Clark GPX17E Посібник з експлуатації - Сторінка 8
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ClRRU
Piston Ring
1.
2.
Check the piston ring for damage, excessive
wear, and breakage and replace if defects are
evident. If the piston has been replaced with a
new one, the piston rings must also be replaced
with new ones. (Or, replace piston and rings as an
assembly.)
Check for the clearance between the piston ring
and ring groove. If the limit is exceeded, replace
the ring or piston, or replace piston and rings as
an assembly.
3.
Standard value: 0.03
-
0.07 mm (0.0012- 0.0028
in.)
Limit: 0.1 mm (0.004 in.)
Install the piston ring into the cylinder bore. Force
it down with a piston, its crown being in contact
with the ring, to correctly position it at right angles
to the cylinder wall. Then, measure the end gap
with a feeler gauge. If the ring gap is excessive,
replace the piston ring.
I
4bEndgap
Piston ring
Standard
value:
No. 1: 0.25 -, 0.40 mm (0.0098
-
0.0157 in.)
No. 2: 0.45
-
0.60 mm (0.0177
-
0.0236 in.)
Oil Ring: 0.10 - 0.40 mm (0.0039
-
0.0157 in.)
Limit:
No. 1, No. 2: 0.8 mm (0.031 in.)
Oil Ring: 1 .O mm (0.039 in.)
Crankshaft Pin Oil Clearance (Plastic Gauge Method)
1.
2.
3.
4.
5.
Remove oil from the crankshaft pin and the con-
necting rod bearing.
Cut the plastic gauge to the same length as the
width of the bearing and place it on the crankshaft
pin in parallel with its axis
Install the connecting rod capcarefully and tighten
the bolts to the specified torque
Carefully remove the connecting rod cap.
Measure the width of the plastic gauge at its
widest part by using the scale printed on the
plastic gauge package.
m
0
1
0
w
Standard value: 0.02
-
0.05 mm (0.0008
-
0.0020
in.)
Limit: 0.1 mm (0.004 in.)
00-3-54
.
Engine
SM 619, Jan '98