Description

Instruction Internal Combustion Rock Drill Type YN *7C 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 *7 kg Type of carburetor Hand needle valve, no floating type Ignition system Controllable silicon ?? contactless system Displacement of engine piston **5 cm3 Rotating speed of engine ≥***0 r/min Rotating speed of drill rod ≥**0 r/min End of drill rod dimensions Hexagonal *2x**8 mm Max drilling depth 6 m Tank capacity 1.*4 L Drilling speed ≥**0mm/min Mixture ratio of gasoline and lubricating oil(in volumes) *2:1 Clearance of spark plug 0.5??0.7 mm Air Leg Rock Drill-YT*9A, YT*8, YT*7, YT*4, YT*3, YT*3D, Y**8, YSP*5 are also sold by our company. Hand-Hold Rock Drill-Y*6, Y*4, Y*9A, Y6, Y*0, TY*4C are also sold by our company. B*7C, RB**7, RB**7C, B*7C, G*0, G*0, B*0, B*7C, B*7, TCA*7 are also sold by our company. Internal Combustion Rock Drill YN*7C, YN*7A, YN*7J, YN*0A are also sold by our company.