ACIS Vacuum Tank

Disconnect vacuum hoses from vacuum tank. See Fig 1 and Fig 3. Replace vacuum tank if it does not operate as follows.

Blow through port "B". See Fig 3. Air comes out of port "A".
Blow through port "A". Air does NOT come out of port "B".
Plug port "B". At port "A", apply 8 in. Hg. Vacuum holds for at least one minute.

Fig 1: Locating ACIS Components (ES300)

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Fig 2: Identifying Port On ACIS Vacuum Switching Valve (VSV)

Fig 3: Identifying Ports On ACIS Vacuum Tank