Download KOMATSU PC120-6, PC120LC-6 Hydraulic Excavator Operation & Maintenance Manual –

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Here’s a step-by-step guide for the replacement of a sway bar link on a Komatsu PC120-6 or PC120LC-6 hydraulic excavator, presented in reverse order:

### 5. **Reassemble Components**
– **Reconnect Sway Bar Link**: Install the new sway bar link by securing it to the sway bar and the suspension component. Ensure that the bolt and nut are tightened to the manufacturer’s specifications.
– **Reattach Any Removed Parts**: If any parts were removed to access the sway bar link, such as covers or shields, reinstall them carefully.

### 4. **Install New Sway Bar Link**
– **Position the New Sway Bar Link**: Align the sway bar link with the mounting holes on the sway bar and the suspension arm.
– **Secure with Bolts/Nuts**: Insert the bolts through the mounting holes and secure them with nuts. Use a torque wrench to tighten them to the specified torque settings.

### 3. **Remove Old Sway Bar Link**
– **Detach from Suspension**: Use a wrench to remove the nuts and bolts securing the old sway bar link to the suspension components.
– **Detach from Sway Bar**: Repeat the process to remove the sway bar link from the sway bar.

### 2. **Prepare the Excavator**
– **Park on Level Ground**: Ensure the excavator is parked on a flat surface to prevent any movement during the repair.
– **Engage Safety Measures**: Turn off the engine, set the parking brake, and use wheel chocks if necessary.
– **Raise the Excavator**: If needed, use a jack to lift the excavator and secure it with jack stands to access the sway bar link safely.

### 1. **Gather Tools and Parts**
– **Required Tools**: Gather necessary tools such as wrenches, sockets, a torque wrench, and possibly a hammer.
– **Replacement Parts**: Obtain the correct replacement sway bar link and any additional hardware if necessary.

### Additional Notes:
– **Safety Precautions**: Always wear appropriate personal protective equipment (PPE) such as gloves and safety glasses.
– **Consult the Manual**: If in doubt, refer to the service manual specific to the Komatsu PC120-6 for detailed specifications and torque settings.
– **Check Other Components**: After replacing the sway bar link, it may be a good opportunity to inspect other related components for wear or damage.

This reverse order guide should help you undersdownload KOMATSU PC120 6 PC120LC 6 Hydraulic Excavator Operation workshop manualtand the entire process of sway bar link replacement for a Komatsu PC120-6 or PC120LC-6 hydraulic excavator.
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