Cub-cadet Yanmar 3TNV72 User Manual Page 110

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ENGINE
TNV IDI Service Manual
6-11
Crankshaft and Pistons Specifications
Piston Ring
Model Inspection Item Standard Limit
Reference
Page
3TNV72
Top Ring
Ring Groove Width
0.0610 - 0.0618 in.
(1.550 - 1.570 mm)
-
See Inspection
of Pistons,
Piston Rings
and Wrist Pin on
page 6-48
Ring Width
0.0579 - 0.0587 in.
(1.470 - 1.490 mm)
0.0571 in.
(1.450 mm)
Side Clearance
0.0024 - 0.0039 in.
(0.060 - 0.100 mm)
-
End Clearance
0.0059 - 0.0118 in.
(0.150 - 0.300 mm)
0.0154 in.
(0.390 mm)
Second Ring
Ring Groove Width
0.0606 - 0.0614 in.
(1.540 - 1.560 mm)
0.0654 in.
(1.660 mm)
Ring Width
0.0579 - 0.0587 in.
(1.470 - 1.490 mm)
0.0571 in.
(1.950 mm)
Side Clearance
0.0020 - 0.0035 in.
(0.050 - 0.090 mm)
0.0083 in.
(0.210 mm)
End Clearance
0.0071 - 0.0130 in.
(0.180 - 0.33 mm)
0.0165 in.
(0.42 mm)
Oil Ring
Ring Groove Width
0.1185 - 0.1193 in.
(3.010 - 3.030 mm)
0.1232 in.
(3.130 mm)
Ring Width
0.1170 - 0.1177 in.
(2.970 - 2.990 mm)
0.1161 in.
(2.950 mm)
Side Clearance
0.0008 - 0.0024 in.
(0.020 - 0.060 mm)
0.0071 in.
(0.180 mm)
End Clearance
0.0059 - 0.0138 in.
(0.150 - 0.350 mm)
0.0173 in.
(0.440 mm)
TNV_IDI_ServiceManual_(3TNV72 for YN only).book 11 ページ 2007年11月29日 木曜日 午後2時58分
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