Danfoss Airflex DBBS Installation, Operation And Maintenance Manual Download

Page: 25 / 27

Airflex

DBB 8110 Brake Assembly

E-CLCL-TT001-E December 2012

6.2

DBBS Cylinder Seal Kits

6.3

DBBS Friction Disc Kits

Parts included in Kit

Seal Lubricant

Inner Lip Seal (21)

Outer Lip Seal (23)

Instruction Sheet

Model

Kit P/N

Part No. (qty)

20DBBS

107726C

000153 x 1239 (1)

000402x0021 (2)

000402x0022 (2)

20406 7 (1)

25DBBS

107727C

000153 x 1239 (1)

000402x0023 (2)

000402x0024 (2)

20406 7 (1)

38DBBS

107662C

000153 x 1239 (1)

000402x0005 (2)

000402x0006 (2)

20406 7 (1)

50DBBS

108055C

000153 x 1239 (1)

000402x0042 (2)

000402x0044 (2)

20406 7 (1)

Model Kit P/N

Loctite Sealant

Qty Flat Head Screw

Qty Wear Spacer

Qty

Friction Disc

Qty Locknut

Qty Instruction Sheet

Qty

120

107747B

000153x1016 1

000294x0405

N/A

513326

000110x0030 12

204066

220

107747BA 000153x1016 2

000294x0405

308155-02

513326

000110x0030 12

204066

320

107747BB 000153x1016 3

000294x0405

108 308155-02

513326

000110x0030 12

204066

420

107747BC 000153x1016 4

000294x0405

144 308155-04

513326

000110x0030 12

204066

125

107748B

000153x1016 1

000294x0405

N/A

51330 7

000110x00 73 12

204066

225

107748BA 000153x1016 2

000294x0405

3081 70-01

51330 7

000110x00 73 12

204066

325

107748BB 000153x1016 3

000294x0405

144 3081 70-01

51330 7

000110x00 73 12

204066

425

107748BC 000153x1016 4

000294x0405

192 3081 70-01

51330 7

000110x00 73 12

204066

138

107749B

000153x1016 2

000294x0405

N/A

513396

000110x00 75 16

204066

238

107749BA 000153x1016 4

000294x0405

144 308150-05

513396

000110x00 75 16

204066

338

107749BB 000153x1168 2

000294x0405

216 308150-05

513396

000110x00 75 16

204066

438

107749BC 000153x1168 2

000294x0405

288 308150-05

513396

000110x00 75 16

204066

150

108155B

000153x1016 3

000294x0405

N/A

416691

18 000110x00 75 16

204066

250

108155BA 000153x1168 1

000294x0405

180 308546

416691

36 000110x00 75 16

204066

350

108155BB 000153x1168 2

000294x0405

270 308546

416691

54 000110x00 75 16

204066

450

108155BC 000153x1168 2

000294x0405

360 308546

416691

72 000110x00 75 16

204066

DBBS Brakes

Summary of Contents for Airflex DBBS

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 26: ......

Page 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...

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