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Replacing the shock mounts on a Komatsu WB150AWS 2N Backhoe Loader can be a straightforward process if you follow the steps carefully. Here’s a beginner-friendly guide to help you through it.
### What You Will Need:
1. **Tools:**
– Socket set (metric)
– Wrenches (metric)
– Torque wrench
– Screwdrivers (flathead and Phillips)
– Pliers
– Hammer or rubber mallet
– Jack and jack stands or ramps
– Safety glasses
– Gloves
2. **Parts:**
– New shock mounts (make sure they are compatible with your model)
– New shock absorbers (if necessary)
### Safety First:
1. **Park on a Level Surface:** Ensure your backhoe is parked on a flat, stable surface.
2. **Engage the Parking Brake:** This will prevent any movement while you are working.
3. **Wear Safety Gear:** Use gloves and safety glasses to protect yourself.
### Step-by-Step Guide to Replace Shock Mounts:
#### Step 1: Prepare the Backhoe Loader
1. **Lift the Backhoe:** Use a jack to lift the backhoe at the rear wheel area (where the shocks are located). Make sure to use jack stands to secure it, so it doesn’t fall.
2. **Access the Shock Mounts:** The shock mounts are typically located near the rear axle or at the top of the shock absorber. You may need to remove any covers or debris to access them.
#### Step 2: Remove the Old Shock Absorbers
1. **Locate the Shock Bolts:** find the bolts that secure the shock absorbers to the shock mounts.
2. **Unscrew the Bolts:** Use the socket set or wrench to remove the bolts. You may need to hold the shock in place with a wrench to prevent it from spinning.
3. **Take Off the Shock Absorbers:** Once unbolted, carefully remove the shock absorbers from their mounts. If they are stuck, gently tap them with a rubber mallet to loosen them.
#### Step 3: Remove the Old Shock Mounts
1. **Identify the Shock Mounts:** The shock mounts are typically rubber bushings that absorb vibrations.
2. **Unscrew the Mounting Bolts:** Use the socket set to remove the bolts holding the shock mounts in place.
3. **Remove the Old Shock Mounts:** Pull the old mounts out. If they are stuck, you can gently pry them out with a flathead screwdriver.
#### Step 4: Install the New Shock Mounts
1. **Insert the New Shock Mounts:** Place the new shock mounts in the same position as the old ones.
2. **Secure the Mounts:** Use the bolts you removed earlier to secure the new mounts in place. Make sure they are tight but be careful not to overtighten them.
3. **Reattach the Shock Absorbers:** Align the new shock absorbers with the mounts and bolt them into place. Again, ensure they are tight.
#### Step 5: Check Your Work
1. **Inspect Everything:** Before lowering the backhoe, double-check that all bolts are securely fastened
and that the shock absorbers are properly attached.
2. **Lower the Backhoe:** Carefully remove the jack stands and lower the backhoe to the ground.
#### Step 6: Test the Repair
1. **Start the Backhoe:** Once everything is back in place, start your backhoe loader.
2. **Test Drive:** Take the backhoe for a short test drive to ensure that the shocks are functioning correctly and that there are no unusual noises.
### Operation Tips:
– Always refer to your operator’s manual for specific torque specifications for the bolts.
– Regularly check the shocks and mounts for wear and tear, especially if you use your backhoe frequently.
– If you notice any leaks from the shock absorber or excessive bounce during operation, it may be time to replace them again.
### Conclusion:
Replacing shock mounts on a Komatsu WB150AWS 2N Backhoe Loader requires careful attention to detail and safety. By following these steps, you can complete the task successfully. If you’re ever unsure, don’t hesitate to ask for help from a more experienced mechanic or consult the service manual for your specific model. Happy wrenching!
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