Mazda 121 - Connecting Rod Cap; Connecting Rod; Piston Ring;Pin

DISASSEI'BLY
Disassembly
Note
Connecting
rod
caP
d-torJie.dving
tne'connecting
rod
caps'
measure
the con-
ieciino roo
sid6
clearance
(Reler to
page
B 66
)
Connectlnq
rod
1. Before
re;ovrng
lne
connecing
rods'
measure
the
connect
ino roo
oil clea'rance-
(Refer
to
page
B-57
)
2. Remove
ihe
Plastigage
from
the
crankpin
iournals'
Caulion
l-do-not
""rar"tt
ttt" clankshaft
iournal
or
the cylin-
der
wall.
3. Use
the
handle
ot
a
hammer
to
remove
the
pl$on
and
con-
-
i*tlng
t;
uo".uly
through
the
top
of
the cylinder
block
Pision
ring
Caution
.
oJ not
appty
excessive
tension,
which
may
cause
the
rings
to
anap
oul.
Remove
the
piston rings
with
a
piston ring
expander
(com-
merciallv
available)
Plston oin
Caution
.
Ma* lhe
connecting
rod
direction
fol
proPer
reas-
sembly.
'1.
Before
disassembling
the
piston and
connecting
rod'
check
the
oscillation
torque
as
shown.
iiin"luioe
Lno
aoe"
not
drop
by
its own
weight,
replace
the
piston
or
the
Piston
Pin
B-46