1
ENGINE
61700·62100'62400 WSM, 11770
Valve Clearance
III IMPORTANT
• Valve clearance must
be
checked and adjusted
when
engine
is
cold.
1.
Remove
the
head cover,
the
glow
plugs and
the
timing
window
cover on
the
clutch housing.
2.
Align
the
"He"
mark line on the flywheel and center
of
timing
window
so
that
the
NO.1
piston
comes
to
the
compression
or
overlap
top
dead center.
3.
Check
the
following
valve clearance marked
with
"0"
using
a feeler gauge.
4.
If
the
clearance
is
not
within
the
factory specifications, adjust
with
the
adjusting screw.
0.145toO.185mm
0.0057
to
0.0073 in.
Factory
spec.
Valve clearance
III
NOTE
•
The
"Te"
marking line on
the
flywheel
is
just
for
No.1
cylinder. There
is
no
"Te"
marking
for
the
other
cylinders.
• No.1 piston comes
to
the T.D.e. position
when
the
window
on
clutch-housing.
Turn
the
flywheel
0.26 rad. (15°)
clockwise and counterclockwise
to
see
if
the
piston
is
at
the
compression
top
dead center
or
the
overlap
position.
Now
referring
to
the
table
below,
readjust
the
valve clearance.
(The piston
is
at
the
top
dead center
when
both
the
IN. and
EX
valves do
not
move;
it
is
at
the overlap position
when
both
the
valves move.)
• Finally
turn
the
flywheel
6.28 rad. (360°) and align the
"Te"
marking line and
the
center
of
timing
window.
Adjust
all
the
other
valve clearance
as
required.
..
After
turning
the
flywheel
counterclockwise
twice
or
three
times, recheck the valve clearance,
firmly
tighten
the
lock
nut
of
the
adjusting screw.
6177F108
,-A
0329F078
[AI Gear
Case
Side
(1)
Timing
Window
(2)
TC
Mark Line
2
3
(3) Valve Clearance
~
0905
model
01005
01105
Adjustable Valve
cylinder arrangement
IN.
EX.
location
of
piston
1st
0
0
When
NO.1
piston
is
compression
top
dead 2nd
0
center
3rd
0
1st
When No.1 piston
is
2nd
0
overlap position
3rd
0
1-518
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