Replacing the output shaft seal on a KOMATSU WA1200-3 can be a detailed process, but I’ll break it down into simple, easy-to-understand steps. click here for more details on the download manual…..
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This guide assumes you have basic tools and are comfortable working with machinery. Always prioritize safety and consult your machine’s service manual for specific details.
### tools and Materials Needed:
1. **Basic Hand Tools**: Wrenches, sockets, screwdrivers, pliers
2. **Seal Puller**: For removing the old seal
3. **Hammer and Drift**: To help install the new seal
4. **Clean Rags**: For cleaning surfaces
5. **New Output Shaft Seal**: Make sure it’s the correct size for your model
6. **Lubricant or Grease**: To lubricate the new seal
### Step-by-Step Instructions:
#### 1. **Safety First**
– **Turn Off the Machine**: ensure the KOMATSU WA1200-3 is turned off and parked on a flat surface.
– **Engage the Parking Brake**: This prevents any movement while you’re working.
– **Wear Safety Gear**: Use gloves and safety glasses to protect yourself.
#### 2. **Access the Output Shaft**
– **Locate the Output Shaft**: Identify where the output shaft is situated on the machine. This is typically located near the rear of the machine, connected to the transmission.
– **Remove Any Covers**: If there are any protective covers or guards, carefully remove them to access the output shaft.
#### 3. **Remove the Old Seal**
– **Inspect the Area**: Look at the current seal for any signs of damage or wear.
– **Use a Seal Puller**: Carefully insert the seal puller under the old seal. Gently pull it out without damaging the surrounding area.
– **Clean the Area**: Once the old seal is removed, clean the surface where the new seal will be installed. Use rags to wipe away any dirt or debris.
#### 4. **Install the New Seal**
– **Lubricate the New Seal**: Apply a light coat of lubricant or grease on the outer edge of the new seal. This helps it slide into place and creates a better seal.
– **Position the Seal**: Align the new seal with the opening where the old seal was located.
– **Install the Seal**: Use a hammer and drift to gently tap the new seal into place. Make sure it’s seated evenly and flush with the surrounding surface.
#### 5. **Reassemble and Test**
– **Reattach Covers**: If you removed any covers or guards, carefully reattach them.
– **Check for Leaks**: Start the machine and let it run for a few minutes. Check around the new seal for any signs of leaking fluid.
– **Inspect the Installation**: ensure everything is secure
and looks right.
#### 6. **Final Steps**
– **Dispose of the Old Seal Properly**: Make sure to dispose of the old seal and any waste materials in accordance with local regulations.
– **Clean Up**: Put away your tools and clean the area where you worked.
### Conclusion
Replacing the output shaft seal on a KOMATSU WA1200-3 can be done with basic tools and a careful approach. Always refer to your machine’s service manual for specific instructions and safety guidelines. If you’re ever unsure, consider seeking assistance from a professional mechanic.
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