Mitsubishi S12A2 User Manual

2-25
Chapter 2 SERVICE DATA
2.9 Tightening Torque for Standard Eyebolts
2.10 Tightening Torque for Standard Union Nuts
2.11 Tightening Torque for Fuel Injection Pipe
Thread size
Dia. × Pitch
(M-thread)
Width across flats
(mm) [in.]
Strength classification
4T
N·m kgf·m lbf·ft
8 × 1.25 12 [0.47] 8 ± 1 0.8 ± 0.1 5.90 ± 0.73
10 × 1.25 14 [0.55] 15 ± 2 1.5 ± 0.2 11.06 ± 1.47
12 × 1.25 17 [0.67] 25 ± 3 2.5 ± 0.3 18.44 ± 2.21
14 × 1.5 19 [0.75] 34 ± 4 3.5 ± 0.4 25.08 ± 2.95
16 × 1.5 22 [0.87] 44 ± 5 4.5 ± 0.5 32.45 ± 3.68
18 × 1.5 24 [0.94] 74 ± 5 7.5 ± 0.5 54.58 ± 3.68
20 × 1.5 27 [1.06] 98 ± 10 10.0 ± 1.0 72.28 ± 7.37
24 × 1.5 32 [1.26] 147 ± 15 15.0 ± 1.5 108.42 ± 11.06
27 × 1.5 41 [1.61] 226 ± 20 23.0 ± 2.0 166.69 ± 14.75
(Dry)
Nominal
Cap nut thread size
Dia. × Pitch
(M-thread)
Width across flats
(mm) [in.]
N·m kgf·m lbf·ft
63 14 × 1.5 19 [0.75] 39 4 28.76
80 16 × 1.5 22 [0.87] 49 5 36.14
100 20 × 1.5 27 [1.06] 78 8 57.53
120 22 × 1.5 30 [1.18] 98 10 72.28
150 27 × 1.5 32 [1.26] 157 16 115.80
180 30 × 1.5 36 [1.42] 196 20 144.56
200 30 × 1.5 36 [1.42] 196 20 144.56
220 33 × 1.5 41 [1.61] 245 25 180.70
254 36 × 1.5 41 [1.61] 294 30 216.84
(Maximum tolerance value: ±10%, dry condition)
Cap nut thread size
Dia. x Pitch
N·m kgf·m lbf·ft
12 x 1.5 39 ± 5 4 ± 0.5 28.8 ± 3.68
14 × 1.5 49 ± 5 5 ± 0.5 36.1 ± 3.68
18 x 1.5 59 ± 10 6 ± 1.0 43.5 ± 7.37
(Dry)

Mitsubishi S12A2 Specifications

General

Brand	Mitsubishi
Model	S12A2
Category	Engine
Language	English