Replacing suspension bushings on a Komatsu WB146-5 backhoe loader may seem like a daunting task, especially if you have little mechanical experience. Access and review the manual details here…..
- 2011 Komatsu WB146 5 Backhoe
- Komatsu Backhoe WB 140 Thanks for watching us on YouTube! Moving dirt with the Komatsu backhoe at Fosters Farm!
However, with some basic tools and a step-by-step approach, you can tackle this job. Here’s a simple guide to help you through the process:
### Tools and Materials Needed:
1. **Tools**:
– Wrenches and sockets (size will depend on the bolts used)
– Screwdriver (flathead and Phillips)
– Hammer or mallet
– Pry bar (optional)
– Jack and jack stands
– Torque wrench (for reassembly)
– Pliers
2. **Materials**:
– Replacement suspension bushings
– Grease (if required for new bushings)
– Safety glasses
– Gloves
### Safety First:
– **Wear safety glasses and gloves** to protect yourself.
– Make sure the backhoe is on a flat surface and the parking brake is engaged.
– Use a jack to lift the backhoe and place it securely on jack stands.
### Step-by-Step Guide:
1. **Prepare the Backhoe**:
– Park the backhoe on a level surface.
– Engage the parking brake and turn off the engine.
– Lift the backhoe using a jack and place it securely on jack stands for safety.
2. **Locate the Suspension Bushings**:
– Identify where the suspension bushings are located. Typically, they are found connecting the suspension components to the frame or axle.
– Refer to the owner’s manual or a service guide if needed for specific locations.
3. **Remove the Old Bushings**:
– Use the appropriate socket or wrench to loosen and remove the bolts holding the bushings in place. Keep these bolts together as you will need them for installation.
– If the bushings are stuck, gently tap around them with a hammer or pry them out with a pry bar. Be careful not to damage surrounding components.
4. **Inspect the Area**:
– Once the old bushings are removed, inspect the area for any signs of wear or damage. clean any dirt or debris from the mounting points.
5. **Install New Bushings**:
– Apply a little grease to the new bushings (if required) to make installation easier.
– Insert the new bushings into their respective locations. Ensure they fit snugly.
– Align the holes of the new bushings with the mounting points.
6. **Reattach the Bolts**:
– reinsert and hand-tighten the bolts to hold the new bushings in place.
– Once all bolts are in position, use the torque wrench to tighten them to the manufacturer’s specifications. This ensures the suspension is secure
and functions properly.
7. **Lower the Backhoe**:
– Carefully remove the jack stands and lower the backhoe back to the ground using the jack.
– Make sure everything is secure and no tools are left underneath.
8. **Test the Backhoe**:
– Start the backhoe and perform a short test drive to ensure that everything feels right and that there are no unusual noises or issues.
### Final Thoughts:
Replacing suspension bushings can significantly improve the handling and ride quality of your Komatsu WB146-5 backhoe loader. If you encounter any difficulties or feel unsure at any step, don’t hesitate to consult a professional mechanic. Always prioritize safety and ensure you are working in a safe environment.
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