Download Komatsu D51EXi-22, D51PXi-22 Crawler Dozer Service Repair Workshop Manual –

Replacing the struts on a Komatsu D51EXi-22 or D51PXi-22 Crawler Dozer is a task that requires some mechanical understanding, but I’ll break it down into simple steps to guide you through the process. click here for more details on the download manual…..

Please ensure you have the proper tools and safety equipment before starting.

### Tools and Materials Needed:
– Safety gloves and goggles
– Wrench set
– socket set
– Torque wrench
– Jack and jack stands
– Strut replacement parts
– Lubricant (like WD-40)

### Safety First:
1. **Park the Dozer on Level Ground**: Ensure the dozer is parked on a flat, stable surface.
2. **Turn Off the Engine**: Make sure the engine is completely off and cool.
3. **Engage the Parking Brake**: This prevents the dozer from moving unexpectedly.

### Step-by-Step Guide to Strut Replacement:

#### 1. **Prepare the Dozer**
– **Raise the Dozer**: Use a jack to lift the dozer. Make sure to place jack stands under the machine to secure it. This is crucial for your safety.
– **Remove Any Obstructions**: Clear any debris or parts that might be in the way of accessing the struts.

#### 2. **Locate the Struts**
– **Identify the Struts**: The struts are usually located at the front of the dozer, connecting the chassis to the undercarriage. They look like thick metal rods or tubes.

#### 3. **Remove the Old Struts**
– **Loosen the Bolts**: Using the appropriate wrench or socket, loosen the bolts securing the struts at both ends (top and bottom).
– **Remove the Struts**: After the bolts are completely loosened, carefully remove the struts from their mounts. You may need to wiggle them a bit to get them out.

#### 4. **Install the New Struts**
– **Position the New Struts**: take the new struts and position them in the same place as the old ones were.
– **Secure the Struts**: Start by hand-tightening the bolts at both ends of the struts. Once they are in place, use a torque wrench to tighten them to the manufacturer’s specifications (check the manual for the correct torque settings).

#### 5. **Recheck Everything**
– **Inspect Your Work**: Make sure all bolts are tight and secure. check for any tools or parts left behind in the work area.
– **Lower the Dozer**: Carefully remove the jack stands and lower the dozer back to the ground.

#### 6. **Test the Dozer**
– **Start the Engine**: Turn the engine back on and let it run for a few minutes.
– **Check for Noises**: Listen for any unusual noises that might indicate a problem.
– **Test Drive**: If everything sounds good, take the dozer for a short test drive to ensure everything is functioning correctly.

### Final Thoughts:
– **Dispose of Old Parts Properly**: Make sure to dispose of the old struts responsibly.
– **Regular Maintenance**: Regularly check your dozer’s struts download Komatsu D51EXi 22 D51PXi 22 Crawler Dozer workshop manual and other components to ensure they are in good working condition.

If at any point you feel unsure or uncomfortable with the process, it’s best to consult a professional mechanic or refer to the dozer’s service manual for detailed instructions specific to your model.
The clutch fork is a critical component in a vehicle’s manual transmission system, playing a vital role in the engagement and disengagement of the clutch. It is a lever mechanism that operates in conjunction with the clutch pedal and the clutch assembly, facilitating the transfer of power from the engine to the transmission. When the driver presses the clutch pedal, the clutch fork pivots, pushing the release bearing against the pressure plate. This action disengages the clutch, allowing the driver to shift gears without damaging the transmission or stalling the engine.

Typically constructed from durable materials such as steel or cast iron, the clutch fork is designed to withstand the significant forces exerted during operation. Its design often includes a pivot point and a long arm, which helps amplify the movement of the clutch pedal to effectively disengage the clutch. The fork is usually located in the bell housing of the transmission, and its proper function is essential for smooth gear changes.

If the clutch fork malfunctions or becomes damaged, it can lead to issues such as difficulty in shifting gears, clutch slippage, or complete failure to disengage the clutch. Regular inspection and maintenance of the clutch system, including the clutch fork, are essential to ensure reliable vehicle performance and longevity of the transmission system.