(3)
Replacing Cylinder Liners C) Replace the liner rubber packings with a
new one.
Cylinder liners
-
judged to be unacceptable by
visual inspection and inspection by testing
equip-
d) Coat the liner with water-proofing paint.
ment
-
are replaced in the following procedure:
e)
Remove the cylinder liner and insert a
new liner.
f)
After
it
has been inserted, inspect
it
using
the procedures previously described to ascer-
tain that there is no contraction of the liner.
2.
PISTONS
The oval type pistons are made from
LOW-X
ma-
terial
(Aluminum alloy) which has good heat dis-
sipation properties.
Cyl.
liner
replacer
A
(1)
Visual inspection
a)
Extmct the cylinder liner with
a
cy1inde.r
Check the pistons for scoring or cracks. Also
liner replacer.
check the piston ring grooves for chips or any
wear in their edges.
b)
Clean the grooves provided for the rubber
packing of the liner.
(2)
Inspecting by Testing Equipment
h
Replacement limit
-0.0078 (-0.21
-0.0078 (-0.21
0.01 18
(0.31
Standard dimension
2.8697-2.8709
173-0.078
-0.109
I
2.9484-29496
-OD78
(75-o.io91
0.0063-0.0068
10.1MI-0.173)
1.
2
[Unit:
in
(rnrnll
Testing equipment
Micromerer
Item
Outer
diameter
of
piston
YM135lDl
YM155(01
Clearance
between
pinon
and cylinder
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