Valtra Small A Series, Service Manual

Page: 19 / 31

Dim.
1
)
2
)
3
)
Common tightening torques
If in the repairing instructions have not been given specified tightening torque to screw or nut, use tightening torque which
are mentioned in table below.
Tightening torques, metric standard thread (ISO)
Tightening torques Nm1)
Quality, surface treatment, material and so on
8.8
lubr.
tol.±
8.8
Zne
2
)
tol±
8.8
Znk
3
)
tol. ±
10.9
lubr.
tol. ±
12.9
lubr
tol. ±
M4 - - - - -
M5 6,4 0,6 5,7 0,5 - 9 1 11 1
M6
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
M30 11
25
50
90
140
220
300
430
570
740
1100
1500 1
2
5
10
15
20
30
40
60
70
100
150 10
23
45
80
125
195
270
380
500
660
950
1300 1
2
5
8
10
20
30
40
50
70
100
130
12
30
60
100
160
250
350
480
650
830
1200
1600 1,2
3
5
10
15
25
35
50
65
80
120
160 15
35
70
125
200
300
430
600
800
1030
1500
2040 1,5
4
7
10
20
30
40
60
80
100
150
200 18
45
90
151
240
370
510
720
970
1250
1800
2500 2
5
10
15
20
40
50
70
100
120
180
250
1 Nm=0,102 kpm
Zne=zinc electroplating
Znk=hot galvanized
If the bolts differs from the standard range the values in the table must not be used.
17
13. REPAIR
Issue No.
1 02.12.2013
Model
A53/63/73
Code
130
Page
6