Bomag BW 100 AD-4 Operating Instructions Manual page 93

Fig. 144
Insert the main filter element (Fig. 144).
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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 100/120/125 AD-4/AC-4
Every 250 operating hours
Fig. 145
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Note
For cleaning purposes fit a tube to the compressed
air gun (Fig. 145), 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. 2.1 bar) from inside to out-
side by moving the tube up and down inside
the element, 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.
BOMAG 93