FILTERS BALDWIN

Catalog Baldwinfilters for tractors

Auto Parts / If compressed air is used to blow out heavier than air, are swirled to the
the dirt, it is important that you don’t outside of the housing, drop down to
use excessive pressure (over 40 a low pressure bowl at the bottom
PSI) so as not to damage the paper. and are evacuated through either a
The air flow should always be self-cleaning trap or a rubber
opposite the normal air flow direction unloading valve.
of the filter when in use. The stream
of compressed air should follow the Other pre-cleaner units have an
filter pleats, not at right angles to the aspirator which attaches to the
pleats. A good shop vacuum cleaner exhaust stack. Exhaust, moving
can also be used to remove heavy through a venturi inside the
surface dirt accumulation. aspirator, causes a constant vacuum
to be applied to a scavenger tube
The procedures for cleaning air connected to the pre-cleaner. This
filters can only remove large particle vacuums off the dirt collected in the
size dirt accumulations. To remove pre-cleaner and expels the dirt out
the finer dirt particles, some shops the exhaust.
wash their filters. It is important that
the filter be inspected carefully for
damage and cleaning should be PRE-SCREENERS AND
performed by a professional DIRT UNLOADING
cleaning service. Even then, there is
a limit to the number of times a filter DEVICES
can be washed because each
washing weakens the filtering An average tractor is estimated to
material. take in 75 lbs. of dirt per season. A
pre-cleaner removes from 80% to
Cleaning air filter elements, no 90% of this dirt, so it’s up to the air
matter how it is done, involves a risk filter element to remove the rest.
in damaging the filter and does not
fully restore the filter to full capacity. If dirt gets past the air filter, it is drawn
The cost of the filter is low enough into the cylinders, mixing with the
compared to the cost of an engine lubricating oil. It then scores cylinder
overhaul that it’s just not worth the walls and grinds away at rings and
risk. Never attempt to clean or reuse bearings. If the air filter becomes
the inner element if one is provided. plugged, the engine becomes choked
or “starved for air.” When this
The Baldwin warranty is voided happens, excess fuel is injected into
once an air filter is cleaned.
the cylinders because of the air/fuel
ratio, which can wash away the oil film
AIR PRE-CLEANERS on cylinder walls and dilute the
crankcase oil. If fuel is trapped above
the piston, it can burn a hole in the
Many original equipment
piston. Loss of air to an engine also
manufacturers install a pre-cleaner
causes overheating, loss of
in the air induction system, ahead of
horsepower, excess fuel consumption
the main filter element. These
and excessive bearing wear.
elements have stationary blades
that set up a swirling motion of the Tests have shown a 7.6% increase
incoming air. The dirt particles, being in horsepower and an 11.4%
1282 / Auto Parts

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