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Spare parts listHydraulic breakers
Valid from serial number
DEQ120960MB 750 E
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
MB 750 E
ContentsGeneral information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Spare parts list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Hydraulic breaker. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6Percussion unit part 1: cylinder cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Percussion unit part 2: cylinder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Percussion unit part 3: lower breaker part. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Optional parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Tightening torques. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Working tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16MB 750. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Hydraulic hoses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Optional equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Kits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Label kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Seal kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Plastic parts kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Tensioning bolt kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Lower breaker part kit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
ContentsMB 750 E
General information
This spare parts list applies to the following:
DescriptionPart numberHydraulic breaker MB 750 Essential3363 1140 58
Use only authorized parts. Any damage or malfunction caused by the use ofunauthorized parts is not covered by Warranty or Product Liability.Any unauthorized use or copying of the contents or any part thereof isprohibited. This applies in particular to trademarks, model denominations, partnumbers, and drawings.Instructions for useThis spare parts list contains no safety regulations and is merely intended toassist in the ordering of spare parts.For information on operating, servicing, or repairing, the relevant Safety andoperating instructions must be consulted at all costs.Please observe the safety instructions listed in the relevant Safety and operatinginstructions!Instructions of orderingIt is essential to indicate the serial number of the hydraulic attachment whenordering spare parts!Please note the full identification number of your hydraulic attachment. Thiscode can be found on the cylinder.Determine the quantity of individual parts which are required and need to beordered. The order must indicate the following details:● full identification code of the hydraulic attachment
● required quantity
● part number
● description
A
C
B
A. Cylinder number
B. Type
C. Serial number
5© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Spare parts list
Hydraulic breaker
1
2
3
3
5
5
6
7
20
21
21 22
22
23
23
24
24
95
99
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-026
MB 750 ESpare parts list
Part numberQuantityRemarkDescriptionNo.-1see separate chapterPercussion unit13363 0928 571Elastic pad23361 8522 372Shock absorber33363 1007 372Guide plate53363 0842 311Guide plate63363 0928 611Guide plate73363 0837 311Transport safety device complete20(21-24)-1Transport safety device213360 0267 862Allen screw223360 1032 512Nut233363 0918 721Label transport safety device243363 1119 931professional welding process necessaryLifting eye953363 1032 241Breaker box99
7© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Percussion unit part 1: cylinder cover
100
120
122
123
123
124
124
180
181
181
182
182 183
183
190
191
191
192
192
191
191
192
192
191
191
192
192
191
191
192
192
120
124
124
122
123
123
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-028
MB 750 ESpare parts list
Part numberQuantityRemarkDescriptionNo.3363 0917 041Cylinder cover1003360 3146 641O-ring1203363 0917 101Seal1223363 0917 082Seal1233363 0917 092O-ring1243363 0872 861Filling valve complete180(181-183)-1Filling valve1813360 4784 261Threaded plug1823360 1751 251O-ring1833363 0917 024Tensioning bolt complete190(191-192)3363 0928 731Tensioning bolt1913363 0936 451Washer192
9© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Percussion unit part 2: cylinder
300
301
302
303
304
305
313314
315
320
321322
330
350
370
385
386
387
396
396
397
397
398
398
385
386
305 387
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-0210
MB 750 ESpare parts list
Part numberQuantityRemarkDescriptionNo.3363 0917 051Cylinder3003363 0928 811Main control valve3013360 9967 671Cover3023360 3144 941O-ring3033362 2675 851Seal3043363 0917 141Wiper3053360 4337 741Grease nipple3133361 8546 571Connecting screw3143360 4781 711O-ring3153363 0330 591Valve bushing3203363 1053 051Valve piston3213363 0337 491Threaded plug3223361 8545 111Non-return valve3303363 0917 031Percussion piston3503360 1067 841Lock pin3703363 0917 111Seal3853363 0917 131Seal3863363 0917 121O-ring3873360 9956 652Fitting3963360 3145 512O-ring3973361 3534 882Protective cap398
11© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Percussion unit part 3: lower breaker part
370
401
402
403
480
481
481 484
484
485
485
486
486
487
487
487 488488
490
490
491
491
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-0212
MB 750 ESpare parts list
Part numberQuantityRemarkDescriptionNo.3360 1067 841Lock pin3703363 1047 792Retainer bar4013363 1047 812Bolt4023363 0317 131Protective cap4033363 1032 421Lower breaker part complete480(481-491)-1Lower breaker4813363 0928 891Impact ring4843363 0928 911Wear bush4853362 2615 092Pin4863363 0912 014Spring dowel sleeve4873363 0894 194Threaded insert4883363 0330 432Locking bush4903363 1047 771steel
bronze see chapter Optional partsWear bush491
13© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Optional parts
Part numberQuantityRemarkDescriptionNo.3363 1043 691bronzeWear bush491
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-0214
MB 750 ESpare parts list
Tightening torquesRemarkTightening torqueDescriptionNo.Socket spanner size 22130 NmFilling valve181Allen key size 520 NmThreaded plug182Torque wrench or Power wrench size 50Tensioning bolt1911. Pretighten the tensioning bolts to
200 Nm, proceeding in a crosswisefashion,
2. then tighten each tensioning boltthrough 120° (2 sides of hexagonalhead) in a crosswise fashion,
3. finally tighten each tensioning boltagain through 90° (1 1/2 sides ofhexagonal head) in a crosswisefashion.
