Yanmar 3TNV84 - Camshaft

ENGINE
TNV DI Service Manual
6-11
Camshaft and Timing Gear Train Specifications
CAMSHAFT AND TIMING GEAR TRAIN SPECIFICATIONS
Camshaft
Inspection Item Standard Limit
Reference
Page
End Play
0.0020 - 0.0079 in.
(0.05 - 0.20 mm)
0.0118 in.
(0.030 mm)
See Removal
of Camshaft
on
page 6-76.
Bend (1/2 the dial gauge reading)
0 - 0.0008 in.
(0 - 0.02 mm)
0.0020 in.
(0.05 mm)
See
Inspection of
Camshaft on
page 6-87.
Cam Lobe Height
3TNV82A, 3TNV84,
3TNV84T, 3TNV88, 4TNV84,
4TNV84T, 4TNV88
1.5197 - 1.5276 in.
(38.600 - 38.800 mm)
1.5098 in.
(38.350 mm)
4TNV94L, 4TNV98,
4TNV98T
1.7087 - 1.7165 in.
(43.400 - 43.600 mm)
1.6988 in.
(43.150 mm)
4TNV106, 4TNV106T
2.0039 - 2.0118 in.
(50.900 - 51.100 mm)
1.9941 in.
(50.650 mm)
Shaft Outside Diameter / Bearing Inside Diameter
3TNV82A,
3TNV84,
3TNV84T,
3TNV88,
4TNV84,
4TNV84T,
4TNV88
Gear End
Bushing Inside Diameter
1.7713 - 1.7738 in.
(44.990 - 45.055 mm)
1.7768 in.
(45.130 mm)
See
Inspection of
Camshaft on
page 6-87.
Camshaft Outside Diameter
1.7687 - 1.7697 in.
(44.925 - 44.950 mm)
1.7673 in.
(44.890 mm)
Oil Clearance
0.0016 - 0.0051 in.
(0.040 - 0.130 mm)
0.0094 in.
(0.240 mm)
Intermediate
Bore Inside Diameter
1.7716 - 1.7726 in.
(45.000 - 45.025 mm)
1.7756 in.
(45.100 mm)
Camshaft Outside Diameter
1.7681 - 1.7691 in.
(44.910 - 44.935 mm)
1.7667 in.
(44.875 mm)
Oil Clearance
0.0026 - 0.0045 in.
(0.065 - 0.115 mm)
0.0089 in.
(0.225 mm)
Flywheel End
Bore Inside Diameter
1.7716 - 1.7726 in.
(45.000 - 45.025 mm)
1.7756 in.
(45.100 mm)
Camshaft Outside Diameter
1.7687 - 1.7697 in.
(44.925 - 44.950 mm)
1.7673 in.
(44.890 mm)
Oil Clearance
0.0020 - 0.0039 in.
(0.050 - 0.100 mm)
0.0083 in.
(0.210 mm)
TNV_DI_SM_A4.book 11 ページ ２００７年１２月６日 木曜日 午前９時２３分