Bomag BW 213 D-4 Operating Instructions, Maintenance Instructions page 89

Fig. 135
Insert the main filter element (Fig. 135).
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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.
Reinstall the filter hood with the dust discharge
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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).
BW 213 D-4
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.
Blow the main filter element out with com-
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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.
Examine the main filter element with a torch
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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,
B O M A G
A s r e q u i r e d
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