Maintenance Inspections
Teledyne Continental Motors, Inc.
TM
7-6
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007
7-3.3. 50-Hour Engine Inspection
Frequency
The 50-hour Inspection is done under the following circumstances:
•
25 hours after the 25-hour Initial Operation Inspection
•
After every 50 hours of operation
WARNING
When performing this inspection, turn the Ignition Switch
OFF and disconnect engine power. Do not stand or place
equipment within the arc of the propeller.
Procedure
WARNING
Correct all fuel or oil leaks. Flammable petroleum products
may ignite if exposed to an ignition source.
1.
Perform a “Visual Inspection” according to the instructions in Section 7-3.7; correct
any discrepancies.
2.
Perform an “Engine Operational Check” according to instructions in Chapter 6.
3.
Submit an oil sample for analysis according to the instructions in “Oil Sample
Collection” and “Spectrographic Oil Analysis” in Chapter 9, “Maintenance and
Adjustments.”
4.
Change the oil and filter according to the “Oil Change Procedure” in “Engine Oil
Servicing.” Fill the oil sump to the proper capacity with approved fresh, ashless
dispersant oil.
5.
Perform an “Induction System Inspection” in Section 7-3.11.
6.
Complete a “System Drain Inspection” in Section 7-3.17.
NOTE: The FADEC System backup battery must be replaced
every 12 months or if the EBAT FAIL lamp remains illuminated
(more than five minutes) on the HSA.
7.
Perform a “FADEC Dedicated Backup Battery Inspection” in Section 7-3.13.
8.
Perform an “Engine Operational Check” according to instructions in Chapter 6,
“Operational Performance Checks.”