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POWR
CYLINDER
SERVICE POINTS
Cylinder inspection
1. Eliminate:
Carbon deposits
Use a rounded scraper 1 .
2. Inspect:
Cylinder water jacket
Mineral deposits/Corrosion
Cylinder inner surface
Score marks
Use #600
3. Measure:
Cylinder bore "D"
Use cylinder gauge.
Out of limit
NOTE:
Measure the cylinder bore "D" in parallel.
Then, find the average of the measurement.
Cylinder
81.00
bore "D"
(3.189
Taper "T"
Out of
round "R"
D = Maximum (D
T = (Maximum D
D
or D
)
5
6
R = (Maximum D
D
, D
or D
2
4
27
Clean.
Repair or replace.
800 grit wet sandpaper.
Replace.
Standard
Limit
81.02 mm 81.10 mm
3.190 in) (3.193 in)
0.08 mm
–
(0.003 in)
0.05 mm
–
(0.002 in)
D
)
1
6
or D
) – (Maximum
1
2
, D
or D
) – (Minimum
1
3
5
)
6
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