MAINTENANCE STANDAROS
Thread Width
Tightening Torque
Description Dia. x Pitch across flats,
Remark
(M-thread)
mm
N·m
kgf-m lbf-ft
Overheat warning unit
M16 x 1.5 19 20.6 to 24.5
2.1 to 2.5 15.2 to 18.1
(thermostat)
Starter terminal B M8 x 1.25 12 9.81 to 11.8 1.0 to 1.2
7.23 to 8.68
Plug
M16 x 1.5 24 39.2 to 49.0
4.0 to 5.0 28.9 to 36.2 Cylinder head
Balancer
M8 x 1.25
12
27.5 to 33.4
2.8
to 3.4 20.3 to 24.6
Fuel injection
pump
M12 x 1.0
17
16.0 to 23.0 1.6 to 2.3
11.6
to 16.6
feed pipe (flare)
Fuel injection
pump
eye bolt
M14x
1.5 22 15.0 to 20.0
1.5 to 2.0 10.8 to 14.5
Fuel injection
pump
17
15.0 to 20.0
1.5 to 2.0 10.8 to 14.5
overflow valve
Oil level sensor
1-1/16-12
24 49.0 to 58.8
5.0 to 6.0 36.2 to 43.4
2.2
Standard
BoUs
Thread
Diameter
Torque
(mm)
4T
7T
N·m
kgf-rn lbf-ft N·m
kgf-rn
Ibf-ft
M6
2.94 to 4.90 0.3 to 0.5
2.17t03.62
7.89 to 9.80 0.8 to 1.0
5.79 to 7.23
M8
9.80 to 12.7 1.0 to 1.3 7.23 to 9.40
14.7 to 21.6 1.5 to 2.2
10.8 to 15.9
MlO
17.7t024.5
1.8 to 2.5
13.0 to 18.1 29.4 to 41.2
3.0 to 4.2
21.7 to 30.4
M12
29.4 to 41.2 3.0 to 4.2
21.7 to 30.4 53.9 to 73.5 5.5 to 7.5 39.8 to 54.2
2.3
Standard
Studs
Thread
Diameter
Torque (tap end)
(mm)
For driving in aluminummaterials
Fordrivingin ferrousmaterials
N-m
kgf-m
lbf-ft
N·m
kgf-rn lbf-ft
M8 4.90 to 5.90 0.50 to 0.60 3.62 to 4.34
11.8to 13.7 1.2 to 1.4 8.68 to 10.1
MlO
12.7 to 14.7 1.3 to 1.5
9.40 to 10.8 21.6 to 25.5 2.2 to 2.6 15.9 to 18.8
2.4
Standard
Plugs
Torque
Thread
Diameter
For aluminum materials
For ferrous materials
N·m
kgfm
lbf-ft N·m
kgf-rn lbf-ft
NPTF
1/l6
4.90 to 7.85
0.5 to 0.8 3.62 to 5.79
7.85 to 11.8 0.8 to 1.2 5.79
to 8.68
PT 1/8 7.85 to 11.8 0.8 to 1.2 5.79 to 8.68
14.7 to 21.6 1.5 to 2.2 10.8 to 15.9
PT 1/4,
NPTF
1/4 19.6 to 29.4 2.0 to 3.0
14.5 to 21.7 34.3 to 44.1 3.5 to 4.5 25.3 to 32.5
PT3/8
-
-
- 53.9 to 73.5
5.5 to 7.5 39.8 to 54.2
Remarks: 1.
The
torque values shown above are for the balts with spring washers.
2. Do not apply any oil to the bolt threads.
2-10
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