JAC J2 User Manual



Maintenance Manual for J2 Sedan
Mechanical Part of Engine
84
b.
Install
first
and
second
piston
rings.
Install first and second piston rings with the
identificat
ion marks facing upwards (on the piston top side)
by using expander.
Notes: Pisto
n ring openin
g direction
⑧
Install bearing shell
onto the
connecting rod and
the connecting
rod cover.
■
Apply engine
oil onto
bearing
surface of
shells b
efore instal
lation.
Do not
use engi
ne oil
on the
back but to thoroughly clean it.
⑨

Install
piston
and
connecting
rod
assembly
onto
the
crankshaft.
■
Place
the
crankshaft journal
which is
correspond
ing
to the
connecting rod
to
be
mounted a
t
the just
center of bottom.
■
Apply suf
ficient engine
oil
onto
cylinder
bore,
piston
and c
rankshaft
journal.
■
Align
air
ring
opening
with
oil
ring
opening.
See
Fig.1.1.097.
■
Install
piston
rod
assembl
y in
corresponding
cylinder
accordi
ng to
marks
on
connec
ting ro
d.
■
Make su
re that
the fron
t mark
on piston
top face
s to
timing be
lt, and
then
press th
e piston
and
connectin
g rod
assembly into the cylinder from the
cylinder upside.
Schematic Diagram for Piston Ring Location
Opening
direction
of
first
gas
ring
Opening
direction
of
combined
oil
ring
lower blade
Opening direction of lining
ring of combined oil ring
Opening direction of combined oil ring upper blade
Opening direction of second gas
ring
Engine front-end
Schematic Diagram for Piston Ring Location
Opening
direction
of
first
gas
ring
Opening
direction
of
combined
oil
ring
lower
blade
Opening direction of lining
ring of combined oil ring
Opening direction of second gas ring
Opening direction of combined oil ring upper blade
Engine front-end

JAC J2 Specifications

General

Brand	JAC
Model	J2
Category	Automobile
Language	English