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Specifications cut spur design shall be provided to eliminate all possible end thrust. The pump ratio shall be selected by the apparatus manufacturer to provide the maximum performance with the engine and transmission selected. Thr•ee (3) green warning 1ights shall be provided to indicate to the operator(s) when the pump has completed the shift from Road to Puinp position. Two (2) lights shall be located in the truck driving compartment and one (1) li¢ht on pump operator's panel, adjacent to the throttle control. AIR PITMP SHIFT Pump shift engageznent shall be made by a two (2) position sliciing collar, actuated pneumatically (by air pressure), with a three (3) position air control switch located in the cab. Two (2) indicator 112hts shalI be provided adjacent to the pump shift inside the cab. One (I) areen li2ht shall indicate the pump shift has been completed and be labeled "pump engaged". The second green Iiffht shall indicate -,vhen the pump has been enaaaed and the chassis transmission is in pump gear. This indicator light shall be labeled "OK to puinp". Another green indicator light shall be installed adjacent to the hand throttle on the pump panel and indicate either the pump is eneaged and the road transmission is in pump gear; or the road transmission is in neutral and the pump is not engaged. This light shall be labeled "Warnin Do not open throttle unless light is on". TR4NSMISSION LOCK-UP The direct gear transmission lock-up for the fire pump operation shall enaage automatically when the pump shift controL in the cab, is activated. AL'XILIARI' COOLING SYSTEM A suppleinentary heat exchange cooling system shall be provided to allow the use of water from the discllarQe side of the pump for cooling the engine water. Heat exchanGer shall be cylindrical type and sha11 be a separate unit. It shall be installed in the plump or engine compartment with the control located on the pump operator's control panel. Exchanaer shall be plulnbed to the master drain valve. Enaine water Iines sha11 be iun inside plastic conduit. INTAIiE RELIEF VALVE An Ellchart relief valve shall be installed on the suction side of the pump preset at 125 psig. Relief valve shall have a workina ranQe of ?5 psig to 250 psig. Outlet shall terminate below the framerails with a 2.50" National Standard hose thread adapter and shall have a"do not cap" warning tag. Control shall be located behind an access door at the right (passenger's) side pump panel. TOTAL PRESSURE MASTER RELIEF VALVE A Hale Total Pressure Master relief valve system shall provide both the discharge and suction protection (against excess inlet pressure) as required by NFPA pamphlet #1901 standards. Bidder Complies Yes I No Page 47