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Airflex

DBBS Brake Assemblies

Installation, Operation and Maintenance Manual

DBB 8110

BC435263268970en-000101

Содержание Airflex DBBS

Страница 1: ...Airflex DBBS BrakeAssemblies Installation Operation and Maintenance Manual DBB 8110 BC435263268970en 000101...

Страница 2: ...o this information faulty Installation Operation or Maintenance may result in personal injury or equipment damage Caution Use Only Genuine Airflex Replacement Parts The Airflex Division of Danfoss Pow...

Страница 3: ...y System 08 3 0 OPERATION 09 3 1 Pressure and Speed Limits 09 3 2 Initial Operation 09 3 3 Periodic Inspection 11 4 0 MAINTENANCE 11 4 1 Wear Limits 11 4 2 Wear Adjustment 11 4 3 Friction Disc Replace...

Страница 4: ...Parameters 9 7 Wear Limits for DBBS Components 13 8 Wear Gap Values 14 9 Power Head Weights 14 Figure No FigureTitle Page No 1 DBBS Cross Section and Item Numbers 5 2 Proper vs Improper Alignment of...

Страница 5: ...ing Housing 17 Flat Washer 18 Locknut 19 Cylinder 20 Hex Head Screw 21 Inner Lip Seal 22 Spring Item Description ITEM DESCRIPTION 23 Outer Lip Seal 27 Spacer Tube 28 Gear 29 Wear Spacer 31 Reaction Pl...

Страница 6: ...diameter discs i e 125DBBS 225DBBS etc 1 1 4 This manual includes metric equivalents usually shown in parentheses following the U S measurement system value Be sure to use the correct value 1 2 How I...

Страница 7: ...r pressure is 150 psig 10 3 bar for the 50DBBS Application of pressure exceeding maximum allowable may result in damage to the brake 2 2 3 Apply a light coat of anti seizing compound to the shaft 2 2...

Страница 8: ...reamed after cutting to eliminate possible restrictions 2 3 2 2 Keep the number of elbows to a minimum to ensure consistent response 2 3 2 3 Spool type solenoid valves are not recommended Use poppet t...

Страница 9: ...til the friction couple wears in 3 2 1 2 The shaft on which the brake discs are mounted should be free to rotate to allow for run in On drawworks applications disconnect the wire rope from the drawwor...

Страница 10: ...isted in Table 6 should provide a dynamic torque target value as listed and resultant power target at the brake speed listed Since new friction torque will be lower at the start of wear in procedure p...

Страница 11: ...remove the brass drain plug 105 and purge condensation from the cylinder Replace the brass drain plug with sealant and check for air leaks 4 0 Maintenance Warning Prior to performing any maintenance o...

Страница 12: ...spacers and adjustment can be conducted without full disassembly Check the date code on your brake to verify the date of manufacture 4 2 2 Wear Adjustment with Solid Wear Spacers Note A Procedures for...

Страница 13: ...ylinder wall Original free height shown on the Maximum free height shown table below Springs must be 22 34 52 Spring Spring Free Height on the table below replaced on complete sets Backlash is measure...

Страница 14: ...nting flange TABLE 8 Wear Gap Values Inches mm X Gap Gap Y Gap X Gap Required for Y Gap gap required for Disc Size Qty of New Gap Adjustment New Gap Adjustment Inches Discs inch mm inch mm inch mm inc...

Страница 15: ...Airflex DBB 8110 Brake Assembly E CLCL TT001 E December 2012 15 Figure 6 Figure 9 Figure 7 Figure 8 DBBS Brakes...

Страница 16: ...2 and slide the pressure plate cylinder assembly onto the clamp tubes 4 2 2 9 Lubricate the threads on the ends of the studs with 30 wt oil or anti seizing compound and install the locknuts 18 washers...

Страница 17: ...release springs is relieved allowing for access to the wear spacers It may be necessary to push the reaction plate s away from the mounting flange so that the release springs can be moved to gain acc...

Страница 18: ...d happen to come loose remove it completely and clean the threads on the stud and the threads in the mounting flange Apply Loctite Primer Grade T to the stud Threads After the threads have dried assem...

Страница 19: ...ed on the same stud over the clamp tubes Improper assembly will result in cocking of the reaction plate and uneven brake release Refer to section 4 2 and 6 1 for wear spacer quantity 4 3 13 Lubricate...

Страница 20: ...ake components 4 5 1 4 Loosen the screws 20 gradually ONE TURN AT A TIME following a crosswise pattern until the remaining spring force is relieved Remove the screws and washers 17 4 5 1 5 Carefully l...

Страница 21: ...prevent shaft rotation prior to releasing removing or performing maintenance on the DBBS brake assembly 4 5 2 1 Disconnect the air supply lines from the brake 4 5 2 2 Remove the fasteners that secure...

Страница 22: ...onents 4 5 2 14 Position the spacer tubes 2 7 in line with the bolt holes of the cylinder and install the hex head screws 20 and lock washers 17 Tighten the screws in a crosswise pattern ONE TURN AT A...

Страница 23: ...58 Disc 513328 1 513328 2 513328 3 513326 4 105 Brass Pipe Plug 0000 77 x 0021 1 0000 77 x 0021 1 0000 77 x 0021 1 0000 77 x 0021 1 DBBS Brakes 125DBBS 225DBBS 325DBBS 425DBBS Item Description 146320A...

Страница 24: ...513395 1 513395 2 513395 3 513395 4 105 Brass Pipe Plug 0000 77 x 0021 1 0000 77 x 0021 1 0000 77 x 0021 1 0000 77 x 0021 1 150DBBS 250DBBS 350DBBS 450DBBS Item Description 146524A 146525A 146526A 146...

Страница 25: ...000153x1016 4 000294x0405 144 308155 04 48 513326 8 000110x0030 12 204066 1 125 107748B 000153x1016 1 000294x0405 48 N A 0 51330 7 2 000110x00 73 12 204066 1 225 107748BA 000153x1016 2 000294x0405 96...

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Страница 27: ...Solutions US Company 2800 East 13th Street Ames IA 50010 USA Phone 1 515 239 6000 Danfoss Power Solutions Trading Shanghai Co Ltd Building 22 No 1000 Jin Hai Rd Jin Qiao Pudong New District Shanghai C...