|Electric auxiliary dry air pumps are recommended for single engine aircraft flown in IFR conditions as a back-up in the event the primary vacuum pump fails. These pumps are FAA-PMA approved as direct replacements for Airborne pumps previously installed under STC eligibility and STC approval for these pumps for many additional aircraft is pending.|
VDC NOMINAL: 14
Hg VAC INTERNAL: 5"
SCFM FLOW MIN: 4.5
AMPS MAX CONT: 17
WEIGHT LBS. APPROX. (MOTOR/PUMP ONLY): 6
Per Vendor: 4A3-1 (10-00584) is 14vdc and is shipped with mounting bracket. The 4A2-1 (10-00585) is 28vdc and is not shipped with bracket.
Per Tempest: It is determined by the aircraft manufactures maintenance manual. It should give times for replacement or overhaul period of items.