Lycoming IO-390-D Series Maintenance Manual page 84

Engine Inspection Checklist After Propeller Strike for IO-390-D Series Engines
Engine Model Number:
Date Inspection Started:
Sequential Task
1. Examine the propeller for extent of
damage; record condition of
propeller.
2. Remove the propeller.
3. Remove the engine.
CRANKCASE P/N:
4. Disassemble the engine - remove
the crankshaft, camshaft,
connecting rods, crankshaft gear,
and internal steel parts.
5. Complete grit-blast cleaning* of
the crankcase with fine abrasive
(150-grit or finer) remove all
coatings on the crankcase and
engine mount bosses.
6. Complete grit-blast cleaning* of
the oil sump and engine mount
bosses with fine abrasive (150-grit
or finer).
7. Complete grit-blast cleaning* of
the engine mount brackets (if used)
with fine abrasive (150-grit or
finer).
* Refer to the "Grit-Blast Procedure" in Chapter 05-30.
05-50
Page 58
IO-390-D Series Engine Maintenance Manual
IO-390-D Series Engine Maintenance Manual
Engine Serial Number:
Date Inspection Completed:
Additional Information
Condition of Propeller/Corrective
Action:
Propeller satisfactory
Repair propeller in accordance
with propeller manufacturer's
instructions
Replace propeller in accordance
with the airframe manufacturer's
instructions.
As per airframe and propeller
manufacturer's instructions.
Refer to Chapter 72-00
MATCH NO:
Refer to Table 1 - Sequence of
Engine Disassembly in Chapter 72-
05
Make sure there is no dirt, debris,
sludge, paint, or any other
substance that could prevent
reliable Fluorescent Penetrant
Inspection (FPI) or subsequent oil
flow.
Make sure there is no dirt, debris,
sludge, paint, or any other substance
that could prevent reliable FPI or
subsequent oil flow.
Make sure there is no dirt, debris,
sludge, paint, or any other
substance that could prevent
reliable FPI or subsequent oil flow.
© 2020 Avco Corporation. All Rights Reserved
Corrective Action
Done/Comments
March 2020