The swing jaw plate and wedge are installed in front of the swing jaw. They are high manganese st eel casting structure （wear parts ）and should be replaced periodically according the property of the crushed material.
Crusher Manual. Read the Manual Prior to the Use of the 2 x 3 Rock Crusher. The Small 2"x3" Jaw Crusher is designed to crush rock and rock like aggregates from 1.5"" size down to – 50 Mesh size depending on selected output setting.