Superior IO-360 SERIES Overhaul Manual

Overhaul Manual
O-360 and IO-360 Series Engines
Crankshaft
NOTE:
A magnetic particle inspection should
be performed whenever the crankshaft
is removed from the engine.
Visually inspect the shaft.
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Scoring, galling,
pitting, corrosion,
cracks
Reject
Visually inspect the bearing surfaces.
Scoring, scratching,
etching
Reject
Dimensionally inspect the bearing surfaces.
Refer to Fits and
Clearances of this
manual
Reject if
beyond
acceptable
limits
Visually inspect the ID of the forward end of the
shaft.
Deterioration of the
cadmium plating
See Repair
No. 7
Measure the run-out of the crankshaft center
main bearings and flange by supporting the
crankshaft on a flat surface in vee blocks on the
front and rear main bearing.
Measure run-out of
the crankshaft
center main bearing
Reject if run-
out exceeds
limits of the
Fits and
Clearances.
Measure run-out of
crankshaft prop
flange
Reject if run-
out exceeds
limits of the
Fits and
Clearances
Crankshaft Counterbore Face Inspection
Inspection of the counterbored gear mounting
flange surface.
Fretting, galling, scoring,
pitting
Reject
Check threads in gear
retaining hole for nicks or
burrs Check for hole depth
by measuring with a gear
retaining bolt threaded all
the way in. Compare the
exposed length of the bolt
with the thickness of the
gear and lockplate.
See
Repair
No. 8
Inspect dowel for damage,
out of roundness. Refer to
Repair No. 4.
Replace
Inspect pilot diameter of the
counterbore for size and
damage. The diameter
should not exceed 2.1262
inches at any place. Refer
to Repair No. 4.
Repair
CAUTION
: IF THE DOWEL MUST BE
REMOVED, BE CAREFUL NOT TO DAMAGE
THE CRANKSHAFT HOLE. DRILL A 1/8 INCH
DIAMETER HOLE THROUGH THE CENTER
OF THE DOWEL. FILL THE HOLE WITH OIL
AND INSERT A PIECE OF 1/8 INCH
DIAMETER DRILL ROD IN THE HOLE.
STRIKE THE END OF THE DRILL ROD WITH
A SHARP BLOW. THE RESULTING
HYDRAULIC PRESSURE SHOULD FORCE
THE DOWEL OUT.
NOTE:
If the crankshaft requires repairs other
than those specified above, measure
the crankshaft counterbore face. If the
crankshaft measures more than the
minimum dimension shown, the
surface may be reworked to the
dimensions shown (do not plate the
surface). The surface must be true
within 0.001 inch T.I.R. The surface
finish must be held to 45 to 90
microns.
13
© March 2005 Superior Air Parts Inc.
72-00-08
Inspection and Check

Superior IO-360 SERIES Specifications

General

Brand	Superior
Model	IO-360 SERIES
Category	Engine
Language	English