Replacing the shock mounts on a Hitachi EX120-5 excavator can seem daunting, but with some basic tools and a little patience, you can do it yourself. click here for more details on the download manual…..
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Here’s a step-by-step guide to help you through the process:
### Tools and Materials Needed:
1. **Basic Hand Tools**: Wrenches, sockets, and ratchet.
2. **Pry Bar**: For leverage if needed.
3. **Jack and Jack Stands**: To lift the excavator safely.
4. **New shock Mounts**: Make sure they are compatible with the Hitachi EX120-5.
5. **Lubricant**: For bolts, if necessary.
### Safety First:
– **Turn Off the Excavator**: Ensure the machine is completely powered down.
– **Secure the Area**: Make sure the area around the excavator is clear of obstacles and personnel.
– **Wear Safety Gear**: Use gloves and safety glasses for protection.
### Step-by-Step Procedure:
1. **Lift the Excavator**:
– Use the jack to lift the excavator slightly off the ground. Make sure it’s stable and secure with jack stands.
2. **Locate the shock Mounts**:
– The shock mounts are typically found where the hydraulic boom connects to the base of the excavator. Refer to your owner’s manual for exact locations.
3. **Remove the Old shock Mounts**:
– Using the appropriate socket or wrench, loosen and remove the bolts that hold the shock mounts in place. Keep these bolts in a safe place, as you will need them for the new mounts.
– If the mounts are stuck, you may need to use a pry bar for leverage. Be careful not to damage surrounding parts.
4. **Inspect the Area**:
– Once the old mounts are removed, inspect the area for any signs of wear or damage. Clean any dirt or debris to ensure a good fit for the new mounts.
5. **Install the New shock Mounts**:
– Position the new shock mounts in place. Align them with the holes where the old mounts were located.
– Insert the bolts and hand-tighten them first to ensure everything is aligned properly.
6. **Tighten the Bolts**:
– Using your wrench or socket, tighten the bolts securely. Make sure they are tight enough to hold the mounts firmly but be cautious not to overtighten and damage the mounts.
7. **Lower the Excavator**:
– Once everything is tightened, carefully remove the jack stands and lower the excavator to the ground.
8. **Test the Mounts**:
– Before resuming normal operation, check the shock mounts visually to ensure they are in place
and secure. If possible, run the excavator for a short time to check for any unusual noises or vibrations.
9. **Cleanup**:
– Dispose of the old shock mounts and any debris. Make sure your tools are put away safely.
### Conclusion:
Replacing shock mounts on a Hitachi EX120-5 excavator is a manageable task that can improve the performance and stability of your machine. With the right tools and a careful approach, you can complete this job successfully. If you have any doubts or run into issues, don’t hesitate to consult a professional mechanic.
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