Piper Comanche PA-24 Service Manual page 609

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PIPER COMANCHE SERVICE MANUAL
Trouble
Low power and uneven
ruruung ellgule. (cont.)
Flow meter reads h'lh.
F.dun: of engine to
deyelop full powet.
TABLE VlIC-U. TROUBLESHOOTING CHART
(COIIL)
(ENGJNE·TUIUIOCHAJlGED)
c.u..
MapetO
bn:aker
points not woric.iDg
properly.
Defective ignition wire.
Defective spark plug
termiDal connecton.
Improper iplition
timing.
Cloged noule
Defective fuel injector.
Throttle lever out of
adjusanent.
Leak. in induction
system.
.\1.ixrure
tOO
Ian
ar coo nch.
Restrictio n in
induction
a.u.
I mproper fuel.
Propeller governor put
ou
t
of adjusancnt.
Propeller out of
adjusunent.
Resulceons in inlet
air scoop and filter
F aulry ignition.
Turbocharger
conuol
out or adjustment.
2
13
Rea.dy
Check illtema1
timiDg
of magneto. -
Check wire with electric
tester. Repw:e de·
fective wire.
Replace connecton on
spark plug wiR.
Check mqnetos for
timiIIg
and synchro-
nwrion.
Remove lnd clean.
parqnph7C~
Repair or repw:e fuel
iIIjeetor.
Adjust throttle levet.
Tilhten all connections.
and repw:e defective
parts.
Injector must be re-
calibrated.
E:amine 3.ir inlet and
remove restr1ction.
F ill tank with recom-
mended fuel.
AdjUst
governor.
Adjust propeller low
pitch stop.
E:amine a.ir
KOOp
and
filter and remove
reSC'lcnons.
Tighten all connections.
Check ignition system.
Check Ignition tuning
R'I TurbochUie ... Reier
to p~ph
7C-lS
POWER PLANT
ISSUED: 8/18/72