Installation Instructions for Replacement Crank Oil Seal Set for Chainsaw Models MS390, 039, MS310, MS290, and 029

Contents:

• 2 x Replacement Crank Oil Seals

Tools Required:

1. Screwdriver set (Flathead and Phillips)
2. Pliers
3. Socket wrench set
4. Rubber mallet or hammer
   5.Clean cloth or paper towels
5. Oil or grease (for installation)
6. Safety gloves and goggles

Installation Steps:

1. Preparation:

   • Ensure the chainsaw is powered off and disconnected from any power source.
   • Put on safety gloves and goggles for protection during the installation process.

2. Disassembly:

   • Use a screwdriver to remove any covers or panels that may obstruct access to the crank area.
   • Carefully remove the spark plug to prevent any accidental starts.

3. Accessing the Oil Seals:

   • Use the socket wrench to loosen and remove the necessary bolts securing the crankcase.
   • Once the crankcase is loose, gently pry it open to reveal the crankshaft and existing oil seals.

4. Removing Old Oil Seals:

   • Carefully use pliers to pull out the old oil seals from their seats. Ensure not to damage the crankshaft during this process.
   • Clean the area around the seal seats with a clean cloth or paper towels to remove any debris or old oil.

5. Installing New Oil Seals:

   • Apply a small amount of oil or grease to the new crank oil seals to ensure they slide into place easily.
   • Gently position the new oil seals into the seal seats. Use a rubber mallet or hammer to tap them into place, ensuring they are seated evenly.

6. Reassembly:

   • Reattach the crankcase, securing it with the bolts using the socket wrench.
   • Replace the spark plug and any covers removed during disassembly.

7. Final Checks:

   • Inspect all connections and ensure everything is securely fastened.
   • Wipe down any excess grease or oil from the exterior of the chainsaw.

8. Testing:

   • Reconnect the chainsaw to the power source.
   • Start the chainsaw and monitor for any leaks or issues. Ensure proper operation.

Conclusion:
Your Replacement Crank Oil Seal Set is now installed, ensuring enhanced performance and reduced oil leakage in your chainsaw. Enjoy efficient and effective operation with your newly installed seals!