Non-Destructive Testing - Lycoming TEO-540-C1A Maintenance Manual

TEO-540-C1A Engine Maintenance Manual
TEO-540-C1A Engine Maintenance Manual
Engine Inspection Checklist After Propeller Strike for TEO-540-C1A Engines (Cont.)
Sequential Task
18. Complete a check of the
connecting rods parallelism.
19. Complete a check of connecting
rod squareness.
NOTICE: The magnetic particle inspection must be done by a certified technician as per the latest revision
of Service Instruction No. 1285.
20. Complete a magnetic particle inspection on the
crankshaft.†
21. Complete a magnetic particle inspection on the
camshaft.†
22. Complete a magnetic particle inspection on the
crankshaft counterweights.†
Examine the counterweight bushing bores in
both the counterweights and the crankshaft.
23. Complete a magnetic particle inspection on the
connecting rods.†
24. Complete a magnetic particle inspection on the
crankshaft trigger gear assembly.† Examine the
gear end as per the latest revision of Service
Bulletin No. 475.
† Refer to the section "Non-Destructive Testing" in this chapter.
© 2018 Avco Corporation. All Rights Reserved
November 2018
Additional Information
Refer to the "Connecting
Rod/Parallelism/Squareness Check"
in Chapter 72-20 for measurement
instructions.
Record the parallelism measurement
for each connecting rod.
Replace all connecting rods not in
compliance with measurements in
the latest revision of Part I of the
Service Table of Limits - SSP-1776
(Reference 503).
Refer to the section "Connecting
Rod Parallelism/Squareness Check"
in Chapter 72-20. Record the
squareness measurement for each
connecting rod.
Replace all connecting rods not in
compliance with measurements in
the latest revision of the Service
Table of Limits, SSP-1776
(Reference 504).
Record test
results.
Record test
results.
Record test
results.
Record test
results.
Record test
results.
Corrective Action
Done/Comments
Parallelism Measurement
Connecting Rod 1
Connecting Rod 2
Connecting Rod 3
Connecting Rod 4
Connecting Rod 5
Connecting Rod 6
Squareness Measurement
Connecting Rod 1
Connecting Rod 2
Connecting Rod 3
Connecting Rod 4
Connecting Rod 5
Connecting Rod 6
Magnetic particle test results
acceptable
Replace crankshaft
Use camshaft
Replace camshaft
Replace all counterweight pins,
bushings, end plates and snap rings -
regardless of their condition.
Replace connecting rod bolts and
nuts - regardless of condition. Refer
to the latest revision of Service
Instruction 1458 for assembly
instructions.
Use crankshaft trigger gear
assembly
Replace crankshaft trigger gear
assembly
05-50
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