Yanmar 3TNV82A-B Service Manual page 140

ENGINE
(Intake / Exhaust Valve and Guide Cont.)
Inspection Item
Intake
4TNV94L
4TNV98, 4TNV98T
(4-Valve Head)
Exhaust
Intake
4TNV106T
(4-Valve Head)
Exhaust
Valve Guide Projection From
Cylinder Head
Valve Guide Installation Method
6-8
Guide Inside Diameter
Valve Stem Outside
Diameter
Oil Clearance
Guide Inside Diameter
Valve Stem Outside
Diameter
Valve Stem Bend
Guide Inside Diameter
Valve Stem Outside
Diameter
Valve Stem Bend
Guide Inside Diameter
Valve Stem Outside
Diameter
Valve Stem Bend
3TNV82A
3TNV84, 3TNV84T,
4TNV84, 4TNV88
4TNV84T
4TNV94L, 4TNV98,
4TNV98T
4TNV106, 4TNV106T
Cylinder Head Specifications
Standard
0.2756 - 0.2762 in.
(7.000 - 7.015 mm)
0.2734 - 0.2740 in.
(6.945 - 6.960 mm)
0.0016 - 0.0028 in.
(0.040 - 0.070 mm)
0.2756 - 0.2762 in.
(7.000 - 7.015 mm)
0.2732 - 0.2738 in.
(6.940 - 6.955 mm)
0.0018 - 0.0030 in.
(0.045 - 0.075 mm)
0.2759 - 0.2764 in.
(7.008 - 7.020 mm)
0.2734 - 0.2740 in.
(6.945 - 6.960 mm)
0.0019 - 0.0030 in.
(0.048 - 0.075 mm)
0.2759 - 0.2764 in.
(7.008 - 7.020 mm)
0.2740 - 0.2746 in.
(6.960 - 6.975 mm)
0.0013 - 0.0024 in.
(0.033 - 0.060 mm)
0.4606 - 0.4724 in.
(11.70 - 12.00 mm)
0.5791 -0.5905 in.
(14.71 - 15.00 mm)
0.3228 - 0.3346 in.
(8.20 - 8.50 mm)
0.3819 - 0.3937 in.
(9.70 - 10.00 mm)
0.5276 - 0.5354 in.
(13.40 - 13.60 mm)
Cold-fitted
TNV DI Service Manual
Reference
Limit
Page
0.2787 in.
(7.08 mm)
0.2717 in.
(6.90 mm)
See
0.0067 in.
Inspection of
(0.17 mm)
Valve Guides
0.2787 in.
on
(7.08 mm)
page 6-41.
0.2717 in.
(6.90 mm)
0.0067 in.
(0.17 mm)
0.2787 in.
(7.08 mm)
0.2724 in.
(6.92 mm)
See
0.0063 in.
Inspection of
(0.16 mm)
Valve Guides
0.2787 in.
on
(7.08 mm)
page 6-41.
0.2717 in.
(6.90 mm)
0.0071 in.
(0.18 mm)
-
-
See
Reassembly
-
of Valve
Guides on
page 6-44
-
and 6-61.
-
-