Original instructions HYDRAULIC BREAKER 7/13 Parts Manual PML20BSENG.713 Serial No. BT20A0005-UP L20
TABLE OF CONTENTS 1. Housing unit BOX............................................................... 4 2. Impact unit..................................................................... 6 3. Impact unit, continued............................................................. 8 4. Seal set....................................................................... 10 5. Service kit..................................................................... 12 6. Service kit 2................................................................... 13 GENUINE BRETEC SPARE PARTS Bretec genuine spare parts are designed and manufactured by using the latest technological knowledge and engineering skills. Bretec spare parts are made of the best available materials with the most advanced manufacturing techniques. It is important that you use only genuine Bretec spare parts, to ensure easy operation, maintenance and repair of the product. Please note that eventual warranty claims will be handled only if you have used genuine Bretec parts in your Bretec product. SPARE PART ORDERS Quick spare part deliveries are secured by exact orders. Required information: Name of customer and contact person Order number (when available) Delivery address Mode of delivery (air mail etc.) Required delivery date Invoicing address Model and serial number of the product Name, number and required amount of spare parts LOCATION OF THE SERIAL NUMBER It s important to make correct reference to the serial number of the product when ordering spare parts. Identification of serial number is the only proper means of maintaining and identifying parts for a specific product. The location of equipment serial number is pointed in Operation and mantenance manual.
L20 Parts 1. Parts 3
Parts L20 1. HOUSING UNIT BOX 101 6 3 6 4 2 1 5 17 18 11 22 16 23 21 20 19 8 14 102 21 7 20 13 12 25 102 13 24 11 15 5 26 20 21 19 20 27 9 10 12 13 BA060002 1 Housing (incl. parts 101-102) 171572 1 2 Pad 166858 1 3 Buffer 166857 1 4 Wear plate 166860 4 5 Wear plate 166859 6 6 Wear plate 166861 5 7 Shield plate 167054 1 8 Hose guide 167056 2 9 Cover 167055 1 10 Rubber plug 167057 2 11 Rubber plug 167042 2 4
L20 Parts 12 Rubber plug 167101 2 13 Rubber plug 167063 4 14 Rubber plug 167062 2 15 Hex. screw 953620 M42x3x400-10.9 ISo 4014 1 16 Nut 953621 M42x3-10 DIN 1587 1 17 Spring washer 953609 A42 DIN 127 1 18 Washer 166894 1 19 Hex. socket screw 901902 M12x45-8.8 ISO 4762 10 20 Spring washer 91018 A12 DIN 127 18 21 Hex. socket screw 900046 M12x35-8.8 ISO 4762 8 22 Hex. screw 90589 M24x110-12.9 ISo 4014 12 23 Washer 90511 25 ISO 7416 12 24 Lock nut 90507 M24-12 DIN 985 12 25 Lifting eye 90705 M30 DIN 580 1 26 Hex. screw 900026 M30x40-8.8 ISO 4017 1 27 Washer 903211 12-140 HV ISO 7089 10 101 Spacer 167058 1 102 Cover 167061 2 201 Label set (incl. part 202) 171542 1 202 Safety label set 169400 english 1 5
Parts L20 2. IMPACT UNIT 1.1 Lower tool bushing 166889 Housing model 1 1.2 Lower tool bushing 167105 Side plates model 1 2 Upper tool bushing 166886 1 3 Front head 166852 1 4 Plug 93125 1 5 Grease nipple 90200 1 6 Tool retaining pin 166887 2 6
