Product Description:
1.Engine:
The engine is a hand operated,single cylinder and two stroke petrol engine with air cooling,reflux airconversion,no contact ignition,and no floating-type carburetor.It is composed of control parts,starter parts,oil tank parts,flywheel parts,crankshaft,connecting rod,crankshaft case parts,magneto parts,and piston parts and cylinder parts.
2.Air Compressor:
The engine piston and hammer piston are mounted separately in the upper and lower place of the cylinder.These two pistons move up and down synchronously.The hammer piston and the bigger bore of the cylinder forma compression chamber,which together with air inlet and outlet valves and ventilator valves,form the air compressor.It is composed of hammer piston parts and cylinder parts.
3.Rock drill:
It is composed of hammer piston parts,rotation mechanism parts,drill shank housing parts.
Specification:
| YN27C GASOLINE ROCK DRILL | |
| Weight | 27kg |
| Engine load speed (determination of when chiseled five hole) | ≥2450r/min |
| Drill rod idling speed | ≥200r/min |
| The tail bit shank size drill rod | 22x108mm |
| Deepest depth of the borehole | ≥6m |
| Fuel tank capacity | ≥1.14L |
| Borehole speed | ≥250mm/min |
| Gasoline and lubricating oil blending ratio | 9:1 |
| Spark plug electrode gap | 0.5~0.6mm |