Mazda 626 1981 - 01-21

1
Fig. 1
-7
3
Fig. 1
-7
4
Fig.
1-75
Fig. 1
-7
6
I
:
21
S. Check
the
slack
of
the
oil
pump
drive chain
by
pressing
a finger.
If
the slack exceeds
4.0
mm
(0.157
in),
inst
all the
adjusting
sh
ims between
the
cylinder
block
and
the
oil
pump
body
and adju
st
the
slack
to
be within
4.0
mm
(0.
157
in).
The
thickness
of
the
adjusting shim is
0.15
mm
(0.006
in).
6.
Tight
en
the
nut
for
the
oil
pump
sprocket
to
3.0 -
3.5 m-
kg
(
22
-
25
ft-lb) and
bend
the tab
of
the
lock washer.
7.
AJign
the
keyways
of
the
crankshaft a
nd
sprock
et
and install
the
k
ey
.
Chain adjuster:
1.
Install
the
chain adjuster guide
(49 3953
260)
to
the
ad
ju
ster.
2.
In
sta
ll
the
adjuster
to
the
cylinder block.
Do
not
remove
the
chain adjuster guide until
the
chain adj
ustment
is finished.
Chain guide strip and vibration damper :
I.
Install
the
chain
vi
bratio
n
damper
to
the
cylinder
block and tighten
the
attaching screws.
2. Install
the
chain guide strip. Do
not
tighten the
attaching
screws as
the
tension is adjusted
by
the
strip, which
is
explained
to
the
timing chain
ad-
justment
.