Air Leg Rock Drill-YT29A，YT28，YT27,YT24,YT23,YT23D,Y018,YSP45 are also sold by our company.
Hand-Hold Rock Drill-Y26,Y24,Y19A,Y6,Y10,TY24C are also sold by our company.
B77C, RB777, RB777C, B87C, G20, G10, B90, B67C, B47, TCA-7 are also sold by our company.
Internal Combustion Rock Drill YN27C, YN27A, YN27J, YN30A are also sold by our company.
Instruction
Internal Combustion Rock Drill Type YN 27C has functions of drillhole,cleavage, bruising, tamping and chiseling. It is widely used in mine, road construction,quarrying, national defence works, etc.
Specification
| 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 |
