Pneumatic Breaker-RB777

Pneumatic Breaker-RB777Instruction RB777 Jack hammer is a ideal tool that break up concrete and other solid object in the road construction and installation. It has characteristic of simple structure,high efficiency and handy use . As long as fix a drill shank, turn on air source, then working.Specification

Weight	37kg
Length	733mm
Rammer dia	57mm
Rammer stroke	189mm
Air pressure	0. 63Mpa
Impact frequency	18. 3Hz
Air consumption	34L/s
Air pipe inner dia	19mm(3/4”)
Lubrication capacity	30ml
Shank size	32*152mm

Work Principle

RB777 Jack hammer is a tool that use compressed air as power, the compressed air come from air connection tube(31) to the valve unit in the pick back head(4), through valve(33), allot the compress air to cylinder(11)above below antrum,promote hammer(12) reciprocating up and down, hammer(12) make punch(14) beat the end of steel shank, ensure steel shank drill into concrete continuously, make it break into pieces.