Product Details

YN27C/YN27J Gasoline Internal-combustion rock drill jack hammer

Introduction

1.Small volume ,light weight
2.Y series rock drill
3.less gas consumption

YN27C hand-held internal-combustion rock drill is a hand-rockdrilling tool which integrates small

gasoline engine,compressor and rock drill.

It is easy to be carried along,. It is stuited to work on high mountains, plains, hot and cold area with no power and no water supply and air compressing equipments, and especially suits the projects that the machine has to be carried at any time and in any area.

Technical parameters

Weight	27kg
Overall dimension	746 x 315 x 229 mm
Type of engine	single cylinder,air cooled two strokes
Cylinder DiameterxStroke of piston	58 x 70mm
Rotating speed of engine	≥2450r/min
Displacement of englne plston	185 cm3
Type of carburetor	hand needle valve,no floating type
Ignition system	Controllable silicon contactless system
Drilling speed(mean value of five holes)	≥ 250mm /min
Max. drilling depth	≥ 6m
Fuel consumption	≤0.12L /M
Tank capacity	≥ 1.14L
Mixing ratio of gasoline and lubrication oil	(in volumes) 9:1
End of drill rod dimension	shexagonal 22 x 108m
Rotating speed of drill rod	≥200r/min
Clearance of Spark plug	0.5 -0.7mm

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