Piper Lance II - Page 339

LANCE
II SERVICE
MANUAL
TABLE
VIII-III. ENGINE TROUBLESHOOTING
CHART
(cont.)
Trouble
Cause
Remedy
Failure
of engine
to
start.
(cont.)
Failure
of engine
to
idle properly.
Internal
failure.
Incorrect
idle
mixture.
Leak in
the induction
system.
Check
oil screens
for
metal
particles.
If
found,
complete
over-
haul
of
engine
may
be
indicated.
Adjust
mixture.
Tighten
all
connections
in the
induction
sys-
tem.
Replace
any parts
that
are
defective.
Incorrect
idle
adjust-
ment.
Uneven
cylinder
com-
pression.
Faulty
ingition
system.
Insufficient
fuel
pres-
sure.
Adjust
throttle
stop
to
obtain
correct
idle.
Check
condition
of
pis-
ton rings
and
valve
seats.
Check
entire
ignition
system.
Adjust
fuel pressure.
Low power and uneven
running.
Mixture
too
rich;
indi-
cated
by
sluggish
en-
gine
operation,
red ex-
haust flame
at
night.
Extreme
cases
indi-
cated
by
black
smoke
from
exhaust.
Readjustment
of fuel
in-
jector
by
authorized
personnel
is indicated.
Isued:
1/3/78 POWER
PLANT
2C3