Piper Comanche PA-24 Service Manual page 649

PIPER COMANCHE SERVICE MANUAL
11-30. Electric Fuel Pump, Dukes. (PA·l4-l!O IDd PA·l4-l6G wItII fuel Injected maines).
The Dukes electric fuel pump has repW:ea the Benaix MOOel for use on the PA·24-2S0 and PA.24-260
aircraft with fuel injeclecl engines. It
is
a sealecl unit ana
is
therefore non-scrviceable.
1-31. Remo¥al and IDItallation 01 Dectrie Fuel Pump. The electric fuel pumps on Ihe PA·24-lS0 ana
PA·24-260 aircraft with fuel injection are locatecl by removinl tbe rilht forwara·most floor panel wIthin
the fusela ... To remove the pump. proceecl as follows:
NOn:
When removinl fuel pump from aircraft. cap all fuel lines to prevent
possible contamination of fuel system.
a. Tum fuel selector valve to the OFF position.
b. Remove the fuel lines from the pump ana aisconnect tto. ::ectrical leacls.
c. Loosen the clamp which secures the fuel pump to the aircraft.
NOn:
00 not attempt to aisassemble or repair fuel pump. Ifthe pump
is
aefective. obtain a replacement pump.
d. To install new fuel pump. place pump in mountinl bracket ana tighten clamp
e. Reattach fuel lines ana electricalleaas. Make cenain pump has a gooa ground.
f. Tum on the master switch. pump switch and open the line on the outside of the pump to purge
any air Resecure the line and check for any leaks.
FUEL SYSTEM
ADDED: 9/10179
TABLE VIII·I
POWER REQUIREMENTS,
Nominll 12 V.D.C.
RIII91 10 to 14 V D.C.
Aml*198 5.0 mOll.
AAl1NG.
50 g.p.h. at 14 DIIi
BY ·PASS PRESSURE DROP
3S Pli
miX.
It
40 g.p.h
NO·FLOW PRESSURE
25
psi
max.
SpecificatiOns. Duke
MoaeI4140-OQ..218 ElectriC Fuel
""mp
2J13