TM 5-3805-280-10 Operating the Engine SLAVE RECEPTACLE—24 VOLT SYSTEM Before boost starting, machine must be properly shut down to prevent unexpected machine movement when engine starts. CAUTION: An explosive gas is produced while batteries are in use or being charged. Keep flames or sparks away from the battery area. Make sure the batteries are charged in a well ventilated area. The slave receptacle can be used to charge the batteries and slave start the engine from an external power source. The slave receptacle can also be used to charge and slave other equipment. T120369 –UN–25MAR99 CED,OUOE042,62 –19–07APR99–1/1 5-4