Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 2000-2003 Approved Subaru Legacy 2000 2000 Service Manual MECHANISM AND FUNCTION SECTION Brakes MSA5TCD00L18224

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
MSA5TCD00L18224


>> Download MSA5TCD00L18224 documenatation <<

Text preview - extract from the document
        LEGACY (W2260BE_SGML Complete)



                         MECHANISM AND FUNCTION         [M500]      4-4
                                                  5. Proportioning Valve


5. Proportioning Valve




                                                             B4H2221A




                                                             B4H1942A




                                         7
                         LEGACY (W2260BE_SGML Complete)



4-4      [M5A0]                  MECHANISM AND FUNCTION
5. Proportioning Valve


A: OPERATION
1) Operation before the split point
Piston is held by spring so that valve is kept away from valve seat.
Under this condition, fluid pressure "P3" to rear wheel cylinders equals fluid pressure "P2" from
master cylinder.




                                                                                             H4H1127B



2) Operation near the split point
D Force "f1", applied to piston by spring, is one-half of spring force "F". In other words, "f1" = "F".
D Force "f2" is also applied to piston in the direction opposite to spring force "F" due to fluid pres-
sure "P2" generated by master cylinder according to cross sectional area "A".
D Force "f2" increases respondingly with fluid pressure "P2". When "f2" is greater than, piston
moves in direction opposite to spring force "F". This causes valve to come in contact with valve
seat, blocking fluid passage.




                                                                                             H4H1128B




                                                   8
             LEGACY (W2260BE_SGML Complete)



                              MECHANISM AND FUNCTION                                 [M5A0]      4-4
                                                                               5. Proportioning Valve


3) Immediately before fluid passage is closed, fluid pressure "P2" is held equal to pressure "P3".
When brake pedal is depressed to increase fluid pressure "P2", piston moves in the same direction
as spring force "F", opening fluid passage.
However, since fluid passage is closed again immediately after pressure "P2" equals "P3", pres-
sure "P3" is held at a value of less than pressure "P2".




                                                9



◦ Jabse Service Manual Search 2020 ◦ Jabse Pravopis ◦ Other service manual resources online : FixyaeServiceinfo