On pulling the handle, suction port of the cylinder gets filled with the grease. Spring pressure through follower plate exerted over the top surface of the grease (filled in the reservoir) further helps to push the grease in the suction port
On pulling the handle, suction port of the cylinder gets filled with the grease. Spring pressure through follower plate exerted over the top surface of the grease (filled in the reservoir) further helps to push the grease in the suction port
