ACIS Vacuum Tank

Disconnect vacuum hoses from vacuum tank. Vacuum tank is located on bottom of air intake chamber. See Figure. Replace vacuum tank if it does not operate as follows.

• Blow air through port "A". See Fig 1. Air should flow out of port "B".
• Blow air through port "B". Air should not flow out of port "A".
• Plug port "B". Apply 16 in. Hg to port "A". Vacuum should hold for at least one minute.

Fig 1: Identifying ACIS Vacuum Tank Ports

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