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FNed hi by W A Joi)es <br />Scrapers shall have dual cylinders. Power reverse with two (2) 4" <br />double acting cylinders with chrome plated rods. Cylinder rods <br />'clevis bosses to be 2" OD carbon steel, solid welded to the top <br />and bottom of the hanger board, Scraping angle should not be <br />less than 45 degrees adjustable as desired. All moving parts shall <br />be zerk equipped. Power shall be provided from central <br />hydraulic system. <br />Moldboard to be actuated by two (2) 4" double acting cylinders <br />mounted horizontally on the scraper by 3/4" thick reinforced <br />steel trunnion brackets. Trunnion bearings shall be 2" OD x 1 <br />1/4" carbon steel. <br />Blade down pressure shall be adjustable and with no less than <br />1,500 lbs. maximum to be set at 600 PSI. <br />All fittings to be JIC. Push on fittings shall not be accepted. <br />Underbody scrapers shall be famished with 8" x 3/4 standard <br />carbon flame hardened blades. <br />Moldboard shall have replaceable blade and end bits. <br />Power reverse shall be cab controlled. <br />Underbody grease zerts shall be centrally located. <br />Specifications for Snow Plow Qyick Hitch Large <br />General: Snow plow quick hitch shall be heavy duty type to be used for street <br />and/or highway snow plowing by heavy duty trucks. Hitch shall be <br />designed to permit adequate lift and full radius swing of hydraulic <br />controlled power reversing snow plows. <br />Type: Snow plow hitch shall be an automatic snap coupling type, 34" wide, <br />equipped with 3" diameter by 10" stroke hydraulic lift cylinder. <br />Automatic locking shall be accomplished by dual cam actuated <br />spring loaded locking lugs. A lever shall be provided for retraction <br />of locking lugs. Locking lugs shall be I - 7/8" minimum diameter with roller <br />bearings to aid in lifting and lowering plow. <br />233 <br />