Alpha Technologies Spectra Series - Manual (Page 6)

Preliminary Operating Instructions 6 of 62 AIP SERVICE NUMBER 1-800-863-3364
13. CHARGER CONTROL BOARD QUICK GUIDE ......................................................................................... 37
14. MAINTENANCE ........................................................................................................................................... 39
14.1 FUNCTIONAL TESTS ......................................................................................................................... 39
14.2 PHYSICAL CLEANING ....................................................................................................................... 39
14.3 CHECK AREA AROUND CHARGER ................................................................................................. 40
14.4 VISUAL INSPECTION ......................................................................................................................... 40
14.5 BATTERY CONDITION ....................................................................................................................... 40
15. SERVICING THE CHARGER ...................................................................................................................... 40
15.1 TROUBLESHOOTING......................................................................................................................... 42
15.2 TESTING SCRS................................................................................................................................... 48
15.2.1 SCR1 SHORTED OR LEAKY ....................................................................................................... 48
15.2.2 SCR1 OPEN .................................................................................................................................. 48
FIGURE 15.2.2-1: SCR1 TERMINAL DIAGRAM .............................................................................. 49
FIGURE 15.2.2-2: SCR1 TERMINAL DIAGRAM FOR 50A CHARGER........................................... 49
15.3 TRANSFORMER TESTING................................................................................................................. 50
FIGURE 15.3: TRANSFORMER AC VOLTAGES TABLE ................................................................ 50
15.4 CHARGER ID TESTING...................................................................................................................... 51
FIGURE 15.4: TS1 ID TERMINAL STRIP RESISTORS TABLE....................................................... 51
16. ORDERING REPLACEMENT PARTS......................................................................................................... 51
17. FACTORY REPLACEMENT PARTS........................................................................................................... 52
18. CHARGER SCHEMATIC ............................................................................................................................. 57
19. CHARGER SPECIFICATIONS .................................................................................................................... 58