Specifications include, but are not limited to: The sweeper power unit shall be a gasoline fueled; liquid cooled industrial engine. Piston displacement shall not be less than 152.5 cubic inch developing not less than 56 HP @ 2100 RPM and 140 ft. /lbs. torque @ 2100 RPM. Engine shall be 4 cycles; 3.5 inch bore and 3.93 inch stroke. Cylinder construction shall be dry sleeve type. Spin-on replacement type oil filter. 12-volt ignition, electric starter and minimum 40-amp alternator with charge indicator gauge shown on the touchscreen display mounted on control console in cab. An engine ECU shall have a multi-point engine protection system that will derate/shutdown when an engine problem is detected such as high coolant temperature, low coolant level, or low oil pressure. Unit shall share batteries with chassis engine. Unit shall have a 19-gallon fuel tank for the auxiliary engine separate from the chassis engine. Unit shall have a heavy-duty dry type of air cleaner with replaceable element, safety element, and integral precleaner. Power unit must be easily accessible without starting the engine or the use of auxiliary hydraulics Power unit shall be equipped with fuel filter. To keep overall height to a minimum when dumping, access panels shall not be attached to the hopper weldment. DUST SEPARATOR Separation of the dirt from the air stream shall be accomplished by means of an external cylindrical multipass centrifugal dust separator with a minimum size of 20" diameter and 22.5" width. The separator shall be designed so that it will not plug with normally encountered debris The separator shall be lined with a bolt-in, replaceable, wear resistant rubber liner for long life The dust separator shall have a minimum 4-inch diameter port allowing inspection and cleaning of the interior, with an expandable rubber plug and a 25-inch-long extension handle for access. The separator shall incorporate a self-cleaning compartment to trap fine particulates and prevent re-entry into the air stream Dust separator shall be constructed of industrial grade, nonmagnetic low carbon, high chromium stainless steel...
