Installation Instructions for Replacement Oil Seals for Pendulum Bar GX340 GX390 Gasoline Engine (10pcs Set)

Introduction:
This guide will help you install the replacement oil seals for your GX340 and GX390 gasoline engine. Proper installation will ensure optimal performance and longevity of your engine.

Tools Needed:

1. Flathead Screwdriver - For prying out old seals.
2. Socket Wrench Set - For loosening and tightening bolts as needed.
3. Pliers - To aid in removing any retaining clips if present.
4. Seal Installation Tool or a Soft Hammer - To gently tap in new seals.
5. Clean Cloth - For cleaning surfaces before installation.
6. Lubricant (optional) - To help ease the installation of the seals.

Installation Steps:

1. Preparation:

   • Ensure the engine is cool and disconnect the spark plug for safety.
   • Clean the working area around the oil seal to prevent debris from contaminating the engine.

2. Remove Existing Seal:

   • Use the flathead screwdriver to pry out the old oil seal carefully.
   • If applicable, remove any retaining clips or surrounding components that may obstruct seal removal.

3. Clean the Area:

   • Once the old seal is removed, clean the sealing surface thoroughly with a clean cloth.
   • Ensure there are no remnants of the old oil seal or debris.

4. Apply Lubricant:

   • Optionally, apply a small amount of lubricant to the outer edge of the new oil seal to facilitate installation.

5. Install New Seal:
   -Align the new oil seal with the prepared area.

   • Use a seal installation tool or a soft hammer to gently tap the new seal into place. Make sure it is flush with the surface.

6. Reassemble:

   • If you removed any components or clips, reinstall them now.
   • Tighten any bolts securely with the socket wrench.

7. Final Checks:

   • Reconnect the spark plug and ensure all tools are removed from the engine area.
   • Start the engine and check for any signs of leakage to confirm the proper installation of the oil seals.

Conclusion:
With these steps, you should be able to successfully install the replacement oil seals for your GX340 and GX390 gasoline engine. Remember, regular maintenance and timely replacement of oil seals are key to keeping your engine running efficiently.