Specification :

Weight 24kgs
Overall length 604mm
Cylinder Dia: 70mm
Piston stroke: 70mm
Operating air pressure 0.4-0.63MPa
Impact frequencey: 27HZ
Air-pipe bore(inner Dia.) 19 mm
Water-pipe bore(inner Dia.) 13 mm
Air consumption 55L/s
Drill rod trailer 22 x 108 mm

instruction:
"Suitable for either drilling downward or inclined blastholes in medium-hard or hard rock, or for second blasting operation.
•Centrally grouped control,nimble starting,stable running and easy maintenance
The rock drill is widely used for dry drilling in the medium-hard and hard rock(f=8-18). It’s suitable for drilling works in surface mine, quarry for boulder blasting and other dry drilling working.
FY200B oil reservior is matched with this rock drill to ensure the fine lubrication.
"