Demolition Hammer

About

Demolition hammer parts are built for high-impact work. Electric breakers, chipping hammers, rotary hammers used in hammer-only mode, and heavy-duty demolition hammers use internal impact systems to break concrete, tile, masonry, asphalt, and stone. That repeated shock can wear tool holders, chuck parts, retaining rings, pistons, striker bolts, cylinders, O-rings, seals, springs, brushes, switches, cords, bearings, handles, and grease covers. GenuineReplacementParts.com helps customers identify demolition hammer parts by model number, shank type, symptom, and repair area. A demolition hammer is different from an ordinary drill because the important work happens inside the impact mechanism. The motor drives gears and a crank or piston system. The piston compresses air or transfers motion to a striker, and the striker hits the back of the bit. The front tool holder locks the chisel, point, or bit in place. Seals and O-rings help maintain impact pressure and retain lubrication. If any of those parts wear out, the motor may run but the tool may stop hitting effectively. What parts are inside a demolition hammer? Common internal parts include the armature, field, brush holders, carbon brushes, switch, power cord, gears, crankshaft, piston, cylinder, striker, O-rings, seals, grease, bearings, springs, chuck sleeve, tool holder, retaining ring, side handle, vibration-control parts, and service covers. The exact names vary by brand and shank system, but model-specific diagrams are important because small seal or spring differences can change tool performance. Symptoms often reveal where to look first. If the motor runs but the hammer does not strike, the piston, striker, O-rings, seals, grease condition, or impact assembly may be worn. If the chisel slips out, inspect the tool holder, chuck sleeve, retaining ring, spring, or shank wear. If the tool sparks, loses power, or stops intermittently, carbon brushes, brush holders, switch, cord, armature, or field parts may be invo