||Main Frame: Rigid steel plate fabrication with heavy web reinforcement. Top caps for side bearings are removed to allow the shaft/jaw stock assembly to be lifted out complete. Groove block seating and side bearing bores machined for accurate alignment; Eccentric Shaft: Fully machined high quality steel shaft; Jaw stock: Strong, deeply webbed steel jaw stock. Machined bore & toggle settings; Bearings: Self-aligning spherical roller bearings with grease lubrication and grease-filled dust seals; Toggle Plate: Cast iron plate with hardened faces. Replaceable wear-resisting manganese steel seating strips with dust cover; Jaw Plates: Replaceable wear-resisting manganese steel castings each with toothed face. Jaws inverted for maximum life; Side Liners: Sectional, replaceable manganese steel; Flywheels: Interchangeable flywheels, vee belt drive; Setting Adjustment: A set of shim plates of various thickness supplied. A hydraulic cylinder/hand pump allows selected shims to be inserted behind the groove block. See Details.