# JSM-6400 Vacuum System [[JSM 6300 - JEOL W SEM]] ## Leak Rate Test ![[6300 leak rate test.jpg]] ## 6400 V2 Failure Mode ![[64D7D850-4027-4BD6-8159-D2AA33BADBC2_1_105_c.jpeg]] ## Interface Hardware Power latch goes to pin 7 and 8 on connector P3 ![[Power circuit and status LEDs sketch.png|lg]] ## Vacuum System [[Oil diffusion pumps]] [[Untiltled 46.concepts]] ![[CleanShot 2022-06-06 at [email protected]]] ![[2D9C442F-0BB3-47FF-8716-01D21FA4DFBF.jpeg]]![[84515119-DA48-4809-8B09-3646052FCD87.jpeg]]![[65C651DB-B5B6-4492-BD6F-EF6D1CAFD03B.jpeg]]![[7918C80E-5992-4F83-B919-53FD12CB3884.jpeg]] ### Thermal Safeties ![[C6C330B0-0016-4EF5-8329-850764F86B3C.jpeg]] ### Service startup ![[4EC9075A-1B59-440A-A8BB-226606A67666.jpeg]]Jumper these pins to skip the 20 minute timer (for DP heat and…etc)