2E4
TABLE VIIIA-II. ENGINE TROUBLESHOOTING (cont.)
Failure of engine to
Internal failure.
Check oil screens for
start. (cont.)
metal particles. If
found, complete over-
haul of engine may be
indicated.
Failure of engine to
Incorrect idle mixture.
Adjust mixture.
idle properly.
Leak in the induction
Tighten all connections
system.
in the induction sys-
tem. Replace any parts
that are defective.
Incorrect idle adjust-
Adjust throttle stop to
ment.
obtain correct idle.
Uneven cylinder com-
Check condition of pis-
pression.
ton rings and valve
seats.
Faulty ignition system.
Check entire ignition
system.
Insufficient fuel pres-
Adjust fuel pressure.
sure.
Lower power and uneven
Mixture too rich; indi-
Readjustment of fuel in-
running.
cated by sluggish en-
jector by authorized
gine operation, red ex-
personnel is indicated.
haust flame at night.
Extreme cases indi-
cated by black smoke
from exhaust.
Mixture too lean; indi-
Check fuel lines for
cated by overheating
dirt or other restric-
or backfiring.
tions. Check fuel in-
jection nozzles.
Trouble
Cause
Remedy
Revised: 8/31/77
CHEROKEE ARROW III SERVICE MANUAL
POWER PLANT - LYCOMING
Summary of Contents for ARROW III
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