. SAFETY SAFETY MACHINE OPERATION source. 2 - 21 STARTING ENGINE IN COLD WEATHER Carry out the warming-up operation thoroughly. If the machine is not thoroughly levers are operate d, the reaction of the machine will b e slow, and this may lead to unexpected accidents. If the battery electrolyte is frozen, d o n ot charge the attery or the ngine with a There is a hazard t hat this will ignite th e battery. Befor e charging or starting the engine with a different power source, melt the frost a nd leakage o f batter y electrolyte before starting. up before he control battery electrolyte and check for