Hand Held Pneumatic Jack Hammer YN27C Gasoline Internal Combustion Rock Drill

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.

1. Do not change the internal parts of the head, just as required to move the handle, you can work.

2. The machine is easy to operate, more time-saving and labor-saving, with features of fast chisel speed and high efficiency.

3. The machine has reached the first-class level of similar products, and can completely exchange parts with international similar products.

4. The borehole on the rock, can be vertical, horizontal down up less than 45° vertically down the deepest drilling up to six meters.

5. The main engine weight only 27 kg and is easy to carry. It is especially suitable for high mountains, areas without power supply or wind pressure equipment and temporary projects with greater mobility.

6. Whether in the mountains, the ground, no matter in the heat of 40° or minus 40°of cold region all can work, this machine has extensive adaptability.