Socket spanner size 1420 NmGrease nipple313Allen key size 22300 NmThreaded plug314Allen key size 12100 NmThreaded plug322Socket spanner size 41200 NmNon-return valve330Jaw spanner size 46/50330 NmFitting396
15© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Working tools1 2 3 4
MB 750
W
LT
L
100
(3.94)
Metric
Part numberWt (kg)LT (mm)L (mm)W (mm)RemarkDescriptionNo.3363 1032 4556.01000550ClassicLineMoil point13363 1034 8056.01000550SilverLineMoil point13363 1032 4657.01000550100ClassicLineChisel (cross)23363 1034 8157.01000550100SilverLineChisel (cross)23363 1032 4757.01000550100ClassicLineChisel (parallel)33363 1047 8560.01000550ClassicLineBlunt tool43363 1034 8260.01000550SilverLineBlunt tool4
Imperial
Part numberWt (lb)LT (in.)L (in.)W (in.)RemarkDescriptionNo.3363 1032 45123.539.3721.65ClassicLineMoil point13363 1034 80123.539.3721.65SilverLineMoil point13363 1032 46125.739.3721.653.94ClassicLineChisel (cross)23363 1034 81125.739.3721.653.94SilverLineChisel (cross)23363 1032 47125.739.3721.653.94ClassicLineChisel (parallel)33363 1047 85132.339.3721.65ClassicLineBlunt tool43363 1034 82132.339.3721.65SilverLineBlunt tool4
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-0216
MB 750 ESpare parts list
Accessories
Hydraulic hoses
Part numberQuantityRemarkDescription3360 9923 402I.D. 25 (1"), both ends M 42x2 conical seal
24°, length 2300 mm (91 in.)Hose
3361 8538 592I.D. 25 (1"), both ends M 42x2 conical seal24°, length 2800 mm (110 in.)
Hose
Optional equipment
Part numberQuantityRemarkDescription3363 0912 00112 x 500 g (1.1 lbs)Chisel paste cartridge3363 0345 671Grease gun for 500 g cartridge3363 0898 4412 l
0.43 gal (0.53 US gal)Service box no. I with nitrogen cylinder
3363 0949 401Service box no. III without nitrogen cylinder3362 2352 931Test gauge lower wear bush3363 0949 521Inside calliper upper wear bush-1Adapter plate matching the carrier
Consult the Atlas Copco Customer Center/Dealer inyour area.
3363 0997 971Base plate with threaded inserts3363 0945 371Bolt kit3363 1006 951Base plate with through borings3363 0945 741Bolt kit3360 2092 53119 mm for bolt kitAllen key3363 0905 311Adapter kit for underwater applications3363 0929 711Piston retainer
17© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Kits
Label kit
700
701
701
701
702
702
703703
703
708
708
709
709
710 710
720
Part numberQuantityRemarkDescriptionNo.3363 1140 641Label kit MB 750 E700(701-710)-2"MB 750"Product label701-1Label AEM702-2"Atlas Copco"Product label703-1Label gas pressure708-1Lubricating symbol709-1Sound power label710-1Consult the Atlas Copco Customer
Center/Dealer in your area.Name plate720
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-0218
MB 750 ESpare parts list
Seal kit
Part numberQuantityRemarkDescriptionNo.3363 0917 071Seal kit3360 3146 641O-ring1203363 0917 101Seal1223363 0917 082Seal1233363 0917 092O-ring1243360 4784 261Threaded plug1823360 1751 251O-ring1833360 3144 941O-ring3033362 2675 851Seal3043363 0917 141Wiper3053360 4781 711O-ring3153363 0917 111Seal3853363 0917 131Seal3863363 0917 121O-ring3873360 3145 512O-ring397
Plastic parts kit
Part numberQuantityRemarkDescriptionNo.3363 1034 721Plastic parts kit3363 0928 571Elastic pad23361 8522 372Shock absorber33363 1007 372Guide plate53363 0842 311Guide plate63363 0928 612Guide plate7
Tensioning bolt kit
Part numberQuantityRemarkDescriptionNo.3363 0943 451Tensioning bolt kit3363 0928 732Tensioning bolt1913363 0936 452Washer1923363 0894 192Threaded insert4883363 0943 001Anti Seize 120 g
19© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Lower breaker part kit
Part numberQuantityRemarkDescriptionNo.3363 1034 841Lower breaker part kit3363 1047 792Retainer bar4013363 1047 812Bolt4023363 0928 891Impact ring4843363 0928 911Wear bush4853362 2615 092Pin4863363 0912 014Spring dowel sleeve4873363 0330 432Locking bush4903363 1047 771steelWear bush4913315 0381 001Chisel paste3362 2352 931Test gauge
© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-0220
MB 750 ESpare parts list
Dimensionsmm (inch)
572 (22.52)
25
(0
.98
)
36
(1
.42
)
13
60
(5
3.5
4)
55
0 (
21
.65
) Ø33 (1.30)
375
(14.76)
Ø100 (3.94)
244
(9.61)
410 (16.14) 40
25
100
260
360
32
0
48
0
410
56
0
Ø22
(1.5
7)
(9.84)
(3.94)
(10.24)
(14.17)
(12
.60
)
(18
.90
)
(16.14)
(22
.05
)Ø(8.66)
21© 2013 Atlas Copco Construction Tools GmbH | No. 3390 7609 01 | 2013-05-02
Spare parts listMB 750 E
Any unauthorized use or copying of the contents or any part thereof is prohibited.This applies in particular to trademarks, model denominations, part numbers, anddrawings.
www.atlascopco.com
©20
13AtlasCop
coCon
structionToolsGmbH
|No.
3390
7609
01|2
013-05
-02
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