Combined Rock drill/breaker
Self-contained, Gasoline powered Drill and paving Breaker
Double the function......half the cost!
In the drill mode it produces flushing air for cutting removal, impact and rotation.
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The gasoline powered YN27 is an ideal tool for small drilling and breaking applications or when working at hard to reach sites. Just flip the selector and you have a breaker with a capacity fully compatible with medium sized pneumatic hammers and drills. Pull the start cord and the YN27 will deliver a full hours effective work for just 0.4 gallons of fuel. It will drill a 3 foot hole in hard granite in only three and a half minutes!
Features
can be used either as a drill or breaker
2 stage fuel system
All metal construction
Washable air filter
Only 4 main moving parts
Vibration reducing handle grips
Drills up to 3-1/2" holes in rock or concrete
breaks rock and concrete
Main technical data
Technical specifications | |
Weight of main machine | 27kg |
Overall dimensions(L*W*H) | 746*315*229mm |
Type of engine | Single cylinder, air cooled two strokes |
Cylinder diameter*stroke of piston | Φ58*70mm |
Rotation speed of engine | ≥2450rpm |
Displacement of engine piston | 185cm³ |
Type of carburetor | hand needle valve, floatless type |
Ignition system | controllable silicon, contactless system |
Drilling speed (mean value of five holes) | ≥250mm/min |
Drilling hole diameter | Φ28-42mm |
Max drilling depth | 6m |
Fuel consumption | ≤0.12L/m |
Tank capacity | ≥1.5liter |
Mixture ratio of gasoline and lubrication oil (in volumes) | 12:01 |
Drill rod and breaker shank | Hex22*108mm |
Rotating speed of drill rod | ≥200rounds/min |
Clearance of spark plug | 0.5-0.7mm |
