G424F(FE) Service Manual
Chapter 1. General Information
10
Tightening Torque
Tightening Torque Table of Standard Parts
Torque (kg·m)
Bolt nominal diameter
(mm)
Pitch (mm)
Head mark 4
Head mark 7
M5
0.8
0.3 ~ 0.4
0.5 ~ 0.6
M6
1.0
0.5 ~ 0.6
0.9 ~ 1.1
M8
1.25
1.2 ~ 1.5
2.0 ~ 2.5
M10
1.25
2.5 ~ 3.0
4.0 ~ 5.0
M12
1.25
3.5 ~ 4.5
6 ~ 8
M14
1.2
7.5 ~ 8.5
12 ~ 14
M16
1.5
11 ~ 13
18 ~ 21
M18
1.5
16 ~ 18
26 ~ 30
M20
1.5
22 ~ 25
36 ~ 42
M22
1.5
29 ~ 33
48 ~ 55
M24
1.5
37 ~ 42
61 ~ 70
M5
0.8
0.3 ~ 0.4
0.5 ~ 0.6
M6
1.0
0.5 ~ 0.6
0.9 ~ 1.1
M8
1.25
1.2 ~ 1.5
2.0 ~ 2.5
M10
1.25
2.5 ~ 3.0
4.0 ~ 5.0
NOTE:
The torques shown in the table are standard
vales under the following conditions.
1.
Nuts and bolt are made of steel bar and
galvanized.
2.
Galvanized plain steel washers are inserted.
3.
All nuts, bolts, plain washers are dry.
NOTE:
The torques shown in the table are not
applicable,
1.
When spring washers, toothed washers and the
like are inserted.
2.
If plastic parts are fastened.
3.
If oil is applied to threads and surfaces.
NOTE:
If you reduce the torques in the table to the
percentage indicated below under the following
conditions, it will be the standard value.
1.
If spring washers are used : 85%
2.
If threads and bearing surfaces are stained with
oil: 85%
Summary of Contents for G20P-5
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Page 4: ......
Page 31: ...G424F FE Service Manual Chapter 2 Recommended Maintenance 29 ...
Page 36: ...G424F FE Service Manual Chapter 3 Engine Mechanical System 34 MAIN BEARINGS 0 50 UNDERSIZE ...
Page 86: ...G424F FE Service Manual Chapter 3 Engine Mechanical System 84 ...
Page 232: ...G424F FE Service Manual 230 Chapter 8 Basic Troubleshooting ...
Page 234: ...G424F FE Service Manual 232 Chapter 8 Basic Troubleshooting ...