Replacing the struts on a Bobcat 520, 530, or 533 Skid Steer Loader requires careful attention to detail and safety precautions. click here for more details on the download manual…..
Here’s a detailed guide on how to perform this task.
### Tools and materials Needed:
1. **Tools:**
– Wrenches (sized for your specific bolts, typically 3/8″, 1/2″, and 9/16″)
– Socket set
– Torque wrench
– Floor jack or hydraulic jack
– Jack stands
– Pry bar
– Screwdrivers (flathead and Phillips)
– Hammer
– Safety goggles
– Gloves
2. **Materials:**
– Replacement struts (specific to model 520, 530, or 533)
– New bolts/nuts (if necessary)
– Lubricant or anti-seize compound
– Cleaning rags
### Step-by-Step Procedure:
#### **1. Safety First**
– Park the skid steer on a flat, stable surface.
– Engage the parking brake and turn off the engine.
– Disconnect the battery by removing the negative terminal to prevent any accidental starts.
#### **2. Lift the Skid Steer**
– Use a floor jack to lift the front of the skid steer.
– Place jack stands under the frame to secure it in place. Ensure the skid steer is stable.
#### **3. Remove the Old Struts**
– **Locate the Struts:** The struts are typically located at each corner of the skid steer’s frame where the loader arms are connected.
– **Remove Bolts:** Using the appropriate socket and wrench, remove the bolts securing the strut to the frame and to the loader arm. there may be a bolt at the top and bottom of each strut.
– **Detach the Strut:** After the bolts are removed, you may need to gently tap the strut with a hammer to loosen it. If it’s stuck, a pry bar can help leverage it out. Be cautious not to damage surrounding components.
#### **4. Prepare for New Strut Installation**
– **Clean the Area:** Wipe down the mounting points on the skid steer to remove any dirt or debris. This ensures a good fit for the new struts.
– **Inspect Other Components:** While you have the strut area accessible, inspect related components like bushings and bolts for wear. Replace them If necessary.
#### **5. install the New Struts**
– **Position the New Strut:** Align the new strut in its mounting position. It should fit snugly into place.
– **Insert Bolts:** Start threading the bolts by hand to avoid cross-threading. Once they are in place, use a wrench to tighten them, but do not fully tighten yet.
– **Torque Specifications:** Refer to the service manual for the specific torque settings for the strut bolts. Use a torque wrench to tighten the bolts to the recommended specifications.
#### **6. Reassemble and Lower the Skid Steer**
– **Check Alignment:** Ensure the strut is properly aligned
and seated in its mounts.
– **Lower the Skid Steer:** Carefully remove the jack stands and lower the skid steer back to the ground using the floor jack.
#### **7. Reconnect Battery and Test**
– Reconnect the negative battery terminal.
– Start the skid steer and test the functionality of the loader arms and struts. Listen for any unusual noises and check for proper operation.
#### **8. Final Inspection**
– After a short test run, inspect the strut installation and ensure everything is secure. Look for any signs of leaks or misalignment.
### Conclusion:
Replacing the struts on a Bobcat 520, 530, or 533 Skid Steer Loader can be completed with careful attention to detail and safety. Always refer to the specific service manual for your model for any particular instructions or torque specifications. If you’re unsure about any part of the process, it’s wise to consult with a professional mechanic or technician.
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