Maintenance Inspections
Teledyne Continental Motors, Inc.
TM
7-60
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007
Table 7-11.
Cylinder Inspection Checklist
Engine Model Number: ___________________ Engine Serial Number: _________________
Total Time Engine Has Been in Service: _______________
Time Since Major Overhaul (TSMOH) __________________ Engine in Storage? ________
Date Inspection Performed: ________ Inspection Performed by:_____________________
Cylinder Borescope Findings (Section 7-3.8.3)
Place a check mark in the column of any cylinder exhibiting the characteristics described in the left column.
Condition
1
2
3
4
5
6
Normal Wear.
T
T
T
T
T
T
Light Rust (acceptable in absence
of excessive oil consumption or
leaks)
T
T
T
T
T
T
Small areas of heavy rust (less
than ½ inch diameter)
T
T
T
T
T
T
Heavy rust (greater than ½ inch)
T
T
T
T
T
T
Pitting of on cylinder wall.
T
T
T
T
T
T
Heavy wear
T
T
T
T
T
T
Scoring
T
T
T
T
T
T
Static seal leakage
T
T
T
T
T
T
Other discrepancies
T
T
T
T
T
T
Cylinder Inspection Summary
Place a check mark in the column of any cylinder exhibiting the characteristics described in the left column.
Cylinders exhibiting the following characteristics must be removed and repaired or replaced according to the
instructions in “Chapter 10, Non-Overhaul Repair and Replacement.”
Condition
1
2
3
4
5
6
Heavy rust, characterized by
pitting of the cylinder wall
T
T
T
T
T
T
Scoring or scratches in the honed
surface of the cylinder wall (or
bore)
T
T
T
T
T
T
Blistered paint on the cylinder
barrel/other evidence of excessive
wear and internal heat
T
T
T
T
T
T
Cylinder subjected to overheating/
detonation/piston scoring or piston
pin damage to the cylinder bore.
T
T
T
T
T
T
Cylinder with radial fin crack
extending to the root of a fin
T
T
T
T
T
T
Cylinder with barrel fin crack
T
T
T
T
T
T
Cylinder head turned in relation to
barrel flange
T
T
T
T
T
T
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