Operation Section Starting From a 12 Volt External Source Sparks occurring near the battery could cause vapors to explode. Always connect the external power source ground cable to a point away from and below the battery, and well clear of fuel system components. Typical Example NOTICE Do not reverse battery cables. It can cause damage to the alternator. Always connect the external power source cables in parallel with the lift truck battery cables : POSITIVE(+) to POSITIVE(+) and NEGATIVE(-) to NEGATIVE(-). Attach ground cable last, remove first. All lift trucks equipped with DOOSAN built internal combustion engines are NEGATIVE(-) ground. 52 WARNING