OPERATION 3.17 FIRE DETECTION AND SUPPRESSION SYSTEM 3.17.1 HIGH LEVEL ALARM ”FIRE” The high level alarm (8), illlust. Z 21619 will sound approximately 15 seconds before discharge of the fire suppression system in case of automatic actuation of the system. Act according to the circumstances and the applying safety regulations. Evacuate area to lessen risk of injury from flames. 3.17.2 ENGINE SHUT-DOWN THROUGH FUEL SHUT-OFF SOLENOID VALVE The fuel shut-off solenoid valve for the engine is actuated through pressure switch (9), illust. Z 21619. When the fire detection system detects a fire, the valve will be closed shutting-off fuel supply to the engine (Shut-down of the engine).
3.17.3 ACTUATION MODES OF THE FIRE SUPPRESSION SYSTEM MANUAL ACTUATION Via strike button (2) in operator’s cab or strike button of switches (6) on radiator door and (7) at the rear power house door. Manual actuation will result in immediate system discharge which may obscure vision. Make certain the Shovel is stopped safely before manually actuating the system. Man- ual actuation will bypass all auxiliary shutdown and alarm functions. NOTICE For manual actuation via switches (4, 6 or 7), pull ring (3) and strike button (2). AUTOMATIC ACTUATION Via detection wires routed through the engine - and hydraulic pump compartments. 251 WARNING