Overhaul Manual
O-360 and IO-360 Series Engines
TESTING AND FAULT ISOLATION
General
This section provides the Fault Isolation
procedures. Review all probable causes given.
The engine electrical diagram and engine oil
system schematic are provided as an additional
aid in determining probable cause. Testing is
limited to continuity checks of the ignition wiring
harness.
Special tools and equipment are listed in
Table 72-00-03.1.
•
•
•
•
The Fault Isolation procedures are listed in
Table 72-00-03.2.
The engine ignition diagram is provided in
Figure 02-00-00.10.
The engine oil system is provided in Figure
02-00-00-11.
Table 72-00-03.1 • Special Tools and Equipment
Item Vendor
Electrical Tester Commercially Available
Table 72-00-03.2 • Abnormal Operating Procedures
Symptom Table
Engine will not start 72-00-03.3
Rough Idling 72-00-03.4
Engine Not Able to Develop Full Power 72-00-03.5
Rough Engine Operation 72-00-03.6
Low Power and Engine Runs Rough 72-00-03.7
Low Oil Pressure On Engine Gage 72-00-03.8
High Oil Temperature 72-00-03.9
Excessive Oil Consumption 72-00-03.10
Troubleshooting
WARNING
: OPERATION OF A DEFECTIVE
ENGINE WITHOUT A PRELIMINARY
EXAMINATION CAN CAUSE FURTHER
DAMAGE TO A DISABLED COMPONENT
AND POSSIBLE INJURY TO PERSONNEL.
MAKE SURE THOROUGH INSPECTION AND
TROUBLESHOOTING PROCEDURES ARE
ACCOMPLISHED. THIS WILL HELP TO
PREVENT INJURIES TO PERSONNEL
AND/OR DAMAGE TO THE EQUIPMENT.
WARNING
: HOT OIL MAY CAUSE BURNS TO
EYES AND SKIN. PUT ON SPLASH
GOGGLES, INSULATED GLOVES, AND
OTHER PROTECTIVE GEAR. IN CASE OF
EYE CONTACT, FLUSH WITH WATER FOR
15 MINUTES AND SEEK MEDICAL
ATTENTION. IN CASE OF SKIN CONTACT,
WASH WITH SOAP AND WATER.
WARNING
: FUEL IS TOXIC AND
FLAMMABLE. DO NOT BREATHE VAPORS.
USE IN A WELL-VENTILATED AREA FREE
FROM SPARKS, FLAME, OR HOT
SURFACES. PUT ON SPLASH GOGGLES,
SOLVENT-RESISTANT GLOVES, AND
OTHER PROTECTIVE GEAR. IN CASE OF
EYE CONTACT, FLUSH WITH WATER FOR
15 MINUTES AND SEEK MEDICAL
ATTENTION. IN CASE OF SKIN CONTACT,
WASH WITH SOAP AND WATER.
NOTE
: The Fault Isolation sequence is in order of
approximate ease of checking, not
necessarily in order of probability.
1
© March 2005 Superior Air Parts Inc.
72-00-03
Testing and Fault Isolation
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