L20 Parts 7 Retaining pin 166888 3 8 Rubber plug 166957 * 3 9 Retaining pin 166890 2 10 Rubber plug 166975 * 2 11 Retaining ring 903350 30x1.2 DIN 472 2 12 Parallel pin 166979 2 13 Wiper 953586 * 1 14 Seal 953587 * 1 15 Seal 953588 * 1 16 Cylinder (incl. parts 16.1-16.2) 166775 1 16.1 Socket plug 953635 R1/4 4 16.2 O-ring 953568 * 4 17 O-ring 953584 * 5 18 Bushing 166883 * 2 19 Plug 166884 * 1 20 Main valve (incl. parts 20.1-20.19) 166804 1 20.1 Valve body 166798 1 20.2 Flange plug 90403 R1/4 1 20.3 Bushing 166799 1 20.4 Sleeve 166800 1 20.5 Cover 166802 1 20.6 Supporting ring 953579 * 1 20.7 O-ring 953578 * 1 20.8 Screw 953576 M24x2x55-8.8 ISO 8676 2 20.9 Lock washer 91038 M24 NORD-LOCK 2 20.10 Flange plug 166801 R1/4 1 20.11 O-ring 953584 * 1 20.12 Spool 168053 1 20.13 Nut 953227 M24x1.5 ISO 4032 1 20.14 O-ring 953573 * 1 20.15 Supporting ring 953577 * 1 20.16 O-ring 953580 * 2 20.17 O-ring 953581 * 2 20.18 O-ring 953582 * 2 20.19 Supporting ring 953583 * 1 21 Hex. socket screw 91064 M20x60-8.8 ISO 4762 8 22 Lock washer 91010 M20 NORD-LOCK 8 *) Are included in seal set 7
Parts L20 3. IMPACT UNIT, CONTINUED 23 Adjusting valve (incl. parts 23.1-23.14) 167164 1 23.1 Spool 166891 1 23.2 Nut 953227 M24x1.5 ISO 4032 1 23.3 O-ring 953571 * 1 23.4 Supporting ring 953591 * 1 24 Breather (incl. parts 24.1-24.3) 167016 1 24.1 O-ring 953592 * 1 24.2 Spool 167018 1 24.3 Retaining ring 953371 12x1 DIN 472 1 25 Accumulator (incl. parts 25.1-25.19) 166897 1 25.1 Accumulator bottom 166898 1 8
L20 Parts 25.2 Accumulator cover 166905 1 25.3 Valve 166899 1 25.4 Valve 166990 1 25.5 Valve 166901 1 25.6 Screw 166902 1 25.7 Nut 166977 1 25.8 Pin 166903 1 25.9 Membrane 166904 1 25.10 O-ring 953574 * 1 25.11 Supporting ring 953575 * 1 25.12 Spool 166907 1 25.13 Nut 166908 M24x1.5 ISO 4032 1 25.14 O-ring 953573 * 1 25.15 O-ring 953572 * 1 25.16 Flange plug 166906 1 25.17 O-ring 953571 * 1 25.18 Hex. socket screw 953569 M18x1.5x50-8.8 ISO 4762 12 26 Hex. socket screw 953567 M24x60-8.8 ISO 4762 4 27 Lock washer 91038 M24 NORD-LOCK 4 28 Tie rod (incl.parts 28.1-28.3) K50B24 4 28.1 Tie rod 1 28.2 Nut 1 28.3 Tie rod nut 1 31 Washer 166894 4 32 Piston 166759 1 33 O-ring 953265 * 1 34 Seal 953590 * 1 35 Seal 953589 * 2 36 O-ring 953271 * 2 37 Supporting ring 94009 * 3 38 Seal carrier 166882 1 39 Back head 166856 1 40 Accumulator filling plug 167015 1 41 Flange 166797 2 42 O-ring 953634 * 2 43 O-ring 953580 * 2 44 Supporting ring 903340 * 2 45 Adapter 903282 2 46 Plug 953509 2 47 Hex. socket screw 953460 M14x1.5x40-12.9 DIN 912 8 *) Are included in seal set 9
Parts L20 4. SEAL SET Seal set 167293 953580 953265 903340 953590 94009 953271 953634 953584 166884 166883 953584 953589 94009 953271 166883 953584 953582 953580 953581 953572 953583 953573 953571 953573 953577 953579 953575 953574 166957 166975 953578 953592 953568 953584 166975 953568 953571 953591 953588 953587 166957 953586 This summary only indicates the position of the seals. It must NOT be used as assembly instruction. Read the manual. BA060005 10
L20 Parts Kit Seal set (incl. parts 1-30) 167293 1 1 Wiper 953586 1 2 Seal 953587 1 3 Seal 953588 1 4 O-ring 953568 4 5 O-ring 953584 6 6 Supporting ring 953579 1 7 O-ring 953578 1 8 O-ring 953573 2 9 Supporting ring 953577 * 1 10 O-ring 953580 4 11 O-ring 953581 2 12 O-ring 953582 2 13 Supporting ring 953583 1 14 O-ring 953571 2 15 Supporting ring 953591 1 16 O-ring 953592 1 17 O-ring 953574 1 18 Supporting ring 953575 * 1 19 O-ring 953572 1 20 O-ring 953265 1 21 Seal 953590 1 22 Seal 953589 2 23 O-ring 953271 2 24 Supporting ring 94009 3 25 O-ring 953634 2 26 Supporting ring 903340 2 27 Rubber plug 166957 3 28 Rubber plug 166975 2 29 Bushing 166883 2 30 Plug 166884 1 11
Parts L20 5. SERVICE KIT D060007 Kit Servicekit (incl. parts 1-4) K10B24 1 1 Lower tool bushing 166889 Housing model 1 2 Tool retaining pin 166887 2 3 Membrane 166904 1 4 Seal set 167293 1 12
L20 Parts 6. SERVICE KIT 2 D060007 Kit Servicekit (incl. parts 1-6) K20B24 1 1 Pad 166858 1 2 Buffer 166857 1 3 Wear plate 166860 4 4 Wear plate 166859 6 5 Wear plate 166861 5 6 Upper tool bushing 166886 1 13
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