Tightening Fasteners; Standard Torque Chart - Yanmar 2V Series Operation Manual

Tightening Fasteners

Use the correct amount of torque when you tighten
fasteners on the machine. Applying excessive
torque may damage the fastener or component and
not enough torque may cause a leak or component
failure.

STANDARD TORQUE CHART

Thread size × Pitch mm
in·lb
Tightening Torque
N·m
kgf·m
2V Operation Manual
M6×1.0
96 ± 9
ft·lb -
10.8 ± 1.0 25.5 ± 2.9
1.1 ± 0.1
The tightening torque in the Standard
Torque Chart (Page 69) should be
applied only to the bolts with a "7" head.
(JIS strength classification: 7T)
• Apply 60% torque to bolts
that are not listed.
• Apply 80% torque when
tightened to aluminum alloy.
M8×1.25 M10×1.5
- -
19 ± 2 36 ± 4
49.0 ± 4.9
2.6 ± 0.3 5.0 ± 0.5
PERIODIC MAINTENANCE
CAUTION
M12×1.75 M14×1.5
- -
65 ± 7 101 ± 7
88.3 ± 9.8 137.0 ± 9.8
9.0 ± 1.0 14.0 ± 1.5
0000023en2VOM
M16×1.5
-
167 ± 7
226.0 ± 9.8
23.0 ± 2.0
69