Toyota B User Manual

ENGINE
MECHANICAL
-
Engine Tune-up
EM-21
ssively
replace
lir
from
ite
it up
vater
is
nent or
:LT
,1
)
(r)
\u'
Front
<_
First
EM61 33
EM61 32
Second
ADJUSTMENT OF
VALVE
CLEARANCES
1.
WARM
UP
ENGINE
Allow
the engine
to reach
normal
operating
temperature.
2. REMOVE
CYLINCER
HEAD
COVER
3. SET
NO. 1
CYLINDER
TO TDC,/COMPRESSION
(a)
Align the
groove
on
the
pulley
with
the
timing
gear
cover
groove
by
turning the crankshaft
clockwise
with
a
wrench.
(b)
Check that the
rocker arms on the
No. 1 cylinder are
loose
and
rocker arms on the
No. 4
cylinder
are tight.
lf not,
turn the crankshaft one
revolution
(3600)
and align
the
mark
as
above.
4. ADJUSTVALVE CLEARANCES
(a)
Measure only those
valves indicated by arrows.
Valve
clearance
(Hot):
lntake O.2O mm
(O.OO8
in.)
Exhaust 0.36
mm
(O.O14
in.)
Using
a thickness
gauge,
measure
the
valve clear-
ance between
the valve stem
cap and
rocker arm.
Loosen the lock
nut
and
turn the adjusting screw
to
set
the
proper
clearance.
Hold the adjusting
screw
in
position
and tighten
the
lock nut.
Recheck the valve
clearance.
The
thickness
gauge
should
slide
with
a
very slight drag.
(b)
Turn the crankshaft one
revolution
(3600)
and align
the
mark
as
above.
Adjust
only
the valves
indicated by arrows.
INSTALL CYLINDER
HEAD
COVER
5.

Toyota B Specifications

General

Brand	Toyota
Model	B
Category	Engine
Language	English