1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 250Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 250

ALTERNATOR DISASSEMBLY 1Remove tenninal nuts, washers and cover from top of brush holder2Remove studs and brush and spring
on bo th sides of bearing to prevent entry of di rtPl ac pi ce of tape over be arin surface on haft to prevent dam 7e to
haft COMPONEN CHECKS ROTOR TEST FOR GROUND fotor or .5 ohms for 32 amp re rotor, rotor windincrs are horted 1With Magneto
Anal yze se lector switch sel on cale No (Continuity), or using V-Q-Tes ter on sca le 1, place one ead on eiLh sli rin and
other lead on rotor shaft or pol es(Figure 7) 2If mete hand on nal zer or V-Q-.A mov to ri ght, rotor grounde dROTOR TEST
FOR OPEN CIRCUIT NOTE: To adjust Mag neto AnalFer m.eter for this est, do not clip mall re and bla leads ,og therTurn No
m.et er scale ad just ing lenob until me er needle lin es up with red line on rig ht side of caLc No2 on me erDIODE TESTS
Each diode be checked ele tricall for shorted or open condition 1With Magneto Analyzer selector s,itch on Scale No3 (Continuity),
or usi ng lester on scale .x 1, plac one ead on each slip ring(Figure 7) 2If meter hand on Analyzer or V-Q-.A does not move