Lycoming TEO-540-C1A Maintenance Manual page 262

Piston Inspection Checklist for TEO-540-C1A Engine Models (Cont.)
Inspection Item
Measure the Top piston
side clearance compression
between the ring
piston rings
and piston with
Second piston
a feeler gauge
compression
and straight
ring
edge (Figure
25).
Piston oil ring Actual
Measure the Top piston
piston ring gap compression
with feeler ring
gauges.
Complete the
Second piston
"Piston Ring
compression
End Gap
ring
Check" in this
chapter.
Piston oil ring Actual
**Compare the actual measurement against the limits in the latest revision of the Service Table of Limits
- SSP-1776. Replace the piston if any of the measurements are out of tolerance.
72-30
Page 232
Figure 25
Checking Piston Ring Side Clearance
Cylinder
1
Actual
Measurement**
SSP-1776
Actual
Measurement**
SSP-1776
Measurement**
SSP-1776
Actual
Measurement**
SSP-1776
Actual
Measurement**
SSP-1776
Measurement**
SSP-1776
TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Findings/Corrective Action
Cylinder Cylinder Cylinder
2 3
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Cylinder Cylinder
4 5 6
November 2018