240 L4-2127cc 2.1L SOHC Turbo B21FT FI (1982)
Resistance measurement
Select ohm x 1.
Connect meter probes to slip rings.
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low resistance (approx. 1 ohm) = short circuit
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high resistance (infinite ohm)) = open circuit
F16 Insulation test - stator
Select ohm x 1000.
Connect meter probes between stator body and slip ring.
A high (infinite ohm) resistance should be recorded.
A 40 V test lamp can also be used for this test.
F17 Machining
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.
F18 Carbon brushes
Measure length of brushes between contact surface and brush holder. Replace brushes if worn or damaged.
F19 Insulation test