Maintenance WM 80
24 wc_tx000520gb.fm
3.6 Low-Maintenance Air Filter
See Graphic: wc_gr002877
This type of air filter is found on rammers. The air filter is self-cleaning
and uses the movement of the machine to shake dust and dirt loose
from the air filter element while the rammer is operating. Under normal
operating conditions this element will not require cleaning and should
not be removed from the machine. If the element does become
plugged with dirt, the engine will begin to lose power. In this case, the
air filter element can be removed and cleaned as described below.
Replace the element if it becomes so plugged with dirt it can no longer
be cleaned.
3.6.1 Remove the two locknuts from the top of the air filter and lift the air filter
off.
3.6.2 Use compressed air directed from the inside of the air filter, through the
grommet hole (1), to blow dirt and dust from the element.
NOTICE: Air pressure must not exceed 100 psi.
3.6.3 Run fresh water through the grommet hole (1) until water runs clear
NOTICE: DO NOT use solvents, fuel oil, or gasoline to wash the filter.
3.6.4 Plug or cover the hole in the air filter (2) using a cork or tape to prevent
dirty water from entering inside the element. Soak the air filter in a
solution (3) of warm water and a low-suds detergent for at least 15
minutes. Longer periods of time (up to several hours) of soaking may
be required, depending on how dirty the element is.
3.6.5 Remove the air filter from the water and repeat rinsing the filter as
described in Step 3. Allow the element to air dry in a dust-free area.
DO NOT use heat to speed drying.
3.6.6 Inspect the grommet before assembly and replace it if it is worn or
damaged. Install the grommet on the element carefully to avoid cutting
it.
3.6.7 Install the air filter on the machine and secure it with washers and
locknuts. DO NOT overtighten. Overtightening can deform washers
and indent the top of the air filter.
Note: Apply grease or liquid soap to inside of grommet so it slides
easily on machine.
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