ACIS Vacuum Tank
Disconnect vacuum hoses from vacuum tank. See Fig 2. Replace vacuum tank if it does not operate as follows.
- Blow through port "B". See Fig 2. 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 16 in. Hg. Vacuum holds for at least one minute.