
Chapter 5
5.21
PRONAR T185/1
Periodic inspections
5.18 INSPECTION OF SCREW CONNECTIONS
TIGHTENING TORQUE FOR NUT AND
BOLT CONNECTIONS
When performing maintenance and repair
work, use appropriate tightening torques
for screw connections, unless other ti-
ghtening parameters are given. Recom-
mended tightening torques for the most
common bolted connections are shown
in Table (5.4). The given values apply to
non-lubricated steel bolts. The hydraulic
hoses should be tightened with a torque
of 50-70Nm.
Check the tightness using a torque wrench.
During the daily inspection of the trailer
pay attention to loose connections and ti-
ghten the connector if necessary. Replace
lost items with new ones.
Thread
Tightening torque
8.8
10.9
M8
25
36
M10
49
72
M12
85
125
M14
135
200
M16
210
310
M20
425
610
M24
730
1 050
M27
1 150
1 650
M30
1 450
2 100
d
8.8
D.3-1
Table 5.4.
Tightening torques
Figure 5.14
Metric thread screw.
Содержание T185/1
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