Rocker Arm And Shaft; Camshaft And Timing Gear Train Specifications; Camshaft - Yanmar 2TNV70 Service Manual

ENGINE

Rocker Arm and Shaft

Inspection Item
Arm Shaft Hole Diameter
Shaft Outside Diameter
Oil Clearance

CAMSHAFT AND TIMING GEAR TRAIN SPECIFICATIONS

Camshaft

Inspection Item
End Play
Bend (1/2 the dial gauge reading)
Cam Lobe Height
Gear End
Shaft Outside
Diameter /
Bearing Intermediate
Inside
Diameter
Flywheel End
6-6
Camshaft and Timing Gear Train Specifications
Bushing Inside Diameter
Camshaft Outside Diameter
Oil Clearance
Bushing Inside Diameter
Camshaft Outside Diameter
Oil Clearance
Bushing Inside Diameter
Camshaft Outside Diameter
Oil Clearance
Standard
0.4724 - 0.4732 in.
(12.000 - 12.020 mm)
0.4711 - 0.4718 in.
(11.966 - 11.984 mm)
0.0006 - 0.0021 in.
(0.016 - 0.054 mm)
Standard
0.0020 - 0.0059 in.
(0.05 - 0.15 mm)
0 - 0.0008 in.
(0 - 0.02 mm)
1.3439 - 1.3490 in.
(34.135 - 34.265 mm)
1.5748 - 1.5778 in.
(40.000 - 40.075 mm)
1.5724 - 1.5732 in.
(39.940 - 39.960 mm)
0.0016 - 0.0053 in.
(0.040 - 0.135 mm)
1.5748 - 1.5758 in.
(40.000 - 40.025 mm)
1.5713 - 1.5722 in.
(39.910 - 39.935 mm)
0.0026 - 0.0045 in.
(0.065 - 0.115 mm)
1.5748 - 1.5758 in.
(40.000 - 40.100 mm)
1.5724 - 1.5732 in.
(39.940 - 39.960 mm)
0.0016 - 0.0033 in.
(0.040 - 0.085 mm)
TNV IDI Service Manual
Reference
Limit
Page
0.4752 in.
See
(12.07 mm)
Inspection of
0.4701 in.
Rocker Arm
(11.94 mm)
Assembly on
0.0051 in.
page 6-24
(0.13 mm)
Reference
Limit
Page
See Removal
0.0098 in.
of Camshaft
(0.25 mm)
on page 6-39
0.0020 in.
(0.05 mm)
1.3343 in.
(33.89 mm)
1.5807 in.
(40.150 mm)
1.5711 in.
(39.905 mm)
0.0096 in.
(0.245 mm)
See
1.5787 in. Inspection of
(40.100 mm) Camshaft on
page 6-50
1.5699 in.
(39.875 mm)
0.0089 in.
(0.225 mm)
1.5787 in.
(40.100 mm)
1.5711 in.
(39.905 mm)
0.0077 in.
(0.195 mm)