780 V6-2849cc 2.8L SOHC B280F (1987)
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Slip rings which are pitted or damaged should be machined. Do not machine to less than the minimum specified diameter. After machining, check for
out-of-round with a dial indicator. Clean slip rings with a fine-grade wet sandpaper.
E16 Carbon brushes
Measure length of brushes between contact surface and brush holder.
Replace brushes if worn or damaged.
E17 Insulation test - 40 V test voltage
Make sure that brushes are insulated from each other, and that:
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the positive brush is insulated from ground.
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Negative brush is connected to ground.
-
Pointer zero = good insulation
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1 mA
= good connection
E18 Bearings