Replacing the input shaft on a Terex TC35 excavator can be a complex task, especially if you have limited mechanical experience. download manual more information here…..
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However, I’ll break down the process into simple steps. Before you start, make sure you have the necessary tools and safety equipment, including gloves and safety glasses.
### Tools and Materials Needed:
– **Tools:**
– Socket set
– Wrenches
– Screwdrivers
– Pliers
– Hammer
– Torque wrench
– Jack and jack stands
– Oil drain pan
– **Materials:**
– New input shaft
– Gasket or sealant (if needed)
– Lubricating oil (specific to the excavator)
– Cleaning rags
### Safety Precautions:
1. **Park the Excavator**: Ensure the machine is on a flat surface, and the engine is turned off.
2. **Engage the Parking Brake**: Always engage the parking brake to prevent any movement.
3. **Disconnect the Battery**: To prevent any electrical issues, disconnect the battery before starting any work.
### Step-by-Step Guide:
#### 1. **Prepare the Excavator**
– **Remove any attachments**: If the excavator has a bucket or other attachment, remove it to access the input shaft area easily.
– **Lift the Excavator**: Use a jack to lift the excavator if necessary, and secure it with jack stands for safety.
#### 2. **Access the Input Shaft**
– **Remove the Cover**: Locate the cover where the input shaft is housed. This may be on the side of the machine. Use your socket set to remove any bolts or screws holding the cover in place.
– **Drain the Oil**: Place an oil drain pan underneath to catch any oil that may leak out when you remove the shaft.
#### 3. **Remove the Old Input Shaft**
– **Disconnect Connections**: Carefully disconnect any hoses or electrical connections that may be in the way. Take note of where each connection goes; it may help to take pictures.
– **Remove the Input Shaft**: Look for bolts or screws that secure the input shaft in place. Use the appropriate tools to remove them. Once the bolts are out, you should be able to pull the input shaft out of its housing. You may need to gently tap it with a hammer if it’s stuck.
#### 4. **Install the New Input Shaft**
– **Clean the Area**: Before installing the new input shaft, clean the area where the old shaft was located. Remove any old gasket material and debris.
– **Insert the New Shaft**: Carefully slide the new input shaft into place, ensuring it aligns properly with the connections. Be gentle to avoid damaging any components.
– **Secure the Shaft**: Replace the bolts or screws that hold the input shaft in place. Use a torque wrench to tighten them to the manufacturer’s specifications if you have that information.
#### 5. **Reassemble the Excavator**
– **Reconnect Hoses
and electrical Connections**: Reattach any hoses or electrical connections you disconnected earlier.
– **Replace the Cover**: Put the cover back on and secure it with bolts or screws.
– **Refill Oil**: If you drained oil, replace it with new oil as per the excavator’s specifications.
#### 6. **Test the Excavator**
– **Reconnect the Battery**: Once everything is back together, reconnect the battery.
– **Start the Engine**: Start the excavator and let it run for a few minutes. Check for any leaks around the input shaft area.
– **Test Functionality**: Test the machine’s functionality to ensure everything is working correctly.
### Conclusion
Replacing the input shaft on a Terex TC35 excavator involves careful disassembly and reassembly. If at any point you feel unsure, don’t hesitate to ask for help from someone with more mechanical experience or consult the machine’s service manual for more specific instructions. Always prioritize safety and proper handling of tools and components.
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