YT27 air leg rock drill
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Weight
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27kg
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Type FT160A air leg(optional)
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Overall length
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668mm
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Leg length
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1668mm
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Diameter of cylinder
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80mm
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Propulsion stroke
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1338mm
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Piston stroke
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60mm
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Weight
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17kg
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Inner diameter of air pipe
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25mm
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FT160B Air-leg
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Inner diameter of water pipe
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13mm
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Length of air-leg
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1428mm
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Specification of bit shank
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22×108mm
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Propulsion stroke
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1098mm
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Operating air pressure
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0.4-0.63MPa
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Weight
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16kg
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Impact frequencey(0.63MPa)
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≥36.7Hz
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FY250 Oil reservior
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Impact energy(0.63MPa)
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≥75.5J
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Capacity
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0.25L
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