Illustration 100 g00281692
Note: When the primary air cleaner elements are
cleaned, always begin with the clean side (inside) in
order to force dirt particles toward the dirty side
(outside).
Aim the hose so that the air flows inside the element
along the length of the filter in order to help prevent
damage to the paper pleats. Do not aim the stream of
air directly at the primary air cleaner element. Dirt
could be forced further into the pleats.
Note: Refer to “Inspecting the Primary Air Cleaner
Elements”.
Vacuum Cleaning
Vacuum cleaning is a good method for cleaning
primary air cleaner elements which require daily
cleaning because of a dry, dusty environment.
Cleaning with pressurized air is recommended prior
to vacuum cleaning. Vacuum cleaning will not
remove deposits of carbon and oil.
Note: Refer to “Inspecting the Primary Air Cleaner
Elements”.
Washing the Primary Air Cleaner
Elements with Nonsudsing Detergent
Do not wash air cleaner elements in any flamma-
ble solution such as diesel fuel or gasoline. Doing
so can cause fire or an engine runaway and can
result in personal injury.
Washing with nonsudsing detergent is effective for
cleaning primary air cleaner elements that have
deposits of carbon or oil. Use a cleaning agent that is
specifically manufactured for cleaning primary air
cleaner elements. Cleaning with pressurized water,
pressurized air, or a vacuum is recommended prior to
washing with nonsudsing detergent.
1. Place the primary air cleaner element into a wash
tank so that the gasket is up. The wash tank
should be equipped with a rack so that the primary
air cleaner element does not sit on the bottom of
the wash tank.
Note: Caterpillar does not recommend a process for
washing the primary air cleaner element which
includes vigorously shaking. By vigorously shaking
the element, carbon particles may be distributed.
2. Fill the wash tank with the cleaning agent and
warm water to a maximum temperature of 60°C
(140°F). Follow the manufacturers
recommendations for the cleaning agent. Allow
the primary air cleaner element to soak for six
hours.
3. Drain the wash tank. Do not use the cleaning
agent more than one time. Remove the primary air
cleaner element from the wash tank. Rinse the
primary air cleaner element with the method for
using pressurized water.
Note: Refer to “Drying the Primary Air Cleaner
Elements”. Refer to “Inspecting the Primary Air
Cleaner Elements”.
Drying the Primary Air Cleaner Elements
The oven method may be used in order to dry
primary air cleaner elements. If an oven is used, do
not expose the primary air cleaner elements to
temperatures that exceed 82°C (160°F).
Note: Do not use compressed air in order to dry the
primary air cleaner elements.
Primary air cleaner elements may be allowed to air
dry. Allow two days for the primary air cleaner
elements to air dry before the elements are inspected
and installed.
SEBU7125-13
119
Maintenance Section
Engine Air Cleaner Element (Dual Element) - Clean/Replace
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