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prevent any movement of the arm without actioning the joystick. Unit <br />shall have secondary controls for the arm. <br />Rear Tail Gate: To be 10 gauge minimum steel with two 2 YZ" minimum operating <br />cylinders, automatic hydraulic locking mechanism and safety pin. Tail <br />gate to include a rubber seal on both sides and bottom to prevent liquid <br />leakage. Manual control valve with safety lock to be in the cab and to <br />include light and audible alarm when tail gate is unlocked. Tail gate to <br />include safety prop rod and hydraulic line flow restrictor to prevent <br />sudden descent. <br />Packer: Packer face plate and ram top thickness to be 1/4" AR-200 steel or equal. <br />Packer to be guided on structural tubing guide rails. Packer panel shall be <br />equipped with top, side and bottom wear bars. Bottom wear bars to be a <br />minimum 3/8". Packer to be operated by two double acting cylinders <br />capable of 800 lbs per cubic yard compaction. Cycle to be not more than <br />14 seconds at 1,200 engine RPM. Packer controls to be located in the cab, <br />controls to be heavy duty, color coded, corrosion proof and weather <br />resistant. Red emergency stop button shall stop packer ram movement at <br />any time. Packer to be equipped with electronically controlled multi cycle <br />timed or continuous operation system. System must be capable of packing <br />at idle. The packing mechanism shall be capable of extending to the rear <br />most end of the body, past full pack position, to provide off-loading <br />function when tailgate is raised. <br />Hydraulic System: Pump to be double vane type driven by a coupler to the front of the engine <br />crank shaft. System to have proper overall volume, PSI and GPM ratings <br />to operate all systems of the packer unit in accordance with engineering <br />best practices. Hydraulic reservoir to include sight level indicator with <br />temperature gauge, magnetic drain plug, shut off valves in suction line and <br />check valve in return line. Reservoir to have inspection and clean out <br />cover. Section line to include 100 mesh strainer, return line to have 7 <br />micron filter. Four braid wire hoses to be used on pressure side, all other <br />hose bends to conform to SAE standards. Gauge test ports to be provided. <br />All valving to be electric over hydraulic. Pump guard to be included. <br />Electrical: All body lights to be LED type, recess mounted and water tight. Mid - <br />body turn signals to be included. Hopper work lights to be included. One <br />roof mounted and two tail gate mounted strobe lights to be included along <br />with an electronic back up alarm. All limit switches to be heavy duty, <br />industrial type, water tight with adjustable arm and over travel protection. <br />All electrical circuit to be properly fused, color coded and numbered. <br />