FORD FLTM BJ 012-02-2001 VACUUM DIAPHRAGM COMPATIBILITY TEST《真空膜片相容性试验》.pdf

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1、 FORD LABORATORY TEST METHOD BJ 012-02 Date Action Revisions 2001 07 24 Revised Editorial no technical change A. Cockman 1992 05 12 Printed copies are uncontrolled Page 1 of 2 Copyright 2001, Ford Global Technologies, Inc. VACUUM DIAPHRAGM COMPATIBILITY TEST Application This procedure is used to eva

2、luate the effect of the fluid under test on automatic transmission diaphragm assemblies. Parts Required 7 C4AP 7A377-A - Diaphragm Assembly Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % rela

3、tive humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure Using the test equipment detailed in Figure 1, test seven diaphragm assemblies from each of the current approved production suppliers. Test Duration: 2,300,000 cycles requ

4、ired Test Temperature: 200 +/- 5 F Test Frequency: 115 cycles/minute +/- 10 cycles Test Cycle: 10 inches Hg to 20 inches Hg to 10 inches Hg Fluid Level: Must cover vacuum diaphragm opening throughout test At the completion of the test, examine and report whether diaphragm failure has occurred. Chemi

5、cals, 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. FORD LABORATORY TEST METHOD BJ 012-02 Page 2 of 2 Copyright 2001, Ford Global Technologies, Inc. VACUUM DIAPHRAGM COMPATIBILITY TEST Figure 1