Page 1283 - Catalog filters BALDWIN for tractors

Auto Parts / AIR FILTER MAINTENANCE

Airborne dust and dirt can vary considerably on the farm. On a dry day when the wind is
strong, the air will carry more contaminants than on a calm day following a rain. Also, the
type of operation you are performing, in conjunction with what equipment you are using,
plays an important part in determining the amount of service your air filter requires.

RESTRICTION GAUGES It is not affected by engine surges.
This type of gauge can either be
On today’s engines, an air restriction mounted on the air filter housing or
gauge is an absolute necessity. on the dashboard. (See air
There are three types. A simple pop- restriction gauges below.)
up indicator is often installed on the
air housing at the factory. This type
of indicator lets you know, with the POTENTIAL TROUBLE
indicator changing from green to
red, that the engine has reached a When an air filter housing is opened,
pre-determined degree of restriction. the potential for trouble exists.
Although an engine surge can cause There’s always the chance of dirt
a premature “tripping” of the getting into the air inlet. An operator
indicator, it shows it is time to check may remove the element in an
the air filter for servicing. attempt to clean it so that he can get
a few more hours of service out of it.
A second type of air restriction Sometimes the filter is tapped
indicator is perhaps more effective, against a tire, workbench or floor.
in that it indicates the amount of The impact often breaks the end
restriction. As the filter becomes seal of the filter paper. Air will take
progressively more contaminated, the path of least resistance - through
the degree of restriction on the the break. Tapping or hitting the
gauge increases. A third type also element against an object can also
shows the amount of increasing damage the shape of the element so
restriction and holds that reading that it will not properly seal against
even when the engine is turned off. the housing.

AIR FILTER RESTRICTION BALDWIN NUMBERS
GAUGES TELL WHEN TO SERVICE
Dial Style AFG30
Remote Mount AFG37R
Direct Mount AFG38D
Avoid servicing air filters too often, as
well as too seldom, by using an Air Filter
Restriction Gauge.
Baldwin offers three styles to take the
AFG30 AFG37R AFG38D guesswork out of air filter changes.

1281 / Auto Parts

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