Specification :
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 e2450 r/ min
Rotating speed of drill rod e200 r/ min
End of drill rod dimensions Hexagonal 22x108 mm
Max drilling depth 6 m
Tank capacity 1.14 L
Drilling speed e250mm/ min
Mixture ratio of gasoline and lubricating oil( in volumes) 12: 1
Clearance of spark plug 0.5? ? 0.7 mm