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Two (2) indicator lights will be provided adjacent to the pump shift inside the cab. One (1) green light <br />will indicate the pump shift has been completed and be labeled "pump engaged". The second green <br />light will indicate when the pump has been engaged, and that the chassis transmission is in pump gear. <br />This indicator light will be labeled "OK to pump". <br />The pump shift will be interlocked to prevent the pump from being shifted out of gear when the chassis <br />transmission is in gear to meet NFPA requirements. <br />The pump shift control in the cab will be illuminated to meet NFPA requirements. <br />TRANSMISSION LOCK -UP <br />The direct gear transmission lock -up for the fire pump operation will engage automatically when the <br />pump shift control in the cab is activated. <br />AUXILIARY COOLING SYSTEM <br />A supplementary heat exchange cooling system will be provided to allow the use of water from the <br />discharge side of the pump for cooling the engine water. The heat exchanger will be cylindrical type <br />and will be a separate unit. The heat exchanger will be installed in the pump or engine compartment <br />with the control located on the pump operator's control panel. Exchanger will be plumbed to the master <br />drain valve. <br />INTAKE RELIEF VALVE - PUMP <br />An Akron Style 53 relief valve will be installed on the suction side of the pump preset at 125 psig. <br />The relief valve will have a working range of 50 psi to 250 psi. <br />The outlet will terminate below the frame rails with a 2.50" National Standard hose thread adapter and <br />will have a "do not cap" warning tag. <br />The relief valve pressure control will be located behind behind the right side pump panel with a <br />stainless steel access door. <br />PRESSURE CONTROLLER <br />A Pierce Pump Boss Model PBA300 pressure governor will be provided. <br />A pressure transducer will be installed in the water discharge manifold on the pump. <br />The display panel will be located at the pump operator's panel. <br />PRIMING PUMP <br />The priming pump will be a Trident Emergency Products compressed air powered, high efficiency, <br />multistage venturi based AirPrime System, conforming to standards outlined in the current edition of <br />NFPA 1901. <br />All wetted metallic parts of the priming system are to be of brass and stainless steel construction. <br />One (1) priming control will open the priming valve and start the pump primer. <br />