FORD FLTM EU-BZ 052-01-2001 TESTS FOR CLEANLINESS OF FUEL TANKS《油箱的清洁度试验》.pdf

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1、FORD LABORATORY TEST METHOD EU-BZ 052-01 2001 04 30 TESTS FOR CLEANLINESS OF FUEL TANKS Revised Editorial - no technical change A. Cockman Application This procedure describes the tests used to determine the amount and type of foreign materials in fuel tanks. Apparatus and Solutions Required Inspect

2、ion Light With flexible extension. Soft Bristle Brush Sieve ASTM No. 200 (75 micron size). Kerosene Clean, filtered through a Whatman 42 H filter paper or 1640 D Macherey & Nagel filter paper. Filter Whatman 42 H paper or equivalent. Beaker 5 litre. Wash Bottle Small Magnet Conditioning and Test Con

3、ditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 OC and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. I I Date I Action I Revisions I I 19940228 I

4、Copynght02001, Ford Global Technologies, Inc COPYRIGHT Ford Motor CompanyLicensed by Information Handling ServicesFORD LABORATORY TEST METHOD EU-BZ 052-01 Procedure Visual Inspection Fuel tanks should be visually inspected with the aid of a small flexible light which can be inserted in the tank. Exa

5、mination should be made for rust and dirt, solder, braze, or weld spatter and all loose foreign matter. Also a visual estimation regarding the presence of moisture should be made. Test for Sediment Pour 2 liter of clean kerosene into the tank, close the filler neck cap and gently tap the walls and e

6、dges of the tank. The wash bottle filled with clean kerosene is then used to extract dirt from areas such as sensing pipes. After shaking vigorously, the tank is inverted and shaken again. After quickly opening the filler neck cap, or the opening for the sender assembly (or by any other suitable met

7、hod), the contents are poured into a clean 5 liter beaker. The above procedure is repeated with a further quantity of 2 liter of kerosene. Filter through a weighed Whatman 42 H filter paper to remove solids from kerosene and discard the kerosene. Dry the sediment first gently, then finish off at 105

8、 OC for 1 h and weigh. Report as total solids - foreign material. Brush the foreign material into a sieve. Screen through a 75 micron (200 mesh)“ screen onto a glazed paper and weigh portion passing through. Report as foreign material less than 75“ microns. “Or other size screen($ as required by Pro

9、duct Engineering. Place the total solids (.e. by combining the material from the screen with that which has passed through) onto a glazed paper and separate magnetic particles by passing a magnet under the paper. Weigh the non-magnetic matter and determine the total magnetic material by difference.

10、Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities. Page 2 of 2 Copynght02001, Ford Global Technologies, Inc COPYRIGHT Ford Motor CompanyLicensed by Information Handling Services