Piper Cherokee Six - Page 392

PIPER
CHEROKEE
SIX
SERVICE
MANUAL
TABLE
VII-II.
ENGINE
TROUBLESHOOTING
(cont.)
Trouble
Cause
Remedy
Failure
of engine
to
start.
(cont.)
Internal failure.
Check
oil
sump screen
for
metal
particles.
If
found,
complete
overhaul
of the
engine may
be
indicated.
Improper
switch
wiring
for
left magneto
starting.
Magnetized
impulse
coupling
- left magneto
only.
Frozen
spark
plug
electrodes.
Mixture
control
in idle
cut-off.
Shorted
ignition
switch.
Lack of sufficient fuel
flow.
Water in
carburetor.
Reverse
magneto
switch
wires.
Demagnetize
impulse
couplings.
Replace
spark
plugs or
dry out
removed
plugs.
Open mixture
control.
Check
and
replace
or
repair.
Disconnect
fuel line
and
check
fuel flow.
Drain
carburetor
and
fuel lines.
Failure
of
engine
to
idle
properly.
Incorrect
carburetor
idle
adjustment.
Adjust
throttle
stop to
obtain
correct
idle.
Idle mixture.
Leak
in the induction
system.
Uneven
cylinder
compres-
sion.
2F20
Adjust
mixture.
Refer
to
engine
manufacturer's
handbook
for
proper
procedure.
Tighten
all connections
in the
induction
system.
Replace
any
parts
that
are defective.
Check condition
of piston
rings
and valve
seats.
POWER PLANT
Revised:
11/4/83