Yanmar 4TNV98 - Thrust Bearing

ENGINE
TNV DI Service Manual
6-15
Crankshaft and Piston Specifications
(Crankshaft Cont.)
Thrust Bearing
Inspection Item Standard Limit
Reference
Page
Main Bearing Journal
3TNV82A
Journal Outside
Diameter
1.8485 - 1.8489 in.
(46.952 - 46.962 mm)
1.8465 in.
(46.902 mm)
See
Inspection of
Crankshaft
on
page 6-86.
Bearing Inside
Diameter
1.8504 - 1.8516 in.
(47.000 - 47.032 mm)
-
Bearing Insert
Thickness
0.0782 - 0.0787 in.
(1.987 - 2.000 mm)
-
Oil Clearance
0.0015 - 0.0031 in.
(0.038 - 0.080 mm)
0.0059 in.
(0.150 mm)
3TNV84,
3TNV84T,
3TNV88,
4TNV84,
4TNV84T
4TNV88
Journal Outside
Diameter
1.9666-1.9670 in.
(49.952-49.962 mm)
1.9646 in.
(49.902 mm)
Bearing Inside
Diameter
1.9685 - 1.9693 in.
(50.000 - 50.020 mm)
-
Bearing Insert
Thickness
0.0785 - 0.0791 in.
(1.995 - 2.010 mm)
-
Oil Clearance
0.0015 - 0.0027 in.
(0.038 - 0.068 mm)
0.0059 in.
(0.150 mm)
4TNV94L,
4TNV98,
4TNV98T
Journal Outside
Diameter
2.5572 - 2.5576 in.
(64.952 - 64.962 mm)
2.5552 in.
(64.902 mm)
Bearing Inside
Diameter
2.5590 - 2.5598 in.
(65.000 - 65.020 mm)
-
Bearing Insert
Thickness
0.0785 - 0.0791 in.
(1.995 - 2.010 mm)
-
Oil Clearance
0.0015 - 0.0027 in.
(0.038 - 0.068 mm)
0.0059 in.
(0.150 mm)
4TNV106,
4TNV106T
Journal Outside
Diameter
2.9902 - 2.9906 in.
(75.952 - 75.962 mm)
2.9883 in.
(75.902 mm)
Bearing Inside
Diameter
2.9927 - 2.9935 in.
(76.014 - 76.034 mm)
-
Bearing Insert
Thickness
0.0980 - 0.0985 in.
(2.488 - 2.503 mm)
-
Oil Clearance
0.0020 - 0.0032 in.
(0.052 - 0.082 mm)
0.0059 in.
(0.150 m
m)
Inspection Item Standard Limit
Reference
Page
Crankshaft End Play - All Models
0.0051 - 0.0091 in.
(0.13 - 0.23 mm)
0.0110 in.
(0.28 mm)
See Removal
of Crankshaft
on
page 6-80.
TNV_DI_SM_A4.book 15 ページ ２００７年１２月６日 木曜日 午前９時２３分