Overhaul Manual
O-360 and IO-360 Series Engines
INSPECTION AND CHECK
General
The inspection of engine parts consists of three
(3) categories: visual, structural, and
dimensional. Visual and structural inspections
deal primarily with structural defects. The
dimensional checks are concerned with the size,
shape, and fit of a given part. Upon successful
completion of inspection, coat all steel parts with
preservative oil.
Visual inspections should precede all other
inspections. No cleaning operation should be
permitted until a complete initial visual
inspection is made of the part in question.
Residue from the engine’s operation can provide
additional information as to hidden defects or
other dangerous conditions. Refer to the
Cleaning section of this manual.
Structural inspections will include checking
flatness, out-of-roundness, and passageway
clearance. They may also include magnetic
particle and dye penetrant procedures as well as
eddy-current, ultra-sonic, or other non-
destructive testing methods.
For dimensional inspections, refer to the tables
set forth in the Fits and Clearances section of
this manual.
For repairs required prior to a final inspection or
dimensional check of a part, refer to the Repairs
section of this manual.
The use of a recording form is recommended
during the inspection procedures. The form
should be prepared so that all inspection and
subsequent repair and reassembly procedures
can be noted as they are completed. This
usage will also help prevent the omission of
components during the inspections and will
provide a place to record findings and comments
resulting from the inspections.
Materials and Tools
Materials required for inspection are listed Table
72-00-08.1. Special tools and equipment
required for inspection are listed Table 72-00-
08.2.
Table 72-00-08.1
Inspection Materials
Item Source
Magnetic base oil
Commercially
Available
Preservative oil
Commercially
Available
Dye penetrant and
developer
Commercially
Available
Acetone
Commercially
Available
Mineral Spirits
Commercially
Available
SAE #10 lubricating oil
(check fuel nozzle flow)
Commercially
Available
NOTE: Equivalent substitutes may be used.
Table 72-00-08.2
Special Tools and Equipment
Item Source
Calipers and
micrometers: ID and OD
Commercially
Available
10X Magnifying Glass
Commercially
Available
Machinist’s Ruler
Commercially
Available
Small Flashlight
Commercially
Available
Vee Blocks
Commercially
Available
Dial Indicator
Commercially
Available
Spring Tension Tester
Commercially
Available
Magnetic Particle
Inspection Equipment
Commercially
Available
NOTE: Equivalent substitutes may be used.
1
© March 2005 Superior Air Parts Inc.
72-00-08
Inspection and Check
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