ENGINE
TIMING
BELT
At this time, check that the moveable range
of
teeth on the
oil pump sprocket is according to specifications.
STANDARD
VALUE:
4to 5
teeth
in
forward
direction.
1
to
2
teeth
in
reverse
direction.
REVERSE
4. If the movable range
of
the teeth on the oil pump sprocket
exceeds the specified range, correct as follows:
a. Pull out the round bar from the plug hole in the left
side
of
the cylinder block.
b. Tum the oil pump sprocket one
tum
at a time until the
round bar can again be inserted.
c. Check that the movable range
of
the oil pump sprocket
is in the specified value.
5.
Set the timing belt over the crankshaft sprocket and then
over the oil pump sprocket and camshaft sprocket,
in
that
order.
NOTE:
Ensure
that
the
tension side
of
the
timing belt
is
not
slack.
Keep
the
round
bar inserted until
the
timing belt has
been
placed.
After
this
step,
be
sure
to
remove
the
round
bar.
6. Apply counterclockwise force to the camshaft sprocket
to
make the belt taut on the tension side, and make sure that
all timing marks are lined up.
CAMSHAFT
SPROCKET
TENSION
SIDE
7. Loosen the temperorarily tightened tensioner nut on the
water pump side 1 or 2 turns, and tension the belt making
use
of
the spring force.
8. Tum the crankshaft
clockwise by nine camshaft sprocket
teeth
(81°) to align the timing mark on the camshaft
sprocket with the tensioner set mark on the timing belt
rear cover.
A
CAUTION:
This
operation
is
perfonned
to
give
a
proper
tension
to
the
timing
belt,
so
do
not
tum
the
crankshaft
counterclockwise
and
push
the
belt
to
check
the
tension.
TENSIONER
SET
MARK
9. Make sure that the timing belt teeth are engaged with the
camshaft sprocket teeth along the portion
of
the sprocket
shown by the curved arrow in the illustration below. Then
tighten the tensioner nut.
lO.Pull the timing belt in the center
of
the tension side
toward the sealing gasket line for the
belt
cover,
as
illus-
trated. Make sure that the clearance between the back
of
the belt and the sealing line is the standard value.
STANDARD
VALUE:
O.47in.
(12mm)
SEALING
GASKET
LINE
0.47
In
[12
mml
1l.Pull out the rod from the plug hole on the left surface
of
the cylinder block and apply the specified sealant. Then
tighten the plug to the specified torque.
Specified sealant value: 3M
AID
Part No. 8660 or
equivalent.
T[GHTENING
TORQUE:
11-16
H.lbs.
(15-22
Nm)
Engines & Generators
14
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