Assembly Of Cylinder Head - Toyota 3b Repair Manual

EM-44
ENGINE MECHANTCAL
-
Cytinder Head
15.
INSPECT PUSH RODS
(a)
Place
the push rod on V-blocks.
(b)
Using
a dial indicator,
measure
the circle runout
at
the center of the push
rod.
Maximum circle
runout:
O.5O
mm (O.0197 in.)
lf the circle runout is
greater
than
maximum, replace the
push
rod.
16.
INSPECT INTAKE AND
EXHAUST MANIFOLDS
Using a precision straight edge and thickness gauge, mea-
sure the surface contacting the cylinder
head
for warpage.
Maximum
warpage:
O.2O
mm
(O.OO79
in.)
lf warpage
is
greater than maximum, replace the manifold.
ASSEMBLY
OF
CYLINDER HEAD
(See page
EM-29)
B and
38
(See page EM-3O)
1
1
B
and
148
HINT:
o
Throughly clean all parts to be assembled.
.
Before installing
the parts, apply new engine
oil to
all
sliding and rotating surfaces.
.
Replace
all gaskets and oil seal
with
new
ones.
1.
IB
AND 3Bl
INSTALL COMBUSTION CHAMBERS
(a)
Align the
combustion chamber knock
pin with
the
cylinder head notch.
(b)
Using a plastic-faces hammer, tap in the combustion
chamber.
(c)
Using
a
dial indicator,
check the combustion chamber
protrusion.
Combustion chamber protrusion:
Minus
O.O5
-
Plus
O.O5
mm
(Minus
O.OO2O
-
Plus
O.OO2O
in.)
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