... machine 2.aluminium pipe size 4" 6" approval 3.widely used in transportation,railway,bridge ≤ MPA44Working stroke(MM ... filter 3,Switch 4,Plunger punp5,Oil in put 6,Oil tank 7,Oil tank cushion8,Lower ... welded tube should face right outside or inside;(6)In operating, in case that a phenomenon of air-intake ... to press to an angle desired;(6)Release the switch in counter clockwise and the functioning rod ...