Lycoming YO-233-B2A - Ignition System Description; Ignition System Maintenance Schedule

TEO-540-A1A Engine Maintenance Manual
© 2021 Avco Corporation. All Rights Reserved 74-00
February 2021 Page 161
YO-233-B2A Engine Maintenance Manual
74-00 - IGNITION SYSTEM MAINTENANCE
1. Ignition System Description
A. Refer to the YO-233-B2A Engine Installation and Operation Manual.
2. Ignition System Maintenance
A. Table 1 shows the maintenance schedule and section references for ignition system
components.
Table 1
Ignition System Maintenance Items
Maintenance Item
Usual Maintenance
Necessary
Referenced Chapter
Examine the ignition lead
routing
Every 100 hours of engine
operation
Refer to Chapter 74-20
Replace the spark plugs
(remove and install)
As needed
Refer to Chapter 74-20
Examine spark plugs and
ignition leads
As needed
Refer to Chapter 74-20
Examine the spark plug port
seals to Complete the check
of the Heli-coils
As needed
Refer to Chapter 74-20
Clean the spark plugs
Every 100 hours of engine
operation
Refer to Chapter 74-20
Reset the spark plug gap
Every 100 hours of engine
operation
Refer to Chapter 74-20
Rotate the spark plugs
Every 100 hours of engine
operation
Refer to Chapter 74-20
Light Speed Plasma III and
Magneto Ignition System
Every 500 hours of engine
operation
• Complete the 500-hour
Inspection in accordance
with the Light Speed
Installation and Operation
Manual
• Examine the magneto in
accordance with the
magneto manufacturer's
instructions