Tag: 1862841 Hexagonal socket head screw

🛠️ RESTORE FULL POWER: KRUPP HM 2500 PISTON IN STOCK! 🛠️

When your Krupp HM 2500 Marathon breaker loses its punch, the percussion piston is the heart of the problem. Don’t settle for lost impact energy or costly downtime!

MERIT delivers the precision-engineered Percussion Piston (P/N: 1356613) to get your heavy-duty hammer operating at peak performance. Built for the extreme demands of quarrying and demolition.

Piston Specifications:

• Length: 40.94 in
• Diameter: 7.64 in

Maximize your uptime and break force with reliable, high-quality internals.

Ready to ship! Contact MERIT to secure your HM 2500 Piston today.

Main Assembly & Kits

Part Name	Part Number
Hydraulic hammer HM 2500 Marathon cpl.	3067365
Hydraulic hammer HM 2500 Marathon	3067155
Hammer box HM 2500 Marathon cpl.	3067249
Set of plastic parts 101 – 105	3066499
Set of seals for swivel joint	1850422
Set of seals, cpl.	(Number not listed, referenced as item 100)

Hammer Body & Major Components

Part Name	Part Number
Cylinder cover, complete	3066094
Cylinder	3067159
Cylinder cover, complete (alternate)	3067157
Lower hammer part, complete	3066196
Control slide valve	3067033
Control casting cover	1331555
AutoControl valve	3034543
Chisel stripper	3034265

Internal Hammer Parts

Part Name	Part Number
Percussion piston	1356613
Seal bushing, complete	3035233
Seal bushing (individual)	3033079
Wear bush	3032077
Stripper	3034283
Buffer ring	1851287
Pressure accumulator	1859102
Diaphragm for pressure accumulator	1329022
Filling valve, complete	0969791

Hammer Box (Vibrosilenced)

Part Name	Part Number
Elastic pad	1366789
Shock absorber	1356925
Plate (PUR)	2269803
Plate (PUR)	2265215
Floating ring	3033803
Counter ring	3033801
Guide ring	3033733
Transport safety device	2261698

Covers & Plugs

Part Name | Part Number

---

Sealing plug | 2262021
Sealing plug | 2267895
Sealing plug | 2267899
Cover | 3031183
Cover, left | 3032235
Cover, right | 3068243
Cover plate | 3031181
Cover plate | 3068099
Protective plug | 1328794
Screw plug | 1031794
Threaded plug | 1844115
Threaded plug | 3034525
Screw plug (for filling valve) | 0478426
Perforated disk | 1844113

Fasteners & Hardware

Part Name | Part Number

---

Tensioning bolt | 2262675
Tensioning bolt, complete set | 2263505
Plain washer | 1852373
Plain washer | 1851593
Nut | 1862841
Hexagonal socket head screw | 1031739
Hexagonal socket head screw | 0433381
Hexagonal nut | 0103255
Lock washer | 1853356
Lock washer | 1850596
Expansion bolt | 1851591
Cylindrical bolt | 0103776
Lifting eye bolt | 0206700
Locking bolt | 1854347
Locking bolt bush | 1854363
Locking bar | 1331529
Locking bush | 2260433
Locking bush | 1654363
Locking pin | 2251540
Locking pin | 1664347
Dowel pin | 0921413
Threaded insert | 0478345
Threaded insert | 1031529

Seals & Rings

Part Name | Part Number

---

O-ring | 0314373
O-ring | 0314370
O-ring | 0314375
O-ring | 1646282
O-ring | 1846278
O-ring | 0175125
O-ring | 0314864
O-ring | 0314897
Back-up ring | 1855010
Back-up ring | 0328046
Back-up ring | 1646281
Seal ring | 2267589
Seal ring | 2267585
Seal ring | 2267586
Slide ring seal | 1846268
Slide ring seal | 1846267
Set of seals for grooved rings | 3033525
Quading seal | 1846277

Swivel Joint Components

Part Name | Part Number

---

Swivel joint, complete | 2269899
Flange body | 2269861
Connecting piece | 1356643
Washer | 1356645
Locking ring | 0022409
Screw cap | 1353482

Working Tools

Part Name	Length / Type	Part Number
Moll point	840 mm	3033099
Moll point	1060 mm	3034027
Flat chisel	840 mm	3033891
Flat chisel	1060 mm	3034096
Blunt steel	840 mm	3035667

Percussion Unit CP 1150

Ref.	Part Name	Part Number
1	Tensioning bolt	3363 0887 03
2	Washer	3363 0671 87
3	Tensioning bolt with parts 1 and 2	3363 0879 08
6	Percussion piston	3361 3542 47
7*	Seal	3362 2675 87
8*	Seal	3362 2675 85
10*	Dowel pin	3360 9211 79
100	Cylinder cover with parts 105, 106, 107, 109	3363 0894 84
101	Control slide valve	3360 9236 59
102*	O-ring	3360 3144 56
103	Cover	3362 2619 50
104	Hexagonal socket head screw	3360 1037 66
105	Sieve disk	3361 8441 13
106	Threaded plug	3361 8441 15
107	Threaded insert	3361 0319 15
108	Eye bolt	3360 2065 98
109	Screw plug	3363 0669 63
110	Pressure accumulator	3363 0695 85
111*	O-ring	3361 0319 12
112*	Back-up ring	3361 8505 29
113	Lock washer	3361 3337 03
114	Hexagonal socket head screw	3363 0344 81
115*	O-ring	3361 0319 90
116	Male screw connection	3360 9956 65
117	Male screw connection, orifice diam.	3362 2627 15
118	Screw cap	3361 3534 88
119	Filling valve with parts 120 and 123	3363 0872 86
120*	O-ring	3360 1751 25
121	Connection screw	3361 8546 57
122*	O-ring	3360 4781 71
123	Threaded plug	3360 4784 26
125	Non-return valve	3361 8545 11
126*	O-ring	3360 4788 85
127	Lubrication nipple	3360 4337 74
128*	O-ring	3360 3145 51
200	Seal bush	3360 9236 77
201*	Seal	3360 9209 30
202*	O-ring	3360 9209 32
203*	Seal	3360 9209 35
204*	O-ring	3360 4786 04
300	Cylinder	3363 0894 83
301*	Seal	3362 2675 82
304*	Seal	3363 0340 03
305*	Stripper	3363 0666 61
400	Lower hammer part with parts 401, 2×402, 403-408	3363 0894 82
401*	Retaining bar	3360 9930 29
402*	Locking pin	3362 2618 50
403*	Sealing plug	3362 2629 25
404*	Buffer ring	3363 0690 73
405	Dust cap	3360 9953 38
406*	Wear bush	3363 0901 03
407*	Locking bush	3361 8543 63
408*	Threaded insert	3363 0317 74

---

Hydraulic Breaker CP 1150

Ref.	Part Name	Part Number
101	Hammer box	3363 0903 75
102★	Elastic pad	3363 0901 65
103★	Shock absorber	3363 0901 67
104★	Guide plate	3363 0901 63
105★	Stopper	3363 0903 35
106★	Stopper	3363 0903 33
201★	Cover	3362 2679 04
202★	Plug	3363 0860 11
203★	Plug	3362 2678 97
210	Transport safety device	3362 2620 93
211	Cylindrical bolt	3360 0268 83
212	Hexagonal nut	3360 1032 54
-★	Set of seals	3363 0894 85

---

Working Tools

Pos	Part Number	Description
1	3363 0872 64	Moll point
2	3363 0871 00	Flat chisel transverse
3	3363 0872 65	Blunt steel