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Custom Fire Apparatus, Inc. <br />compartment(s) adjacent to the equipment rack, the vertical cavity shall be no more than 25-inches wide. <br />A hydraulic cylinder powered scissors style mechanical actuator shall provide movement of the <br />equipment rack from the vertical -up position to the perpendicular -down position. The scissors <br />mechanism shall consist of a dual set of parallel .5" x 2" aluminum flat bar links with six (6) bronze <br />bushed pivot bearings, attached to the truss frame, the back wall of the cavity, and the hydraulic cylinder <br />telescoping rod. The truss frame shall have 1.5" diameter bottom pivot pins and cup style grease able <br />bearings which are bolted to the outboard bottom corners of the equipment rack cavity. A 12-volt motor <br />driven hydraulic pump with self contained oil reservoir is to provide hydraulic power for the single <br />hydraulic cylinder. A spring loaded mechanical equipment rack "up lock" is to be provided, which <br />automatically retracts/releases prior to activation of the hydraulic pump and down -movement of the rack. <br />A single toggle style electrical switch is to release the up -lock and control the up and down movement of <br />the rack. The switch is to be located in clear view of and a safe distance from the equipment rack. <br />Warning for the equipment rack being un-nested shall be integrated into the "Do Not Move Apparatus" <br />light located in driver's compartment. Where hinged compartment doors or other exterior side body <br />accessories interfere with the travel radius of the equipment rack, and interlock shall prohibit movement <br />of the rack until such accessory is secured. <br />A job color painted fabricated aluminum body panel shall cover the truss frame, full height of the side <br />compartments, also enclosing equipment rack's actuator mechanism. The body panel shall be attached to, <br />travel with, and be easily removable from the vertical truss frame. Attachment shall incorporate <br />horizontally adjustable stainless steel brackets and multiple aircraft style slotted cowl fasteners. The <br />painted body panel is to extend from the equipment rack's point of rotation to the top of the side <br />compartments, overlapping the cavity outboard corners. <br />Two (2) or more amber color LED warning lights are to be furnished, mounted to the equipment rack, <br />steady -on while the rack is in the "down" position. An audible alarm is to be provided, activated only <br />while the rack is moving up or down. <br />The equipment rack must be of the above described "center -post" design, thus eliminating the need for <br />front and rear compartment corner mounted actuator bars or stabilizer bars. Center -post design will also <br />allow for unobstructed access to all of the side body compartments, and opening of the compartment <br />doors with rack in down -position. Equipment racks that require apparatus body front and rear corner <br />mounted swing -down arms; therefore obstructing access to the side compartments with rack in "down" <br />position, are not acceptable. <br />FOLDING TANK STORAGE ENCLOSURE, HINGED FOLD -OUT PANEL BRACKET <br />A custom fabricated "box enclosure" shall be furnished, installed horizontally on the top -side of the <br />hydraulic drop -down equipment rack platform. With the box enclosure in the "up" road travel position, <br />and to prevent movement/vibration, the box housing shall rest at front and at the rear on nylon blocks <br />which are fastened to the side compartment roof tops <br />Box enclosure shall be fabricated entirely of .125" polished 4-way treadplate aluminum, with treadplate <br />pattern exposed to the exterior. <br />07/26/22 <br />- 115 - <br />