Toyota 2F - Page 88

7-10
STARTING SYSTEM - Start er
Fig. 7-25
Fig. 7· 26
(3)
U se #400 sa ndpaper 10 smoo th the
co1nmutator surface
Runou1
Correct on a lathe 1f 11 e>cceds the llm11
Run out :
STD Less than 0. 1 n1 n1
C0.004 in .)
L imit 0.3 n1n1
(0.0 12 in .)
Fig. 7· 29
Fig. 7- 27 Fig. 7- 31
~ 5 .
Surface wear
Fig. 7-28
Replace the armature if be l ow the lim11
Co n1 mutator outer diameter:
STD 32 .7 m m
( 1.287 in .I
li mit 31 mm
(1 . 22 in.)
Armature Coil
1. Ground test
Check lhe comn1u 1a1 or and a1ma1ure coi l
co re It 1here is continuity. 1 he a rm ature 1s
grounded and must be replaced.
STARTING SYSTEM - Starter 7 - 1 1
~ 2.
Short circu11 tes t
Place 1h e armilture on an arma tur e tester
and ho ld a hacksaw blade against the
ar ma t ure core while turning the armature.
If the hacksaw blade is aurac1ed or vibr ·
at es. the armatu re is shorted and must be
replaced.
Solder cond11ion
Check
for continuity between the com·
muta 1 or and arrna t ure coil.
Field Coil
Open circuit test
Check
for cont 1 nu 1t y between the lead
w11e and soldered connection of the field
coil br ush. H there is no continuity. I h ere is
an open circui t in th e field coil and n
should be replaced.
Ground test
Check lor con11nu 1 1y be 1w eon the field coil
end and field frame.
If there is continuity. repair 01 replace the
field co il.