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FYI: "Bogus" Re-Cored Continental Oil Coolers
Be Wary of the "Saturday Night Special" of Oil Coolers
Pictured at left is something that owners and operators of TCM 470 and 520 series engines should watch out for: low quality re-cored front-mount type oil coolers.
At best, these oil coolers are just poor performing alternatives to the "real thing". At worst, they are a catastrophic in-flight failure waiting to occur.
We've seen numerous examples of these oil coolers, in both congealing and non-congealing types - but they all share these same attributes:
1) Congealing type oil cooler has a base that is too thick. The
as-designed base thickness of a congealing oil cooler is 3/8". The "bogus"
units typically have a base that is thicker than that - some as thick as 1/2".
The thicker base reduces the number of bolt threads available for securing the
cooler to the adaptor plate. This could result in the oil cooler separating from
the adaptor plate during engine operation (resulting in a sudden and
complete loss of oil pressure - as well as an oil covered windshield).
2) Gap beneath divider bar allows oil to bypass the cooler's
core. This divider bar is supposed to be welded to the core in order to
prevent oil from by-passing the oil cooler completely (by traveling beneath the
divider bar). On "bogus" oil coolers, not only is the divider bar not
welded - there's also a sizeable amount of space between the bar and he cooler's
core (a business card will easily slide between the bar and the oil cooler core). This
is a blatant departure from the approved design of the part - and one
that can seriously decrease the oil cooler's efficiency.
3) Highly irregular and/or warped gasket surface. This is
a prime example of the extremely poor quality control process in use by the
manufacturer of these oil coolers. The result is a leaky, oily mess that was
totally avoidable and completely unnecessary.
4) Suspicious welding. Could be evidence of un-skilled labor
having been used in the manufacture and
assembly of these oil coolers.
Factory New FAA-PMA Oil Coolers For Continental Powered Aircraft
The Legitimate Alternative to the Saturday Night Special
For a price that is no higher than what the competition charges for their re-cored oil coolers, Pacific Oil Cooler Service offers Factory New FAA-PMA oil coolers manufactured by
Every AERO-Classics oil cooler comes with full FAA-PMA documentation which includes an FAA Form 8130-3 - and complete FAA-PMA Eligibility clearly labeled on the cooler's data tag.
Cooler Service, Inc.
1677 Curtiss Court, La Verne, CA 91750
Call Us Today, Toll-Free: 1-800-866-7335
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Or fax your order to us; 1-909-593-8499