Lycoming TEO-540-C1A Maintenance Manual page 113

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Problem
Engine will not start or
starts with difficulty
(Cont.)
© 2018 Avco Corporation. All Rights Reserved
November 2018
Table 1 (Cont.)
Fault Isolation Guide
Cause
Ignition system problem
Low cylinder
compression
Blocked fuel injector
Leak in induction system
Corrective Action
1. Visually examine the
harness for physical damage.
2. Examine ignition leads for
continuity using a high-
tension lead tester.
3. Replace worn or damaged
components as necessary.
4. Complete the following
procedures:
• Spark Plug Removal
• Ignition Lead Inspection
• Spark Plug Inspection
• Spark Plug Cleaning
• Spark Plug Gap Setting
• Spark Plug Rotation
• Spark Plug Installation
1. Complete the "Cylinder
Compression Check
Procedure."
2. Complete a "Cylinder
Borescope Inspection"
procedure on low-pressure
cylinder(s).
1. Identify whether the cylinder
with the suspected blocked
fuel injector is cold or hot.
(The cylinder will be cold
after 2 minutes of engine
operation.)
2. Complete the "Fuel Injector
Removal" procedure.
3. Complete the "Fuel Injector
Installation" procedure.
Complete the "Induction
System Inspection" procedure.
Ref.
74-20
05-30
74-20
72-30
73-10
72-80
12-30
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