D439E Service Manual 3. Engine Electrical System (D439E)
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2. When continuity is tested between (-) regulator
and stator coil lead connector rheostat must show
that the electric current flows In one way If the
electric current flows in both ways replace the
regulator assembly because It means that the
diode is short.
3. When continuity is tested among 4 diodes with
rheostat it must show that the electric current
flows in one way if the electric current flows in
both ways, replace the heat Sink assembly
because it means that the diode is short.
Reassembly
Assembly is performed In the reverse order of
disassembly.
NOTE : When assembling commutator, fix the brush
with wire. Assemble the commutator after fixing the
brush with wires through small hole of the
commutator. Then, remove the wire before
assembling the rear cover.