Doosan D35C-5 FDA04 Operation & Maintenance Manual page 225

Cleaning Primary Filter Elements
WARNING
Pressure air can cause personal injury.
When using pressure air for cleaning, wear a
protective face shield, protective clothing and
protective shoes.
The maximum air pressure must be below 205
kPa (30 psi) for cleaning purposes.
NOTICE
Do not clean the elements by bumping or tapping
them.
Inspect filter elements after cleaning. Do not use a
filter with damaged pleats, gaskets or seals.
When cleaning with pressure air, use 205 kPa (30
psi) maximum pressure to prevent filter element
damage.
When cleaning with pressure water, use 280 kPa
(40 psi) maximum pressure to prevent filter element
damage.
Have spare elements on hand to use while cleaning
used elements.
The primary element should be replaced after 6
months service or after cleaning no more than 3
times.
Air-205 kPa (30 psi) Maximum Pressure
Direct air on the inside and outside of the element
along the length of the pleats. Check the element
for any tears, rips or damage
Water-280kPa (40 psi) Maximum Pressure
Direct water on the inside and outside of the
element along the length of the pleats. Air dry it
thoroughly and then examine it.
Detergent
1. Wash the element in warm water and mild
household detergent.
2. Rinse the element with clean water.
See instructions in preceding topic for cleaning
with water.
3. Air dry it thoroughly, and then examine it.
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Maintenance Section