TEO-540-A1A Engine Maintenance Manual
05-20 © 2021 Avco Corporation. All Rights Reserved
Page 32 February 2021
YO-233-B2A Engine Maintenance Manual
8. 1000-Hour Engine Inspection
A. The purpose of this checklist is to complete the exhaust valve and guide inspection.
B. Complete the 1000-Hour Engine Inspection after every 1000 hours of operation since the
engine has been in service.
C. Complete the 1000-Hour Engine Inspection Checklist for this inspection.
WARNING
BEFORE ANY ENGINE INSPECTION OR SERVICE PROCEDURE,
MAKE SURE THE IGNITION SWITCH IS SET TO OFF AND THAT ALL
POWER TO THE ENGINE IS DISCONNECTED. ENSURE ALL
OBJECTS/PERSONNEL ARE CLEAR OF THE PROPELLER’S
ROTATIONAL ARC. IF POWER IS ON, A LOOSE OR BROKEN WIRE
CAN CAUSE THE ENGINE TO START AND THE PROPELLER TO
TURN WHICH CAN LEAD TO DEATH OR SERIOUS INJURY OR A
PROPELLER STRIKE.
NOTICE: Copy the blank checklist and complete this checklist as a record of engine
maintenance. Put the completed checklist in the engine logbook.
1000-Hour Engine Inspection Checklist
Engine Model Number__________________ Engine Serial Number:______________
Date Inspection Done: ________ Inspection done by:_____________________________
Aircraft Tachometer____________________ Engine Time:_______________________
Examine the starter ring gear
support.
Replace the starter ring
gear support as necessary.
Refer to Chapter 74-30 for
replacement instructions.
Correct any discrepancies
found before returning the
engine to service.
Complete the operational
ground check in accordance
with Chapter 72-00.
Look for leaks. Identify
and correct the cause of
any leak. Correct any
problem and repair as
necessary to make sure the
engine operates correctly to
specifications.
Record all findings and
corrective action in the engine
logbook.
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