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Service Manual Mitsubishi SL-Series diesel engines
Version 08/2004
ENGLISH
TIGHTENING TORQUES SERVICE DATA
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56.2 Torques for bolts and nuts with
standard threads
Unit: kgf·m (lbf·ft) [N·m]
56.3 Torques for plugs with
taperlock threads
Unit: kgf·m (lbf·ft) [N·m]
Thread diameter
Identification on head
4 7
M6
0.4 ± 0.1
(3 ± 0.7)
[3.9 ± 1]
0.9 ± 0.1
(6.5 ± 0.7)
[8.8 ± 1]
M8
1.1 ± 0.1
(8 ± 0.7)
[10.8 ± 1]
1.85 ± 0.35
(13.4 ± 2.5)
[18 ± 3]
M10
2.15 ± 0.35
(15.6 ± 2.5)
[21 ± 3]
3.6 ± 0.6
(26 ± 4.3)
[35.3 ± 6]
M12
3.6 ± 0.6
(26 ± 4.3)
[35.3 ± 6]
6.5 ± 1
(47 ± 7)
[63.7 ± 10]
M14
6 ± 1
(43 ± 7)
[59 ± 10]
9.5 ± 1.5
(69 ± 11)
[93.2 ± 15]
Size For aluminium materials For ferrous materials
NPTF 1/16
0.65 ± 0.15
(4.7 ± 1)
[6.4 ± 1]
1 ± 0.2
(7.2 ± 1)
[10 ± 2]
PT 1/8
1 ± 0.2
(7.2 ± 1)
[10 ± 2]
1.85 ± 0.35
(13.4 ± 2.5)
[18 ± 3]
PT 1/4, NPTF 1/4
2.5 ± 0.5
(18 ± 4)
[25 ± 5]
4 ± 0.5
(29 ± 4)
[39 ± 5]
PT 3/8 —
6.5 ± 1
(47 ± 7)
[64 ± 10]