6H-12 CHARGING SYSTEM
Overcharged battery
1) To determine battery condition, refer to “Battery” section.
2) If obvious overcharge condition exists as evidenced by
excessive spewing of electrolyte, measure generator B ter-
minal voltage at engine 2000 rpm.
3) If measured voltage is higher than upper limit value, proceed
to disassembly section of generator service.
4) Check ground of brushes. If brushes are not grounded,
replace IC regulator. Then check field coil for grounds and
shorts, referring to “Inspection” section.
[A] : 60 A type
[B] : 70 A and 80 A types
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