General; Tools For Maintenance - Lycoming YO-233-B2A Maintenance Manual

YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual

1. General

A. For continued airworthiness, this manual includes service information for oil changes, oil
addition, oil filter replacement, routine time-interval inspections, routine maintenance,
mantenance for unusual conditions, spark plug replacement/inspection procedures, cylinder
maintenance, fuel maintenance, scheduled and unscheduled servicing procedures, and
guidelines for fault isolation.
B. Engine features, system description, uncrating procedures, acceptance check, engine lift
procedure, engine preservation and storage, deinhibition, engine installation requirements,
engine installation,engine start, operation, and stop procedures, pre-flight test, operational
test, and fuels to be used are included in the YO-233-B2A Engine Installation and
Operation Manual.
2. List of Tools for Maintenance
A. Table 1 identifies tools used for maintenance.
Tool
Champion Tool CT-470
Borescope
Aviation Mechanic's Tools
ST-25
ST-131 Tension Gage
ST-71 Valve Guide Gage
ST-71-2 Gage Adapter
ST-222
ST-483 Test Plate
64530
64535
64536
64593
64594
64595
64596-1
0.010 in. (0.254 mm) Feeler Gage
© 2021 Avco Corporation. All Rights Reserved
February 2021
05-00 - MAINTENANCE - GENERAL
Table 1

Tools for Maintenance

Cut open oil filter
Cylinder Borescope Inspection
Compressor, Valve Spring
Measure belt tension on alternator
Exhaust Valve Guide Inspection/Removal
Exhaust Valve Guide Inspection/Removal
Plate, Torque Hold-Down
Connecting Rod Parallelism and Squareness Gage
Connecting Rod Bushing Removal Drift
Replacement Drift
Expanding and Staking Tool, 0.71 in. (18 mm) Spark Plug
Heli-Coil ® Insert
Inserting Tool, 18 MM Spark Plug Heli-Coil
Removing Tool, 18 MM Spark Plug Heli-Coil
Tap, 18 mm Heli-Coil
(0.254 mm) OS
Purpose
®
Spark Plug Bottom Tap 0.010 in.
®
Insert
®
Insert
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