Toyota 12H-T, Руководство по ремонту

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CH - 1 4 C H A R G I N G SYSTEM
-
Alternator
I N S PECTI O N O F ALTE RNATOR
Rotor
'- INSPECT ROTOR FOR OPEN CIRCUIT
Using a n ohmmeter. check t h o ! there is continuity bel­
ween the slip rings.
S t a ndard
resista nce:
w/o Ie regulator 1 2V type 3.9-4.1
0:
24V type 1 8 .8- 1 9.2
n
wi
Ie
regulator
1 2 V type 2 . 8 -3.0
n
24V type 8 . 8 - 9 . 2
0:
If there is no continuity. replace the rotor.
2. I N SPECT ROTOR F O R GRO U N D
Using an oh mmeter. check that t h e re is no continuity bel ­
ween the slip ring and the rotor
I f there is continui ty, replace the rOlor.
3. INSPECT SLIP R I N G S
(t1)
C h e c k t h a t the slip r i n g s a r e not r o u g h or scored
rough
or
scored, replace the rotor.
(b) Using calipers, measure the slip ring diameter.
Standard diameter:
32.3 - 32.5
m m
1 1 . 2 7 2 - 1 .280
in.)
Minimum
d i a m e t e r :
3 2 . 1 mm { 1 .264
i n . !
If t h e diameler is less Ihan minimum, replace the rotOr.
Stator
1. I N S PECT STATOR FOR OPEN C I RC U I T
Using a n Ohmmeter,
check
lhat t here is c o n t i n u i t y bet­
ween t h e coil leads.
If the r
e
is no continuily, replace the stator
2. I N S PECT STATOR FOR GRO U N D
Using a n ohmmeter, check l ilal there is no continuity bet­
ween the coil leads and stator core.
I f t h ere is contin uity. replace the stator.
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