Servicing Fuel Valve (Airborne Mechanisms); Installation Of Fuel Selector Valve - Piper PA-24 Comanche Service Manual

PIPER COMANCHE SERVICE MANUAL
•
9
1. VALVE SHAFT
2. "0" FI'NG
3. SEAL
4. VALVE PLATE
5. Pl.ATE SPRING
8 LOWEFI
VALVE
10DY
7. BAlL SPRING
8. CHECKIAU
e.
"O"FlINO
10. u",p
VALVE
100Y
11. TAPE
12. SwrrCH
3
~~DUg~~r=:.
:
7
~~=F:9
1. VALVE SHAFT .8, FILTER AlBY. 11. TAPE
2, "0"
RING
7,
WASHER
12.
SWITCH
3. IAU SPRING
eo
SNAP RING 13. DRAIN SHAFT
4. 04ECK IAU.
t. "0"
RING 14. DRAIN KNOll
5. GASKET 10. ALTER HOUSING
Co
Ascut&in that the valve plate (4) is
Dot
warped and the
plate
llU'face toWard the shaft side is
not
scored.
allowm, <rriDp
to be
dImIpd.
d.
Inspect
the plate detmu,
bail (8)
aDd
SPrint(7)
to determiIle that the
baD will operate properly in
the plate duma.
e. Lllbricate the O-rinp with eJlliDe oil. rallGDble the
ya1ft:
Uld safety.
•
FIGURE ..12.
FIVI 'OSITION PUEL VALVE
PA-U·250.... PA.'..-260
'IQURE ..13.
JlUIL VALVE
AND
FILTER
PA-U..&OO
g.16.
ScmciDI
puc! YaM (Airbome M--imt.). (PA-Z4-400) The fuel valve (Fipe 8-13 on the
PA-24-400 is a combimtion fuel maiDer aDd selectOr valve.
5erYiciDt
the fuel stniDer
will
be dacnbcd in
Plnlf&ph &-22.
a.
When it is
believed
that
fuel is
lakiDJ
tbroup the valve.
dirt
may be loqed
in a valve pon
benveen check ball Uld
sat.
The fuel
sysum should be Gullied (mer
to Panpaph 8-18).
8-17.
IncaJl,rjOIl
Of FacI ScleaDr ValYe.
Bef~
inallin. the selector valve ucertaiD that fittiDp arc
properly positioned and iIIan.d.. Do
DOt CWCI'
aptal
t&pCftd fittinp u
this may
damlle the va!ve
housing. Valva with SlftiIht thrnd
tylM!
fiainll,
with
00riDt
taU.
bptenlockDut
10
that the O-ring seals
on the IlOn-thraded pOrtioD of the fiam,.
a..
Attach the selector ftlve to ia mounbq bncket md the bracket Uld valve to the airc:n.ft.
b.
Attach the fuel lines to the Ylive
ftttiJlt.
Add CDouth fuel
to
each cell
to
determine that there is no
fuellcaks.
c. Rcinsull the floor panel &lid carpet.
•
FUEL SYSTEM
2J5
REVISED: Sl2Sn6