Fayat Group Bomag BPR 70/70 D, Operating And Maintenance Instruction Manual, Page: 75 / 87

Insert the air filter (2) Ä Fig. 78.
Check the sealing face (3) on the housing.
NOTICE!
When tightening the cover do not damage the seal
on the filter housing.
Attach the cover (1) Ä Fig. 78 and tighten it with the wing
screws.
Check the air filter service indicator Ä Fig. 79.
6.11.2 Tightening the screws
Self locking nuts must always be replaced by new
ones after they have been unscrewed.
*Strength classes for screws with untreated, non-lubricated sur-
faces. 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 using MoS
2
lubri-
cants.
Fig. 78
Fig. 79
Fig. 80
Maintenance – As required
BPR 70/70 D 75
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