As required
BOMAG
57
BPR 35/40 D BPR 35/60 D
As requi red
5.24 Retightening the bolted
connections
l Check all bolted connections for tight fit,
retighten if necessary.
l Check the machine for damage and leaks,
have repaired if necessary.
5.25 Tightening the screws
i
Note
Self locking nuts must always be replaced by new
ones after they have been unscrewed.
Fig. 74
*Strength classes for screws with untreated, non-
lubricated surfaces. The quality designations are
stamped on the screw heads.
8.8=8G
10.9 = 10 K
12.9 = 12 K
The values result in a 90% utilization of the screw's
yielding point at a coefficient of friction of μ total =
0.14.
The compliance with the tightening torques is to be
checked with torque wrenches.
The tightening torques are not applicable when us-
ing MoS
2
lubricants.
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