Electric Fuel Pump Removal And Installation - Piper PA-24 Comanche Service Manual

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PIPER COMANCHE SERVICE MANUAL
1-30. Electric Fuel Pump, Dukes.
(PA-l~15O
and PA-14-160 with fuel injected memes).
The Dukes electric fuel pump
has
replaced the Bendix Model for use on the PA-24-250 and PA.24-260
aircnft with fuel injected enlines. It is a sealed unit and is therefore non-scrviccable.
1-31. Remoyal and 1Dstallatioa of IllC'tric Fuel P1nDp. The electric: fuel pumps on the PA-24-250 and
PA-24--260 airc:raftwith fuel injec:tionarc loc:atcd
by
rcmovin. tbe ri&ht forward-most floor panel within
the fusela,e. To remove the pump. proceed as follows:
NOTI
When removinl fuel pump from aircraft. cap all fuelliaes to prevent
possible contamination of fuel system.
a. Tum fuel seleetor valve to the OFF position.
b. Remove the fuel lines from the pump and disconnect the elec:trieal leads.
c. Loosen the clamp which secures the fuel pump to the aircraft.
NOTE
Do not attempt to disassemble or repair fuel pump. If the pump is
defective. obtain a replacement pump.
d. To install new fuel pump. plaee pump in mountin, bracket and tighten clamp.
e. Reattach fuel lines and eleetricalleads. Make eenain pump has a ,ood 'found.
f. Tum on the maStef switch. pump switc:h and open the line on the outside of the pump to purge
any air. Resecure the line and c:hetk for any leaks.
TABLI VIII-I
POWER REQUIREMENTS:
Nomin.1
12
V.D.C.
R....
10
to
1. V.D.C.
Ampet8p
5.0
max.
RAnNG:
50
g.p.".
et
1.
e-i
BY·P~S
PRESSURE DAOP
.35 e-i
m...
et 4Q
g.p.n.
NO·FLOW fIIIIUSUAE
25 psi m__
Speciflc:.tIOM.
Duke
ModtI414Q~218 electrIC
Fuel
Pump
FUEL SYSTEM
ADDEO: 9/10/79
2J13