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TYPE <br />III ii IV Ill ua iiu����� by A . . J011EIFS <br />DESCRIPTION <br />5" ID x 6.5" OD x 1" hardened center bushing <br />Center Pin: Heavy duty, 5" diameter, hardened center pin, zinc <br />coated. <br />Greaseable with 3 port grease journal and 5/16" wide x 3/16" deep <br />grease groove around pin. <br />Center pin is piloted into Hanger board <br />Circle Clamps: 20.5" long x 7" deep x 1" thick <br />Shaped to follow the contour of the circle <br />3/8" UHMW wear pads <br />Entire clamps must remain fully on the circle throughout the entire <br />rotation of the scraper <br />Reversing Cylinders and Hardware: Two (2) 4" x 12" double <br />acting cylinders 1/z" #8 SAE ports <br />2" diameter Socatri 1000-cylinder rods <br />Poly -Pack seals and cast steel heads <br />3" OD x 2" ID cylinder pivot mounts <br />2" diameter hardened pivot pins, zinc coated with spiraled grease <br />groove around full pin <br />30 gpm pressure adjustable cross over relief valve <br />Hangerboard shall be designed and engineered for optimum <br />strength and durability <br />1/2" formed plate upper with 5" diameter center pin pilot hole <br />1/2" formed lower plate for 1" thickness full width of hanger -board <br />3.25" x .344" mechanical tube outer hinge tubes <br />V thick trunnion arms <br />22 <br />SHALL BE <br />AS <br />(Circle One) <br />