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5. 100-Hour or Annual Engine Inspection
A. The purpose of this inspection is to examine the engine, cylinders, hardware, and
components.
B. Complete the 100-Hour Engine Inspection after the first 100 hours of operation since the
engine has been in service and then after every 100 hours of operation or during each annual
aircraft inspection (whichever occurs first).
C. Complete the 100-hour or Annual Engine Inspection Checklist for this inspection.
WARNING
NOTICE: Copy the blank checklist and complete this checklist as a record of engine
maintenance. Put the completed checklist in the engine logbook.
Engine Model Number__________________
Date Inspection Done: ________ Inspection done by:_____________________________
Aircraft Tachometer_____________________
Inspection Item
Complete the 50-Hour Engine
Inspection.
Examine all studs and nuts for
loose hardware and defects.
Champion Electronic Ignition System
Rotate, clean, and re-gap the
spark plugs as necessary.
Examine each ignition lead for
chafing, insulation breakdown,
frayed wiring, deterioration,
heat damage, wear, and
cracking.
05-20
Page 24
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.
100-Hour or Annual Engine Inspection Checklist
Refer to the section "50-Hour
Engine Inspection" in this
chapter.
Torque loose hardware to the
correct specification torque
value in the latest revision of
the Service Table of Limits -
SSP-1776.
Replace worn spark plugs.
Refer to Chapter 74-20.
Refer to Chapter 74-20.
YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual
Engine Serial Number:______________
Engine Time:_______________________
Comments
© 2021 Avco Corporation. All Rights Reserved
Results/Notes
Done
February 2021
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