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sore -- TESTING OBSERVATIONS FOR FAILING UNITS IN THE 2013 SMALL OFF-ROAD ENGINE VALIDATION STUDY

Posted: 15 Sep 2015 15:12:09
Subsequent to the Small Off-Road Engine Working Group meeting on
September 2, 2015, ARB staff have been asked to share any obvious
indicators of failure that were noted on any units included in
the 2013 Validation Study.  In an effort to provide industry with
useful information to assist in identifying the source of
problems that led to failure of some equipment in the 2013
Validation Study, Air Resources Board (ARB) staff have shared
observations made during testing of units D4 and D18.  Test
records for other failing equipment have been reviewed for
similar observations, and additional observations made during
testing are below.

Unit D15:  A gasoline odor was noted when standing near the unit.
 The unit was returned to the manufacturer after testing was
complete.

Unit D16:  A puddle of fuel was found under the unit when it was
moved after running the engine.  Liquid gasoline dripped out of
the vapor fuel hose connected to the carbon canister when the
carbon canister was disconnected for purging.

Photographs of units D4, D16, and D18 showing some of the
observations noted will be emailed to working group members
separately from this notice.  No photographs of unit D15 or any
of the remaining failing units were taken to indicate possible
sources of failure.

If you have additional questions, please contact Christopher
Dilbeck via email at Christopher.Dilbeck@arb.ca.gov or at (916)
319-0106.


California is in a drought emergency.
Visit www.SaveOurH2O.org for water conservation tips.

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