Engine Air Cleaners, Intake Accessories and ... - Giro Servicios CA
Engine Air Cleaners, Intake Accessories and ... - Giro Servicios CA
Engine Air Cleaners, Intake Accessories and ... - Giro Servicios CA
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Will-Fit Filters are<br />
Often Won’t Fits!<br />
In our field service investigations, we often find damaged engines or air cleaner housing failures caused<br />
by the use of a will-fit filter. Why? Because many are improperly designed – <strong>and</strong> should actually be called<br />
won’t-fits.<br />
Most of these will-fit filters were developed by reverse engineering, disassembling <strong>and</strong> measuring the<br />
parts of an original equipment filter. The first fit, a Donaldson filter is designed in conjunction with the<br />
Donaldson air cleaner housing – thus ensuring the proper fit <strong>and</strong> function of the whole assembly.<br />
Some of the problems we’ve seen in the field from inferior filters include:<br />
Insufficient support caused by a thinner<br />
molded rubber boot gasket on a will-fit<br />
can cause the filter retaining yoke in the air<br />
cleaner housing to fail from excess<br />
vibration.<br />
A will-fit with improperly sized wing nut<br />
holes in the endcaps can allow leaks<br />
around the gasket washer or cause the<br />
wing nut to back off during operation.<br />
Inferiorities in critical seal gasket height,<br />
shape, position <strong>and</strong> durometer can prevent<br />
a proper seal <strong>and</strong> allow dirt to pass to the<br />
engine.<br />
Filters with slightly different dimensions<br />
can cause the filters to be improperly<br />
positioned in the air cleaner housing.<br />
We have seen imitations of our RadialSeal<br />
sealing technology. These imitations fail to<br />
meet the basic design specifications <strong>and</strong><br />
performance st<strong>and</strong>ards for reliable engine<br />
protection. Donaldson radial seal filters are<br />
protected by patents, trademarks <strong>and</strong> design<br />
registrations, both issued <strong>and</strong> pending.<br />
The design <strong>and</strong> material in the critical seal of<br />
will-fit radial seal filters allows dust to pass<br />
<strong>and</strong> makes filter service difficult. One will-fit<br />
manufacturer recommends the use of grease<br />
to make installation <strong>and</strong> removal easier.<br />
Grease should never be used in these air<br />
cleaners.<br />
The use of a harder endcap material in willfit<br />
radial seal imitations causes excessive<br />
pressure to the air cleaner housing, that can<br />
cause damage to the service cover <strong>and</strong><br />
latches.<br />
Another will-fit radial seal design has a inner<br />
filter liner that is not embedded into the<br />
urethane end caps. This “short inner liner”<br />
design compromises the structural integrity<br />
of the filter <strong>and</strong> its critical seal.<br />
www.donaldson-filters.com <strong>Engine</strong> <strong>Air</strong> <strong>Cleaners</strong>, <strong>Accessories</strong> & Service Parts 99<br />
General Maintenance & Service
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