Bomag BW 213 D-4, Operating Instructions, Maintenance Instructions

Page: 89 / 102

As required
BOMAG
89
BW 213 D-4
Fig. 135
l
Insert the main filter element (Fig. 135).
The radial sealing area is located at the inside of
the open filter edge. This critical sealing area must
be under slight tension after the filter has been in-
stalled. In order to achieve a tight seal apply pres-
sure to the outer edge of the filter and not to the
moveable centre.
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Reinstall the filter hood with the dust discharge
valve.
! Caution
The dust discharge valve must point vertically
downwards.
Dry cleaning of the main filter element
!
Danger
Eye injury!
Wear protective clothing (goggles, gloves).
Fig. 136
i
Note
For cleaning purposes fit a tube to the compressed
air gun (Fig. 136), the end of which should be bent
for approx. 90°.
The length should reach down to the bottom of the
element.
l
Blow the main filter element out with com-
pressed air (max. 5 bar) from inside to outside
by moving the tube up and down inside the el-
ement, until it if free of dust.
l
Examine the main filter element with a torch
for cracks and holes in the paper bellows.
! Caution
Do not continue to use a damaged main filter
element. If in doubt use a new main filter ele-
ment.
Changing the safety filter element
! Caution
The safety filter element must not be cleaned
and should not be used again after it has been
removed.
The safety filter element must be replaced:
if the main filter element is defective,
after three times cleaning of the main filter ele-
ment,
at the latest after 2 years,