Inspection Of Alternator - Toyota 1C Repair Manual

CHARGING SYSTI:M - Alternator
CM0o7 •
6. REMOVE ROTOR FROM DRJVE END FRAME
Using a press and socket
wrench.
press out the rotor
spacer collars.
7. REMOVE RECTIFIER END FRAME FROM STATOR ~lrND
RECTIFIER HOLDER
la) Remove the
two
rubber caps.
fbl
Remove the four nuts, condense r and two insula• toors.
(cl Remove the rectifier end -frame from the sta tor . ·
Id) Remove the two insulators and two collars fronn .
the
rectifier holder ~ds.
8. UNSOLDER STATOR LEADS FROM RECTIFIER
HOLDER
CAUTION : Protect rectifiers from heat us ing p:>l i iers
and small wattage soldering iron. · -
INSPECTION OF ALTERNATOR
Rotor
1.
INSPECT ROTOR FOR OPEN CIRCUIT
Using an ohmmeter, check fo r continuity
between th -.ee slip
rings .
Sta ndard res istan ce:
w/
IC regulator Approx. 2.9
a
w/o IC regulator Approx. 4 .0
!l
If there is no continuity . replace the rotor.
2. INSPECT THATROTOR IS NOT GROUNDED
Using an ohmmeter, check tha t there is no continui 1
""tVf/
be-
tween the slip ring and rotor .
If there is continuity. replace the rotor.
3. INSPECT SLIP RINGS
Check that the slip rings are not rough or scored .
If rough or scored, replace the rotor .