Repairing the suspension spring seat on a Case WX125 or WX95 series excavator involves several steps and requires a basic understanding of mechanical systems, along with the right tools and safety equipment. click here for more details on the download manual…..
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Here’s a detailed breakdown of the components involved and the steps necessary for the repair.
### Components Involved:
1. **Suspension Spring**: This component absorbs shocks from the ground and supports the weight of the excavator.
2. **Spring Seat**: This is the part that holds the spring in place. It can wear out or become damaged, affecting the performance of the suspension.
3. **Mounting Brackets**: These are used to secure the spring seat to the excavator frame.
4. **Bolts and Nuts**: These fasteners hold the various components together. They may need to be replaced if they are worn or damaged.
5. **Shock Absorber**: This component works alongside the suspension spring to dampen the impact of shocks.
6. **Rubber Bushings**: These provide cushioning between metal components, helping to reduce noise and vibration.
7. **Tools Required**:
– Socket set (metric)
– Wrenches
– Hydraulic jack
– Jack stands
– Torque wrench
– Pry bar
– Hammer
– Safety glasses
– Gloves
### Steps for suspension Spring Seat Repair:
#### **1. Safety First**
– Ensure that the excavator is parked on a flat, stable surface.
– Engage the parking brake and turn off the engine.
– Wear safety glasses and gloves to protect yourself from debris and sharp edges.
#### **2. Raise the Excavator**
– Use a hydraulic jack to lift the excavator from the side where the suspension spring seat needs repair.
– Place jack stands securely under the frame to ensure stability.
#### **3. Remove the Wheel**
– If applicable, remove the wheel or track component to access the suspension system.
– Use the appropriate socket or wrench to loosen and remove the lug nuts.
#### **4. Remove the suspension Spring**
– Identify the mounting points of the suspension spring.
– Use the wrench or socket to remove the bolts securing the spring to the spring seat and the frame.
– Carefully detach the spring, using a pry bar if necessary to free it from any tension.
#### **5. Inspect the Spring Seat**
– Examine the spring seat for any signs of wear, cracking, or deformation.
– If the seat is damaged, it will need to be replaced.
#### **6. Remove the Old Spring Seat**
– Locate the bolts or fasteners holding the spring seat in place.
– Use the appropriate tools to remove these fasteners.
– If the seat is stuck, gently tap around the edges with a hammer to loosen it.
– Carefully take out the old spring seat.
#### **7. Prepare the New Spring Seat**
– Obtain a replacement spring seat that is compatible with the WX125 or WX95 model.
– Clean the area where the new spring seat will be installed to ensure proper fit and prevent contamination.
#### **8. Install the New Spring Seat**
– Position the new spring seat in place.
– Align the holes with the mounting brackets.
– Insert and hand-tighten the bolts to secure the seat, ensuring it is flush against the mounting area.
#### **9. Reattach the suspension Spring**
– Position the suspension spring back onto the new spring seat.
– Secure it with the bolts, ensuring that it is properly aligned
and seated.
– Torque the bolts to the manufacturer’s specifications using a torque wrench.
#### **10. Reattach Any Removed Components**
– If you removed the wheel or track, reattach it now.
– Tighten the lug nuts in a crisscross pattern to ensure even distribution of pressure.
#### **11. Lower the Excavator**
– Carefully remove the jack stands and lower the excavator using the hydraulic jack.
– Ensure everything is secure before moving.
#### **12. Conduct a Function Test**
– Start the excavator and observe the suspension system while it is in operation.
– Check for any unusual noises or movements that may indicate improper installation.
### Conclusion
Repairing the suspension spring seat on a Case WX125 or WX95 requires attention to detail and a methodical approach to ensure safety and proper functionality. always refer to the manufacturer’s service manual for specific torque specifications and repair protocols. If in doubt, consider consulting a professional mechanic or technician with experience in excavator repairs.
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