Yanmar 3TNV82A-B, Руководство по обслуживанию

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ENGINE
6-18
TNV DI Service Manual
Crankshaft and Piston Specifications
Piston Ring
Model Inspection Item Standard Limit
Reference
Page
3TNV82A,
3TNV84,
3TNV84T,
4TNV84,
4TNV84T
Top Ring
Ring Groove Width
0.0813 - 0.0819 in.
(2.065 - 2.080 mm)
-
See
Inspection of
Pistons,
Piston Rings
and Wrist
Pin on
page 6-83.
Ring Width
0.0776 - 0.0783 in.
(1.970 - 1.990 mm)
0.0768 in.
(1.950 mm)
Side Clearance
0.0030 - 0.0043 in.
(0.075 - 0.110 mm)
-
End Gap
0.0079 - 0.0157 in.
(0.200 - 0.400 mm)
0.0193 in.
(0.490 mm)
Second Ring
Ring Groove Width
0.0801 - 0.0807 in.
(2.035 - 2.050 mm)
0.0846 in.
(2.150 mm)
Ring Width
0.0776 - 0.0783 in.
(1.970 - 1.990 mm)
0.0768 in.
(2.150 mm)
Side Gap
0.0018 - 0.0031 in.
(0.045 - 0.080 mm)
0.0079 in.
(0.200 mm)
End Gap
0.0079 - 0.0157 in.
(0.200 - 0.400 mm)
0.0193 in.
(0.490 mm)
Oil Ring
Ring Groove Width
0.1581 - 0.1587 in.
(4.015 - 4.030 mm)
0.1626 in.
(4.130 mm)
Ring Width
0.1563 - 0.1571 in.
(3.970 - 3.990 mm)
0.01555 in.
(3.950 mm)
Side Clearance
0.0010 - 0.0024 in.
(0.025 - 0.060 mm)
0.0071 in.
(0.180 mm)
End Gap
0.0079 - 0.0157 in.
(0.200 - 0.400 mm)
0.0193 in.
(0.490 mm)
TNV_DI_SM_A4.book 18 ページ ２００７年１２月６日 木曜日 午前９時２３分