Ignition Lead Removal - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
WARNING FAILURE TO MAINTAIN THE SPARK PLUGS AND IGNITION LEADS
CAN CAUSE ENGINE DAMAGE OR FAILURE.

1. Ignition Lead Removal

WARNING MAKE SURE THE BATTERY HAS BEEN DISCONNECTED FROM THE
ENGINE.
NOTICE: As shown in Figure 1, there are two spark plug leads (ignition leads) in each cylinder
head. The 12 ignition leads (Figure 2) are identified in Table 1.
A. Open the coil box. Refer to the procedure "Coil Box Access" in Chapter 74-30.
NOTICE: Ignition leads can have different part numbers. Refer to the TEO-540-C1A Parts
Catalog to identify the correct part number for an ignition lead that is to be replaced.
Identify each ignition lead to be removed for reference on assembly.
© 2018 Avco Corporation. All Rights Reserved
November 2018
74-20 - IGNITION SYSTEM SERVICE
Figure 1
Coil Box
Figure 2
Spark Plug and Ignition Lead
74-20
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