As required
BOMAG
52
BP 12/40, BP 20/50, BP 25/50
Fig. 58
l
Pull the foam rubber insert over the paper ele-
ment (Fig. 58).
l
Insert the air filter correctly and tighten the
wing nut.
!
Caution
If the air filter is not correctly inserted, dust
and foreign particles can enter into the air in-
take channel.
l
Fasten the housing cover with the wing nut.
5.22 Tightening the screws
i
Note
Self locking nuts must always be replaced by new
ones after they have been unscrewed.
Fig. 59
*Strength classes for screws with untreated, non-
lubricated surfaces. The quality designations are
stamped on the screw heads.
8.8 = 8 G
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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