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YO-233-B2A Engine Maintenance Manual
TEO-540-A1A Engine Maintenance Manual
Inspection Item
Fuel System
Complete the Fuel System
Inspection.
Induction System
Complete the Induction
System Inspection.
Electrical System
Make sure the wiring harness
is routed correctly and attached
securely and that there are no
broken, chafed or frayed wires
or connectors.
Make sure that clamps are
installed to keep the wiring
harness in place.
Engine Cylinders
NOTICE: During the first hours of service, engines can have some leakage at the cylinder
head. This initial leakage is not harmful or detrimental to the engine.
Examine the rocker box covers
for oil leaks.
Examine the gaskets for
excessive leaks and damage.
© 2021 Avco Corporation. All Rights Reserved
February 2021
50-Hour Inspection Checklist (Cont.)
Comments
Refer to the "Fuel System
Inspection Procedure"
section In Chapter 73-10.
Refer to the "Induction
System Inspection
Procedure" section in
Chapter 72-80.
Replace the wiring harness
if a wire is broken, frayed
or chafed or if a connector
is broken or damaged.
Refer to the Direct Drive
Overhaul Manual for
replacement procedures.
Tighten or install any loose
or missing clamps to keep
the wires securely in place.
Identify and correct the
cause of the oil leak. For
possible causes and
corrections, refer to the
"Fault Isolation" section in
Chapter 12-30.
Replace any gasket that is
damaged or leaks. Refer to
the Direct Drive Overhaul
Manual. Tighten gasket
screws per torque values in
the latest revision of the
Service Table of Limits -
SSP-1776.
Results/Notes
Done
05-20
Page 21
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