Yanmar 2TNV70 - Special Torque Chart; Torque for Bolts and Nuts

ENGINE
TNV IDI Service Manual
6-13
Special Torque Chart
SPECIAL TORQUE CHART
Torque for Bolts and Nuts
See Tightening Torques for Standard Bolts and Nuts on page 4-26 for standard hardware torque values.
Component
Thread Diameter and
Pitch
Tightening Torque
Lubricating Oil
Application (Thread
Portion and Seat
Surface)
Reference Page
Cylinder Head Bolts M9 x 1.25 mm
40 - 43 ft·lb
(53.9 - 57.9 N·m;
5.5 - 5.9 kgf·m)
Applied
See Reassembly of
Cylinder Head on
page 6-29
Connecting Rod Bolts M7 x 1.0 mm
17 - 20 ft·lb
(22.6 - 27.5 N·m;
2.3 - 2.8 kgf·m)
Applied
See Installation of
Pistons on page 6-56
Flywheel Bolts M10 x 1.25 mm
59 - 64 ft·lb
(80.4 - 86.4 N·m;
8.2 - 8.8 kgf·m)
Applied
See Installation of
Crankshaft on
page 6-55
Main Bearing Cap Bolts M10 x 1.25 mm
56 - 60 ft·lb
(75.5 - 81.5 N·m;
7.7 - 8.3 kgf·m)
Applied
See Installation of
Crankshaft on
page 6-55
Crankshaft
Pulley Bolts
Cast
FC250
M12 x 1.25 mm
61 - 69 ft·lb
(83.4 - 93.1 N·m;
8.5 - 9.5 kgf·m)
Applied
See Installation of
Crankshaft on
page 6-55
Forged
PS48C
83 - 90 ft·lb
(113 - 123 N·m;
11.5 - 12.5 kgf·m)
Glow Plug M10 x 1.25
11 - 15 ft·lb
(14.7 - 19.6 N·m;
1.5 - 2.0 kgf·m)
Not Applied
See Reassembly of
Intake Manifold / Valve
Cover on page 6-31
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