Page
34
of
55
Maintenance and servicing
13.3
Screw connections
Check bolts and nuts for the first time after five hours of operation and then
tighten them regularly (every 50 hours of operation).
All torques M
A
are standard values for metric standard threads according to
DIN. Friction coefficient 0.14 - new bolts - unlubricated. The values were
recommended as guide values by different bolt manufacturers. We cannot
assume liability for use.
Self-locking nuts must be replaced after each dismantling.
Thread
3.6
5.6
6.8
8.8
10.9
12.9
13.4
Tensioning the V-belt
Fig. 19 - Tensioning V-belt
Engine V-belt
When the engine cover is raised, the engine V-
belt is on the right in the direction of travel. To
adjust and tension the belt, the screw
connections of the alternator must be
loosened. The belt can be adjusted via the
curved guide. When finished, tighten the
screws properly
.
M6
3.43
4.51
8.73
10.3
14.71
17.65
M8
8.24
10.79
21.57
25.50
35.30
42.17
M10
16.67
21.57
42.17
50.01
70.61
85.32
M12
28.44
38.25
73.55
87.28
122.58
147.10
M14
45.11
60.80
116.70
135.27
194.17
235.36
M16
69.63
93.16
178.46
210.84
299.10
357.94
M18
95.13
127.40
245.17
289.30
411.88
490.34
M20
135.33
180.44
348.14
411.88
576.50
669.26
M22
162.40
245.17
470.72
558.98
784.45
941.44
