Replacing Freeze Plugs - Yanmar 6LY3 series Service Manual

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Table of Contents

Inspecting the Cylinder Block and Components

Replacing Freeze Plugs

1 – Cylinder Block

3 – Screwdriver

1 – Clean and Apply Adhesive

6LY3 Service Manual

Set the screwdriver at a slight angle in

the upper portion of the plug. Tap lightly

with a hammer and remove the plug.

Wipe the cylinder block and plug

opening clean. Apply an adhesive

agent (acrylic) on the outside surface of

the plug and cylinder block opening.

Insert the plug using a driver and

hammer. (Drive the plug straight into

the opening.)

Do not add coolant to the cylinder block

for two hours after the plugs are set.

Tool or Material Used

• Screwdriver

• Adhesive agent

(or Three Bond

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