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KOBELT MANUFACTURING CO. LTD               MNL-5027-A.docx (rev B)                     

 

 

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Summary of Contents for 5027-A

Page 1: ...KOBELT MANUFACTURING CO LTD MNL 5027 A docx rev B 1 5027 A DISK BRAKE AIR APPLIED VERSION Owner s Operation Installation Maintenance Manual...

Page 2: ...2 Brake Discs 8 2 3 Caliper brakes 10 2 3 1 Mechanical 10 2 3 2 Piping 10 3 Commissioning 12 3 1 Air Gap 12 3 2 Function Test 12 3 3 Burnishing 12 3 4 Torque Test 13 4 Operation 14 4 1 Functional Requ...

Page 3: ...MANUFACTURING CO LTD MNL 5027 A docx rev B 3 5 3 2 Stroke Adjustment 17 5 3 3 Brake Linings 18 5 4 Recommended Spares 20 6 Warranty 21 7 Appendix A Technical Drawings 22 8 Appendix B Parts List Drawi...

Page 4: ...instructions concerning a service or operation that may be hazardous if performed incorrectly or carelessly The associated risk levels are stated below This symbol indicates an imminently hazardous s...

Page 5: ...cations in this manual If these guidelines are not followed and damage occurs the warranty will be voided 1 2 3 Hazards Equipment Starts Automatically Brake systems frequently are controlled remotely...

Page 6: ...brake with all the major components identified All of the Kobelt caliper brakes can be fitted with either air applied hydraulic applied spring applied with air released or spring applied with hydraul...

Page 7: ...reference only They are based on properly bedded and burnished linings acting on a rotor at 20o C and manufactured to required specifications Technical data and specifications are also available from...

Page 8: ...e seals Remove the plugs prior to connection to the piping Brake discs are shipped with a light rust inhibitor applied to the surfaces Remove the rust inhibitor using solvent and a cloth prior to inst...

Page 9: ...1016 0 043 1 1 0 056 1 4 0 069 1 8 0 082 2 1 45 1143 0 049 1 2 0 063 1 5 0 078 2 0 0 092 2 3 To reduce the size of the mounting bolt clearance hole it is recommended to offset the bolt circle on the...

Page 10: ...from step 6 Use ANSI shims that straddle the mounting bolts 8 Insert the mounting bolts from underneath the pedestal using appropriate flat washers The nut must be on top of the brake foot The mountin...

Page 11: ...inger tight Use brass pipe fittings for making the connection as steel fittings are too heavy and may split the port Do not over tighten the fitting in the actuator port as damage to the actuator may...

Page 12: ...nsure that the brakes are operational 3 3 BURNISHING Burnishing is required in order to achieve rated brake torque The process of burnishing removes minor contaminants from the rubbing surfaces and im...

Page 13: ...burnish one brake at a time Three important points to consider when burnishing are i The temperature of the disc must be closely monitored Excessive heat will damage the friction linings ii The durati...

Page 14: ...alcohol to prevent freezing of the air system 4 2 SERVICE LIMITS 4 2 1 Disc Temperature The Kobelt brake lining achieves maximum friction at 300o F Over 300o F the brake begins to fade or experience d...

Page 15: ...greater than the values listed in the table below the discs must be balanced Under no circumstances must the running speed exceed the value given in the right hand column Table 4 Maximum Disc Speeds...

Page 16: ...mption When the running clearance has reached 0 04 1 mm the brake must be adjusted back to 0 01 0 25 mm per shoe Refer to section 5 3 2 For pressure applied brakes maintain the proper running clearanc...

Page 17: ...llowances in the table below as a guideline for when a disc must be replaced Table 5 Brake Disc Minimum Thickness Allowances Brake Disc Minimum Thickness Disc Series Original Thickness in mm Minimum T...

Page 18: ...inward to allow for the extra thickness of a new lining 5 3 3 Brake Linings The linings must be replaced before the rivets make contact with the disc Remove worn linings from the shoe by drilling out...

Page 19: ...1 Loosen screws B 2 Apply brakes onto the disc 3 Ensure link A has no tension on it Adjust if necessary 4 Tighten screws B When reinstalling the shoes and pivot blocks reinstall the shoe pin first to...

Page 20: ...rformed by a factory authorized service representative Please contact the nearest Kobelt authorized distributor for assistance The table below itemizes which kit spare part numbers change with the var...

Page 21: ...cant Applicant must immediately contact Kobelt and describe the issue in writing by letter fax email or other electronic conveyance Kobelt will then assess the cause of the defect and determine warran...

Page 22: ...KOBELT MANUFACTURING CO LTD MNL 5027 A docx rev B 22 7 APPENDIX A TECHNICAL DRAWINGS...

Page 23: ...KOBELT MANUFACTURING CO LTD MNL 5027 A docx rev B 23...

Page 24: ...KOBELT MANUFACTURING CO LTD MNL 5027 A docx rev B 24 8 APPENDIX B PARTS LIST DRAWINGS 5027 A...

Page 25: ...0011 BALANCING LINK NO 1 5024 CALIPER 1 12 5 5027 0023 TIE ROD 5026 5027 CALIPER 1 13 5 1022 0117 NUT HEX 3 4 10 UNC Gr 18 8 1 14 2 5027 0022 SADDLE PIN 5027 CALIPER 1 15 4 1039 0470 PIN HAIRPIN COTT...

Page 26: ...KOBELT MANUFACTURING CO LTD MNL 5027 A docx rev B 26 5027 AW...

Page 27: ...NCING LINK NO 1 5024 CALIPER 1 11 5 5027 0023 TIE ROD 5026 5027 CALIPER 1 12 10 1022 0117 NUT HEX 3 4 10 UNC Gr 18 8 1 13 2 5027 0022 SADDLE PIN 5027 CALIPER 1 14 3 1039 0470 PIN HAIRPIN COTTER 1 4 X...

Page 28: ...KOBELT MANUFACTURING CO LTD MNL 5027 A docx rev B 28 6130 Actuator...

Page 29: ...v B 29 5027 LS ITEM QTY PART NUMBER DESCRIPTION 1 1 5027 0005 SHOE 5027 CALIPER 2 1 5027 0007 LINING 5 8 K5 5027 BRAKE CALIPER 3 29 1033 1007 RIVET 1 4 X 7 16 10 7 BRASS Heiko Epkens Digitally signed...

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