3552 Battery 1 & 2 / 2552 Battery 1 havi ~~~~~ 3552 Battery 1 & 2 / 2552 Battery 1 having corrosion & leakage. To replace battery bank. 3WCC01(BATTERY) check & found.  3552 & 2552 battery banks replaced - Done. Function test - OK. Battery Bank S/N :   OLD                    NEW 3552             KSF 2013-206           KSF 2013-174    2552             KSF 2013-186           KSF 2013-072  Lee PT/Anand 43889