Maintenance and Installation Instructions
Edition 11.07.2006
8 of 30
Installation
General Instructions
Torque limits in Nm for screws to ZF Standard 148
Torque limits, if not especially indicated, can be taken from the following list:
Metric ISO-Standard thread DIN 13,
Sheet 13
Metric ISO-Fine thread DIN 13,
Sheet 13
Size
8.8
10.9
12.9
Size
8.8
10.9
12.9
M 4
2.8
4.1
4.8
M 8x1
24
36
43
M 5
5.5
8.1
9.5
M 9x1
36
53
62
M 6
9.5
14
16.5
M 10x1
52
76
89
M 7
15
23
28
M 10x1.25
49
72
84
M 8
23
34
40
M 12x1.25
87
125
150
M 10
46
68
79
M 12x1.5
83
120
145
M 12
79
115
135
M 14x1.5
135
200
235
M 14
125
185
215
M 16x1.5
205
300
360
M 16
195
280
330
M 18x1.5
310
440
520
M 18
280
390
460
M 18x2
290
420
490
M 20
390
560
650
M 20x1.5
430
620
720
M 22
530
750
880
M 22x1.5
580
820
960
M 24
670
960
1100
M 24x1.5
760
1100
1250
M 27
1000
1400
1650
M 24x2
730
1050
1200
M 30
1350
1900
2250
M 27x1.5
1100
1600
1850
M 33
1850
2600
3000
M 27x2
1050
1500
1800
M 36
2350
3300
3900
M 30x1.5
1550
2200
2550
M 39
3000
4300
5100
M 30x2
1500
2100
2500
M 33x1.5
2050
2900
3400
M 33x2
2000
2800
3300
M 36x1.5
2700
3800
4450
M 36x3
2500
3500
4100
M 39x1.5
3450
4900
5700
M 39x3
3200
4600
5300
Friction value
:
µ
tot. 0.12
for screws and nuts
without
after-treatment, as well as phosphatized nuts.
Tightened by hand!
