Download Hyundai Robex 55-7 Crawler Excavator Service & Repair Workshop Manual –

Replacing the transmission pump on a Hyundai Robex 55-7 Crawler Excavator can seem daunting, especially if you have little mechanical experience. click here for more details on the download manual…..

However, with careful guidance and the right tools, you can tackle the job. Here’s a simplified step-by-step guide to help you through the process.

### Tools and Materials Needed:
– Basic hand tools (wrenches, sockets, screwdrivers)
– Hydraulic fluid (check the specification for your model)
– Clean rags or shop towels
– A container for draining fluids
– Safety equipment (gloves, goggles)

### Safety First:
1. **Work in a Safe Environment**: Ensure the excavator is on a flat, stable surface.
2. **Turn Off the Engine**: Make sure the engine is turned off and cool before you start working.
3. **Disconnect the Battery**: To prevent any electrical accidents, Disconnect the negative terminal of the battery.

### Step-by-Step Process:

1. **Prepare the Excavator**:
– **Raise the Boom**: If possible, raise the boom and secure it with safety props. This gives you better access to the pump.
– **Drain Hydraulic Fluid**: Place a container under the hydraulic system’s drain plug and remove it to drain the fluid. This prevents spills and makes the process cleaner.

2. **Locate the Transmission Pump**:
– The transmission pump is usually located on the side of the transmission. Consult your owner’s manual for its exact location.

3. **Remove the Old Pump**:
– **Disconnect Hoses**: Carefully Disconnect the hydraulic hoses attached to the pump. Be prepared for residual fluid to spill out, so have rags ready.
– **Unbolt the Pump**: Use the appropriate wrench or socket to remove the bolts securing the pump to the transmission. Keep track of the bolts, as you will need them for the new pump.
– **Take Out the Pump**: Once unbolted, gently wiggle the pump free from its mounting. If it’s stuck, tap lightly with a rubber mallet to loosen it.

4. **Install the New Pump**:
– **Position the New Pump**: Align the new transmission pump with the mounting holes on the transmission.
– **Bolt It In Place**: Secure the pump by tightening the bolts you removed earlier. Ensure it is snug but do not over-tighten, as this can damage the pump or transmission.
– **Reconnect Hoses**: Reattach the hydraulic hoses to the new pump. Ensure they are fitted tightly to prevent leaks.

5. **Refill Hydraulic Fluid**:
– Pour in the correct type of hydraulic fluid through the fill port. Check the owner’s manual for the specific type download Hyundai Robex 55 7 Crawler Excavator workshop manual and amount needed.

6. **Reconnect the Battery**: Reattach the negative terminal of the battery.

7. **Test for Leaks**:
– Start the excavator and let it run for a few minutes. Check around the pump for any signs of leaks. If you see any, turn off the engine and tighten the connections.

8. **Final Checks**:
– Ensure all tools are removed from the work area, and the excavator is safe to operate.
– Dispose of any old hydraulic fluid appropriately.

### Conclusion:
Replacing the transmission pump on a Hyundai Robex 55-7 Crawler Excavator can be a straightforward task if you follow these steps carefully. Always prioritize safety, and don’t hesitate to consult the owner’s manual for specific details related to your model. If at any point you feel unsure, consider seeking help from a more experienced mechanic.
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