Structure: With brake flange design, optimized anti blank-firing performance
Function: Transmit impact energy to shank adapter for rock breaking
Matching Spares: Cylinder liner, front & rear piston guides, full sealing kit
Interchangeability: Special piston for COP MD20, cannot be interchanged with pistons for COP1838, COP1638 and other drifter models
Recommended Supporting Overhaul Parts
Complete sealing kit for COP MD20: 3115 9011 84
Front sealing kit: 3115 9011 83
Installation & Maintenance Notes
Replace worn piston guides and sealing parts together when changing the striking piston. Fully clean the hydraulic oil circuit before assembly. Tighten all fasteners according to standard torque values. Long-term blank firing is forbidden to prevent piston damage.
Short Label Version (for BOM / drawing annotation)
Striking Piston, P/N: 3115 3171 00, Suitable for Epiroc COP MD20 Hydraulic Rock Drill, Alloy steel integral forging, quenched and precision ground.