Repairing the power steering system on a Kobelco 80CS excavator may seem daunting, especially if you have little mechanical experience. click here for more details on the download manual…..
- Kobelco 80CS Excavator
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However, I’ll break it down into simple steps for you. Always remember to prioritize safety and consult the owner’s manual for specific details related to your model.
### Tools and Materials Needed:
– Wrenches and sockets
– Screwdrivers (flathead and Phillips)
– Pliers
– Replacement parts (if needed, like hoses, seals, or a pump)
– Power steering fluid
– Rags or shop towels
– A clean container for old fluid
– Safety glasses and gloves
### Step-by-Step Guide:
#### 1. **Safety First**
– Turn off the machine and ensure it is on a flat surface.
– Engage the parking brake.
– Wear safety glasses and gloves to protect yourself.
#### 2. **Inspect the Power Steering System**
– Locate the power steering pump, which is usually found near the engine.
– Check for any visible leaks around the pump, hoses, and connections.
– Look for any warning lights on the dashboard that may indicate power steering issues.
#### 3. **Check Fluid Levels**
– Find the power steering fluid reservoir. It’s usually marked and located near the pump.
– Remove the cap and check the fluid level. If it’s low, you can add the appropriate power steering fluid (refer to the manual for specifications).
#### 4. **Identify the Problem**
– If the fluid is low, check for leaks. If you see any, you may need to replace the affected hoses or seals.
– If the fluid level is fine but the steering is still hard or not responsive, the pump may need repair or replacement.
#### 5. **Drain Old Fluid (if necessary)**
– place a clean container under the power steering system to catch any old fluid.
– Loosen the hose clamp and gently disconnect the return line from the reservoir to drain the fluid.
#### 6. **Replace or Repair Components**
– If you found leaks or issues:
– **Hoses:** If a hose is damaged, you can replace it. Measure the length and diameter, and purchase a replacement from a parts supplier.
– **Pump:** If you suspect the pump is faulty, you may need to remove it. Disconnect the power steering lines and electrical connections. Unbolt the pump and replace it with a new one.
#### 7. **Reassemble Everything**
– Once you’ve replaced any faulty parts, reattach the hoses and pump, ensuring all connections are tight.
– Reconnect any electrical connections if applicable.
#### 8. **Refill Power Steering Fluid**
– pour new power steering fluid into the reservoir until it reaches the recommended level.
– Replace the reservoir cap securely.
#### 9. **Bleed the System**
– Start the machine and turn the steering wheel from left to right several times to help remove air bubbles from the system.
– Check the fluid level again
and add more fluid if necessary.
#### 10. **Test the System**
– After bleeding, test the steering system by moving the machine in a safe area. Ensure the steering feels smooth and responsive.
– Check for any leaks around the newly replaced components.
### Conclusion
If at any point you feel unsure or overwhelmed, it’s always a good idea to consult a professional mechanic or service technician. Power steering systems can be complex, and getting help from someone with experience can save you time and ensure the job is done correctly.
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