Piper COMANCHE PA-24-180 Service Manual page 481

PIPER COMANCHE SERVICE MANUAL
TABLE VIIC41. TROUBLESHOOTING CHART (con.)
(ENGINE-TURBOOlARGED)
Troube
CIue Remedy
Low power and uneven
runmng engine. (conr.)
Magnero breaker
pomut not working
properly.
Defective ignition wire.
Check internal riing
of magneto.
Check wire with elecmc
ester. Replace de-
fecive wire.
Replace connectors on
spark plug wire.
Check magnetos for
timing and synchro-
nzanon.
Defective spark plug
terminal connectors.
Improper gnition
uning.
Flow meer reads high.
Clogged nozzle
Remove and clean.
paragraph 7C46
Repair or replace fuel
in]ector.
Defective fuel injector.
Failure of engine to
develop full power.
..
Throttle lever out of
adjustment.
Leak n induction
system.
Mixture too lean
or too nch.
Restriction in
induction air.
Improper fuel.
Propeller governor put
out of adjustment.
Propeller out of
adjustment.
Restrcuons n inlet
air scoop and filter
Faulrv igntion.
Turbocharger control
out of adjustment.
Adjust throttle lever.
Tighten all connections.
and replace defective
pas.
Injector must be re-
calibrated.
Examine air inlet and
remove restriction.
Fill tank with recom-
mended fuel.
Adjust governor.
Adjust propeller low
pitch stop.
Examine air scoop and
filter and remove
restrcnons.
Tighten all connectons.
Check ignition system.
Check ignition timing
Rig Turbochargers. Refer
to pararaph 7C-25
POWER PLANT
ISSUED: 8/18/72
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