clean and free of grease.
-
Page 27: Caliper Suspension Sealing
8 Caliper Suspension sealing (Replacement of inner Boot (9) ) (for the Axial and Radial Disc Brake) Remove Caliper (see Section 10.1) Remove Ring (58) Pull out Sleeve (5) Push out Boot (9) with screw driver. Inspect and clean contact area of Boot (9) M+P-KN-025 Put new Boot (9) into the Cup (arrow) of the Tool C (Order No II19253). -
Page 28: Guide Pin Bushing Replacement
9 Guide Pin Bushing replacement (for “Axial- and Radial Disc Brake”) Remove Caliper (see Section 10.1) Remove Sleeve (5) and inner Boot (9) (see Section 8). 9.1 Brass Bushing (7) replacement Remove old Sleeve (5). Pull out Bushing (7) with Tool (D) (Order No. II19254). VF 00127/16 If Caliper has no groove (see arrow) (Note: Groove is always located on the... - Page 29 Deform new Rubber Bushing (6) and push from the inner side of the Caliper into the bore. Push Rubber Bushing (6) so that the outer positioning ring locates in the groove (see arrows). IMPORTANT! Never use the white Grease (containing mineral oil) for lubricating the Bushing or Sleeve.
-
Page 30: Caliper Fitting
Never insert your fingers between the Caliper and Carrier! Remove Caliper from Carrier. IMPORTANT! Opening or dismantling the Caliper is not permitted. Use only Genuine Bendix service Exchange Calipers. Disassembly FD00114 of the Caliper will void any Warranty Claim. 10.2 Caliper fitting Check the Part No. -
Page 31: Caliper With Steel Cap (10A)
Tighten Rubber Boot Clip (31) Fit the Pads (see Section 6.2) Attach the Brake Chamber or Spring Brake (see Section 12.2 or 12.4) M+P-KN-042 10.2.2 Caliper with Steelcap (10a) IMPORTANT! Replace the Rubber Boot (10) by the Steel Cap (10a) when replacing the Sleeve (5), the O-Ring (31a) and the Screw (40) at the same time. -
Page 32: Carrier Replacement
(for Axial- and Radial Disc Brake) Remove Caliper (see Section 10.1). Remove Carrier (2) from axle. Clean axle contact area. Bolts are not supplied by Bendix. Attach the new Carrier with new bolts from the truck manufacturer. Attach the Caliper (see Section 10.2) M+P-KN-036... -
Page 33: Brake Chamber Fitting
Grease RENOLIT HLT2 (Order no II14525). The surface area of the flange must be clean. IMPORTANT! Do not use Grease containing molyb- denum disulphate. Use only Bendix Actuators recommended by the Vehicle Manufacturer. M+P-KN-034-Äi01 Attach Actuator with new Nuts... -
Page 34: Spring Brake Removal
The surface area of the flange must be clean. M+P-KN-034-Äi01 IMPORTANT! Do not use grease containing molybdenum disulphate. Use only Bendix Actuators recommended by the Vehicle Manufacturer. IMPORTANT! On Radial Disc Brakes the Drain Plugs in the bottom of the Cylinder Flange must be open. -
Page 35: Service Video
13.3 Diagnostic Equipment For vehicles fitted with continuous potentiometer type wear sensors, Bendix Diagnostic Equipment may be used to ensure quick and simple measurement of wear at each caliper. See sections 5.4 and 5.5. -
Page 36: General Safety Guidelines
For more information visit: www.Bendix.com BW2000 ©2002 Bendix Commercial Vehicle Systems LLC. All rights reserved. Printed in USA.