TEO-540-A1A Engine Maintenance Manual
05-20 © 2021 Avco Corporation. All Rights Reserved
Page 20 February 2021
YO-233-B2A Engine Maintenance Manual
50-Hour Inspection Checklist (Cont.)
Champion Electronic Ignition System (Cont.)
Make sure that the ignition
harness mounting clamps are
tight.
Examine the Electronic
Ignition System for damage.
Refer to the Direct Drive
Overhaul Manual.
Light Speed Plasma III and Magneto Ignition System
Make sure that the P-leads are
securely attached to the
magneto condenser studs.
Torque the P-lead nut to 13 to
15 in. lb (1.5 to 1.7 Nm) as
necessary.
Refer to the aircraft
manufacturer's
recommendations to make
sure the ignition switch and
P-lead are operating
correctly.
Remove spark plug connector
nuts and examine spark plug
cable leads and ceramics for
corrosion and deposits.
Replace spark plugs as
necessary per Chapter 74-20.
Corrosion and deposits are
evidence of leaking spark
plugs or of improper
cleaning of the spark plug
walls or connector ends.
Refer to the section “Spark
Plug Cleaning” in Chapter
05-30.
Clean the cable ends, spark
plug walls, and ceramics.
Refer to the section “Spark
Plug Cleaning” in Chapter
05-30.
Make sure that the spark plug
and magneto terminal
connections are tight.
Make sure that the spark plug
connections are tight.
Replace any broken, cracked,
deformed, or corroded parts.
Examine each ignition lead for
chafing, insulation breakdown,
frayed wiring, deterioration,
heat damage, wear, and
cracking.
Examine the ignition lead
routing.
Refer to the section
“Ignition Lead Inspection”
in Chapter 74-20.
Make sure that the ignition
harness mounting clamps are
tight.
Tighten any loose clamps.
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