Toyota 3R-B 1969, Repair Manual

Page: 52 / 193

E N G I N E - Major S e r v i c e 3-25
46.340 - 46.350 mm
(1.8244 ~ 1 .8 2 4 8 ")
N o . 2
46.090 ~ 46.100 mm
(1.8146 ~ 1.8 1 5 0 ")
N o . 3
45.840 ~ 45.850 mm
(1.8047 ~ 1 .8 051")
N o . 4
45.590 ~ 45.600 mm
(1.7949 ~ 1.7 9 5 3 ")
N o . 5
45.340 - 45.350 mm
(1.7850 ~ 1 .7 8 5 4")
U / S -0 1 0 :
N o . 1
46.210 ~ 46.220 mm
(1.8193 ~ 1 .8 19 7 ")
N o . 2
45.960 - 45.970 mm
(1.8094 - 1 . 8 0 9 8 " )
N o . 3
45.710 - 45.720 mm
(1.7996 - 1 .8 0 0 0 ")
No .4
45.460 ~ 45.470 mm
(1.7937 ~ 1 .7 9 4 1 ")
N o . 5
45.210 - 45.220 mm
(1.7799 ~ 1 .7 8 0 3 ")
U /S-0 2 0 :
N o . 1
45.955 ~ 45.965 mm
(
1 . 8 0 9 2
~
1
.
8 0 9 6
" )
N o . 2
45.705 ~ 45.715 mm
(1,7994 - 1 .7 9 9 8 ")
N o . 3
45.455 - 45.465 mm
(1.7895 ~ 1 .7 8 9 9 ")
N o . 4
45.205 ~ 45.215 mm
(1.7797 - 1 .7 8 0 1 ")
N o . 5
44.955 * 44.965 mm
(1.7699 ~ 1 .7 7 0 3 ")
Camshaft B e arin g
1. Check the bearings fo r p oor con­
tact, w orn thin, partially melted
o r heavily s c o r e d ,
If n e ce s s a ry , replace the b e a r in g s .
measuring the ^difference between
the camshaft journal diameter and
the bearing inner diameter.
T h e clea ran ce should be 0.025 to
0.066 mm (0.0010 - 0 .0 0 2 5 " ) .
If the clearan ce e x ceed s the limit
of 0.1 mm ( 0 . 0 0 4 " ) , replace the
b e a r in g s .
3. R em ove the expansion plug instal­
led at the r e a r of the camshaft
r e a r bearing. PI ace the Camshaft
B earing R e m o v e r & R ep lac er
09215-40010, and fit a w ren ch
into the slot of the Shaft to prevent
the shaft from turning, and tighten
the Nut with an another w re n c h ,
and then re m o v e the bearin gs.
F i g . 3-42 Replacing Camshaft V4691
B e arin gs
4. If the camshaft bearings require
replacement, the camshaft journals
should be checked thoroughly , and
grind the camshaft first to d e te r­
mine the under size bearin gs.
5. B e fo r e installing the b ea rin gs,
align the oil holes in the bearings
with the holes in the b o r e s .
6. Install the new selected bearings
with Camshaft B e a rin g R e m o v e r
& R e p la c e r 09215-40010.
7. A f t e r installing the under size
b ea rin gs, ream the b earings with
a line re a m e r to obtain the c l e a r ­
ance of 0.025 ~ 0.066 mm (0.001
to 0 .0 0 2 5 ") .
If the b earings selected a r e c o r ­
2. Check the bearing c lea ran ce by