YN27C internal combustion rock drill
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YN27C(YN27T) INTERNAL COMBUSTION ROCK DRILL
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TECHNICAL SPECIFICATIONS |
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Weight of main machine |
27 kg |
Type of carburetor |
Hand needle valve, no floating type |
Ignition system |
Controllable silicon , contactless system |
Displacement of engine piston |
185 cm3 |
Rotating speed of engine |
≥2450 r/min |
Rotating speed of drill rod |
≥200 r/min |
End of drill rod dimensions |
Hexagonal 22x108 mm |
Max drilling depth |
6 m |
Tank capacity |
1.14 L |
Drilling speed |
≥250mm/min |
Mixture ratio of gasoline and lubricating oil(in volumes) |
12:1 |
Clearance of spark plug |
0.5~0.7 mm |