Airo A Series - Various Adjustments

Use and Maintenance Manual – A12 JE A15 JE A17 JE A12 JED A15 JED
Series
Page 57
7.2.1. Various adjustments
Check the conditions of the following
components and, if necessary, tighten after
the first 10 working hours and, afterwards, at
least once a year:
1) Wheel screws
2) Drive motor fixing screws
3) Steering cylinder fixing screws
4) fixing screws of steering hub pins;
5) cage fixing screws;
6) Hydraulic fittings
7) screws and safety dowels of boom pins;
8) Turntable fixing screws
9) Elastic supports of Diesel motor
generator
For torque wrench setting refer to the table
below.
Fig.16
TORQUE WRENCH SETTING
(S.I. thread, normal pitch)
Class
8.8 (8G)
10.9 (10K)
12.9 (12K)
Diameter
kgm
Nm
kgm
Nm
kgm
Nm
M4
0.28
2.8
0.39
3.9
0.49
4.9
M5
0.55
5.5
0.78
7.8
0.93
9.3
M6
0.96
9.6
1.30
13.0
1.60
16.0
M8
2.30
23.0
3.30
33.0
3.90
39.0
M10
4.60
46.0
6.50
65.0
7.80
78.0
M12
8.0
80.0
11.0
110
14.0
140
M14
13.0
130
18.0
180
22.0
220
M16
19.0
190
27.0
270
33.0
330
M18
27.0
270
38.0
380
45.0
450
M20
38.0
380
53.0
530
64.0
640
M22
51.0
510
72.0
720
86.0
860
M24
65.0
650
92.0
920
110
1100
1-2
3-4
5
7
7
7
9
8
7