404G2 SERIES TRACTOR OPERATION MANUAL
84
Appendix 2 Tightening Torque Table of Main Bolts and Nuts
No. Installation position specifications
Tightening
torque(N·m)
Intensity
grade
1
Connecting bolt for engine and clutc
housing
M10
41~51
Grade 8.8
2
Connecting bolt and screw for
clutch housing and gearbox
housing, gearbox housing and
rear axle housing, rear axle
housing and lifter housing
M12
73~89
Grade 8.8
3
Connecting bolt and screw for final
transmission housing and gearbox
housing
M12
73~89
Grade 8.8
4
Connecting bolt for differential
housing
M10
41~51
Grade 8.8
5
Connecting bolt for spiral bevel
gear and differential housing
M10×1
46~56
Grade 8.8
6
Connecting bolt for bearing seat of
spiral bevel pinion and rear axle
housing
M12 60-70 Grade 8.8
7
Connecting bolt for differential
gear shaft housing and rear axle
housing
M12
73~89
Grade 8.8
8 Bolt for steering box M14
120~140
Grade 8.8
9
Connecting bolt for driving axis
housing
M16
50~60
10
Connecting bolt for driving wheel
hub and support-hell
M16
200~240
11
Connecting bolt for front wheel
hub and support-hell
M18×1.5
243~285
Grade 8.8