Piper Dakota Maintenance Manual page 490

TROUBLE
Failure of engine to start.
Failure of engine to idle
properly.
Low power and uneven
running.
Failure of engine to de-
velop full power.
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
CHART 7401. TROUBLESHOOTING (MAGNETO)
CAUSE
Defective spark plugs.
Defective ignition wire.
Defective battery.
Improper operation of
magneto breaker.
Faulty ignition system.
Defective spark plugs.
Magneto breaker points
not working properly.
Defective ignition wire.
Defective spark plug termi-
nal connectors.
Faulty ignition.
2I22
REMEDY
Clean and adjust or replace
spark plugs.
Check with electric tester
and replace defective wires.
Replace with charged
battery.
Check points. Check in-
ternal timing of magnetos.
Check entire ignition system.
Clean and gap or replace
spark plugs.
Clean points. Check in-
ternal timing of magnetos.
Check wire with electric
tester. Replace defective
wire.
Replace connectors on
spark plug wire.
Tighten all connections.
Check system with tester.
Check ignition timing.
74 - 00 - 00
Page - 74-02
Reissued: August 1, 1986