Inspection And Repair; Piston Pin; Piston; Piston Ring - Isuzu c223 turbo Workshop Manual Supplement

2-2
ENGINE ASSEMBLY
INSPECTION
AND
REPAIR
Piston pin
Visually inspect for
damage,
wear or other
abnormal conditions.
Outside diameter
Measure
ference.
at
several points
Fitting interference between piston pin and
piston pin
hole.
Piston
Clearance
between piston ring and ring grove
Standard
Limit
1st
compression
ring
o.120
- o.155
o.185
2nd
compression ring
0.050
- 0.085
o.1 15
Oilring
0.030
-
0.070 0.100
Piston ring
Remove deposit
of
carbon
from
piston
rings and
check for wear
and damage.
lnsert the piston ring into
bore
and
push
it
in, at a
right angle to
the
wall,
deep
enough to reach
the point where
the
cylinder
bore
diameter is smallest then
measure
the
ring
gap.
Piston ring gap:
tr
@
(mm)
Standard Limit
29.0 28.97
(mm)
114(4.2188in.)
o
o
C
3
.2
1st, 2nd
compression
-
o.4