Yanmar 4TNV98, Service Manual

Page: 75 / 246

4TNV98 & 4TNE98 Diesel Engine Section 3. Engine 73
Cylinder Block Specifications
Cylinder Block
Inspection Item Standard Limit
Reference
Page
Cylinder Inside Diameter
3.8583 - 3.8594 in.
(98.000 - 98.030 mm)
3.8634 in.
(98.130 mm)
Roundness
Cylinder Bore
Taper
0.0004 in. (0.01 mm)
or less
0.0012 in.
(0.03 mm)
See
Inspection
of Cylinder
Block on
page 121.
Special Torque Chart
Torque for Bolts and Nuts
Component
Thread Diameter
and Pitch
Torque
Lubricating Oil
Application
(Thread Portion
and Seat Surface)
Cylinder Head Bolt M11 x 1.25 mm
76 - 83 ft·lb
(103.1 - 112.9 N·m;
10.5 - 11.5 kgf·m)
Applied
Connecting Rod Bolt M10 x 1.0 mm
40 - 43 ft·lb
(53.9 - 58.8 N·m;
5.5 - 6.0 kgf·m)
Applied
Flywheel Bolt M14 x 1.5 mm
137 - 152 ft·lb
(186.2 - 205.8 N·m;
19 - 21 kgf·m)
Applied