MERIT manufactures premium pistons for Atlas Copco / Epiroc HB 4700 hydraulic breakers. Engineered from high-strength alloy steel with advanced heat treatment and precision CNC machining, they ensure superior impact energy transfer, reduced wear, dimensional stability, and long-lasting performance under extreme working conditions.
Main Assemblies and Breaker Units
Hydraulic breaker HB 4700: 3363 1027 51
Hydraulic breaker HB 4700 DustProtector: 3363 1044 61
Breaker box (HB 4700): 3363 1032 10
Breaker box (HB 4700 DustProtector): 3363 1032 11
Cylinder (with plugs and valve): 3363 1038 15
Cylinder cover (with strainer and inserts): 3363 1038 72
Percussion piston: 3363 1038 28
Lower breaker part complete: 3363 1038 18
General Housing and External Parts
Elastic pad: 3363 1027 59
Shock absorber: 3363 1027 55
Guide plate: 3362 2698 03
Guide plate: 3362 2652 15
Plate: 3363 0862 37
Transport safety device complete: 3363 0948 26
Lifting eye: 3363 1119 95
Swivel joint cover: 3363 1113 35 and 3363 1113 45
Cover: 3363 0311 81
Plug: 3363 0860 17
Percussion Unit Components
Main control valve: 3363 1050 13
AutoControl Frequency switching valve: 3363 0354 53
HP-accumulator: 3363 0949 81
Tensioning bolt complete: 3363 1038 35
Tensioning bolt: 3363 1050 03
Filling valve complete: 3363 0872 86
Swivel joint complete: 3362 2699 99
Non-return valve: 3361 8545 11
StartSelect Valve: 3363 0825 05
Seal bush: 3363 1050 17
Ring: 3363 1050 19
Lower Breaker Part Components
Retainer bar: 3361 3315 29
Buffer ring: 3363 1050 37
Wear bush: 3363 1050 39
Wear bush (steel): 3363 1050 41
Wear bush (bronze): 3363 1050 51
Lock pin: 3360 9214 13
Bolt: 3363 1050 43
DustProtector Specific Parts
Floating ring (steel): 3363 1044 23
Floating ring (tribolid): 3363 1044 27
Counter ring: 3363 1044 25
Guide ring: 3363 1044 29
Base for wiper: 3363 1050 45
Wiper: 3363 1050 47
ContiLube® II and Connecting Kit
ContiLube® II: 3363 0671 23
Connecting kit complete: 3363 0948 71
Oil line (Hydraulic hose): 3363 0838 79
Grease line (Hydraulic hose): 3363 0838 76
Support: 3363 0948 63
Working Tools (190 mm / 7.48 in Diameter)
Moil point (ClassicLine, 1450 mm): 3363 1038 45
Moil point (ClassicLine, 1650 mm): 3363 1038 46
Moil point (SilverLine, 1650 mm): 3363 1038 53
Chisel cross (ClassicLine, 1450 mm): 3363 1038 48
Chisel cross (ClassicLine, 1650 mm): 3363 1038 49
Chisel cross (SilverLine, 1650 mm): 3363 1038 54
Blunt tool (ClassicLine, 1450 mm): 3363 1038 43
Blunt tool (ClassicLine, 1650 mm): 3363 1050 55
Blunt tool (SilverLine, 1650 mm): 3363 1050 59
Service Kits and Accessories
Seal kit: 3363 1038 36
Plastic parts kit: 3363 0948 69
Accumulator repair kit: 3363 0898 50
Expansion bolt kit: 3363 1034 87
DustProtector kit: 3363 1038 60
Chisel paste (12 x 500 g): 3363 0912 00
