Cleaning Of The Air Filter Element - Doosan DP158L Series Operation & Maintenance Manual

4. Regular inspection

Cleaning of the Air Filter Element

Clean the air filter element by using the most suitable method
for your work environment among the three methods stated
below.
1. Use compressed air to clean the air filter element.
1) To clean, let sufficient compressed air reach the inside
bottom of the element at 90° direction with an air gun.
2) Move air gun up and down the element to blow air from
inside to outside until no more dust is coming out from the
element.
3) Do not use compressed air pressure exceeding 5 bars.
DANGER
Always wear protective goggles before starting work.
Otherwise, dust or foreign substances from the
element may get in your eyes and cause injuries.
2. Clean the element by washing it.
1) Before washing the element, clean the element by using
compressed air as described above.
2) Soak the element in the warm cleaning solvent for 10
minutes and then shake it back and forth for about 5
minutes.
3) Rinse the element with clean water, drain the water, and
then dry it at room temperature. Fully dry the element
before reassembling it to the engine.
Never use steam spray, gasoline, alkali or hot cleansing
solution to cleansing the element.
3. In an emergency, temporarily clean the element by using
the following method.
1) Tab the end plate of the element with the thumb to clean
it temporarily.
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• This method should only be used in an emergency
when cleaning of element is necessary and no
compressed air or cleansing solution is available.
• Under no circumstances should the surface of the
element be hit or beaten with a hard object to shake
the dust off.
Note) Before reassembling the element, make sure that the
filter paper is not wrinkled, the state of rubber sealing
is good, and there is no deformed part in the element.
Note) Under any circumstances, do not reuse damaged
elements. When in doubt, replace the element with a
new one.
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CAUTION
CAUTION
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