Maintenance Inspections
Teledyne Continental Motors, Inc.
TM
7-36
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007
7-3.10. Engine Mount Inspection
Procedure
1.
Inspect engine mounts and mount isolators for signs of cracks, deterioration, proper
assembly and security. If cracks are suspected, use nondestructive inspection methods
to determine engine mount condition.
WARNING
Do not allow a cracked engine mount to remain in service.
Replace upon discovery.
2.
Replace cracked or defective engine mounts or engine mount isolators.
7-3.11. Induction System Inspection
Purpose
Check the integrity of the air filter, seals, and airbox to prevent particulates from entering
the engine that can abrade cylinder walls and ring faces thereby damaging the engine.
Frequency
•
During 100-hour or annual inspection.
Procedure
Remove and inspect the induction air filter for cleanliness, normal operation and the
absence of gaps or leaks in the filtering element. Verify the air filter seal prevents
airflow except through the filter. Correct or replace a
1.
s necessary in accordance with
2.
required in accordance with the airframe manufacturer/STC
3.
as
4.
sues such as extensive use of carburetor
7-3.12. Ignition System Inspection
age and function properly
•
Spark plugs are clean, operating properly, and gapped appropriately
•
During 100-hour or annual inspections.
Procedure
the airframe manufacturer/STC holder’s information.
Verify the integrity of the airbox; look for alternate air circuits which can bypass the
filtering system. Any holes or bypass circuits found behind the filtering element
should be repaired as
holder’s information.
Verify the operation of the alternate air door and the integrity of the seal in the closed
position. Verify the door operating mechanism closes securely. Replace or repair
necessary in accordance with the airframe manufacturer/STC holder’s information.
If oil analyses are done on engine oil samples, check the silicone content of the most
recent oil analysis and the overall silicone trend to further assess the possibility of
Induction System leaks or pilot operational is
heat or alternate air during ground operation.
Purpose
Verify the following:
•
FADEC components are free of dam
•
Ignition leads are intact and secure
Frequency