وصف: Vacuum Pump, Model 1U128B
Teledyne Continental (Various Continental engines listed in Sigma Tek installation procedure Rev 15 dtd 2/1/86 FAA approved 2/27/86.)
Textron Lycoming (Various Lycoming engines listed in Sigma Tek installation procedure Rev 15 dtd 2/1/86 FAA approved 2/27/86.)