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Europa-List: 914 Electric Fuel Pump Polarity?

Subject: Europa-List: 914 Electric Fuel Pump Polarity?
From: Robert Borger <rlborger@mac.com>
Date: Sun, 6 Nov 2005 15:07:50

914 Builders:

I began to wire up the fuel pumps today and found out that the screw  
terminals are two different sizes.  This leads me to believe that  
polarity is important but I can't find anything in the manuals about  
electrical polarity of the pump terminals and there were no  
instructions with the pumps.  I'd sure appreciate it if someone could  
tell me if the big terminal screw is positive or negative (earth/ 
ground).

Thanks...

Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
(85%) tail kit done, wings closed, cockpit module installed, pitch  
system in, landing gear frame in, rudder system in, outrigger mod in,  
Fuselage Top on, lift/drag/flap pins in, wing incidence set, tie bar  
in, flap drive in, Mod 70 done, baggage bay in.  Completing the  
firewall-aft fuel system and fitting the instrument panel. Working in  
- 24 Instrument Panel, 25 Electrical, 28 Flaps, 29 Main Gear, 30 Fuel  
System, 32 Tail, 34 Door Latches & 35 Doors, 37 Finishing.  Airmaster  
arrived 29 Sep 05.  Seat arrived from Oregon Aero.  Preparing ROTAX  
914 for installation.
3705 Lynchburg Dr.
Corinth, TX  76208
Home:  940-497-2123
Cel:  817-992-1117



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