Specifications

Internal combustion rock drilling yn27 can be converted into a breaker or a hammer for breaking, digging, splitting and ramming.

Internal combustion rock drill yn27

1. The Internal Combustion Rock Drill Type YN27 is a hand-operated rock-drilling tool, composed of a small petrol engine, an air compressor and a rock drill.
2. During operation, the rock powder is blown away by the compressed air produced by the machine itself.
3. It carries easily with the main engine weighing only 27kg . It is suited to work on high mountains, and places with no power supply and air compressing equipment, and especially suits the temporary projects that the machine has to be carried at any time and in any place.

 

Technical Specifications:

TECHNICAL SPECIFICATIONS
Weight of main machine	27 kg
Type of carburetor	Hand needle valve, no floating type
Ignition system	Controllable silicon , contactless system
Type of spark plug	4z4
Displacement of engine piston	185 cm 3
Rotating speed of engine	≥ 2450 r/min
Rotating speed of drill rod	≥ 250 r/ min
End of drill rod dimensions	Hexagonal 22× 108 mm
Thrust force	≥ 25 J
Max elevation angle	45 °
Max drilling depth	6 m
Tank capacity	1.1 L
Lubricate the way	The gasoline adds the automatic lubrication in engine oil
Mixture ratio of gasoline and lubricating oil( volumes)	12:1
Clearance of spark plug	0.5 ~ 0.6 mm