Kobelt 5028-A Owner'S Operation, Installation & Maintenance Manual Download Page 21 | Manualshive

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KOBELT MANUFACTURING CO. LTD mnl5028-A.docx (rev A)

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ECHNICAL

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RAWINGS

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Summary of Contents for 5028-A

Page 1: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 1 5028 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 mnl5028 A docx rev A 3 5 3 2 Stroke Adjustment 17 5 3 3 Brake Linings 18 5 4 Recommended Spares 19 6 Warranty 20 7 Appendix A Technical Drawings 21 8 Appendix B Parts List Drawin...

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 si...

Page 5: ...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 and may act...

Page 6: ...caliper 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...

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: ...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 insta...

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 b...

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: ...eel 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 occur For spring applied air released caliper brakes it is recommen...

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: ...rate wood 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 ex...

Page 15: ...er 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 Part N...

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: ...c Series Original Thickness in mm Minimum Thickness in mm 4 10 5 XX 4 00 101 6 3 88 98 6 When re machining the disc surface equal amounts must be taken off of each face 1 When re machining the disc su...

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: ...lbs 50 2 Nm 5 4 RECOMMENDED SPARES The spare parts kept on hand will depend on the severity of the service As a minimum Kobelt recommends keeping the following parts for each brake in service 1 One Li...

Page 20: ...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 21: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 21 7 APPENDIX A TECHNICAL DRAWINGS...

Page 22: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 22...

Page 23: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 23 8 APPENDIX B PARTS LIST DRAWINGS 5028 A...

Page 24: ...6 0028 PIVOT PIN 5026 28 CALIPERS 1 11 4 1039 0470 HITCH PIN 1 4 X 4 1 4 STEEL 1 12 2 5028 0011 BALANCING LINK NO 2 5028 CALIPER 1 13 2 5028 0025 BALANCING LINK PIN 5028 CALIPER 1 14 8 1501 0301 GREAS...

Page 25: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 25 5028 SAW...

Page 26: ...1 2 5026 0028 PIVOT PIN 5026 28 CALIPERS 1 11 4 1039 0470 HITCH PIN 1 4 X 4 1 4 STEEL 1 12 2 5028 0011 BALANCING LINK NO 2 5028 CALIPER 1 13 2 5028 0025 BALANCING LINK PIN 5028 CALIPER 1 14 8 1501 030...

Page 27: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 27 6130 Actuator...

Page 28: ...KOBELT MANUFACTURING CO LTD mnl5028 A docx rev A 28 5028 LS Heiko Epkens Digitally signed by Heiko Epkens Date 2020 05 01 16 24 55 07 00...

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