Lycoming YO-233-B2A Maintenance Manual page 45

YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual
100 Hour or Annual Engine Inspection Checklist (Cont.)
Inspection Item
Ignition System (Cont.)
Examine each spark plug for
chafing, corrosion, wear, and
cracking.
Examine the ignition lead
routing.
Examine the continuity of the
engine group straps.
Light Speed Plasma III and Magneto Ignition System
Complete the Annual / 100
hour Inspection in accordance
with the Light Speed
Installation and Operation
Manual
WARNING IF THE P-LEAD IS DISCONNECTED, THE MAGNETO WILL BE ON
AND WILL ACTIVATE THE SPARK PLUG IF THE PROPELLER IS
TURNED. TO PREVENT INJURY, MAKE SURE THAT THE P-LEAD IS
SECURELY ATTACHED TO THE CONDENSER STUD.
Make sure that the magneto-to-
engine timing is correct. Adjust
the timing as necessary.
Complete a visual inspection of
the magneto wiring conditions
and connections, vent holes,
and P-lead attachment.
Clean the magneto vents to
make sure that there is no
obstruction.
Make sure the magneto clamps
securely attach each magneto to
the engine.
If a retard magneto is installed,
make sure that the switch wire
on the retard (left) breaker
connects the retard contact
points to the ignition vibrator.
© 2021 Avco Corporation. All Rights Reserved
February 2021
Comments
Refer to Chapter 74-20.
Refer to the "Examine the
Ignition Lead Routing"
section in Chapter 74-20
Refer to the airframe
manufacturer's instructions.
Refer to the "Magneto-to-
Engine Timing Check" in
Chapter 74-30.
The correct advance timing is
stamped on the engine data
plate.
Results/Notes Done
05-20
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