Repairing the suspension spring seat on a KUBOTA L35 Tractor Loader Backhoe involves several steps, tools, and components. click here for more details on the download manual…..
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The suspension spring seat is a critical part of the tractor’s suspension system, and problems with it can lead to poor vehicle handling and comfort.
### Tools and Materials Needed
1. **Tools:**
– Socket set (with ratchet)
– Wrenches (metric sizes)
– Torque wrench
– Pry bar
– Hammer
– Screwdrivers (flathead and Phillips)
– Pliers
– Jack and jack stands or a hydraulic lift
– Safety glasses
– Gloves
2. **Replacement Parts:**
– Suspension spring seat (OEM or aftermarket)
– Rubber bushings (if needed)
– Bolts/nuts (if damaged or worn)
– Grease or lubricant
### Steps for Suspension Spring Seat Repair
#### 1. Safety Precautions
– Ensure the machine is on a stable, level surface.
– Engage the parking brake.
– Disconnect the battery to avoid any electrical shorts.
#### 2. Raise the Backhoe
– Use a jack to lift the rear of the tractor loader backhoe.
– Secure it with jack stands to ensure safety while working beneath the machine.
#### 3. Remove the Rear Wheels (if necessary)
– Depending on the access to the suspension components, you may need to remove the rear wheels. Use a socket wrench to remove the lug nuts and take off the wheels.
#### 4. Inspect the Suspension Components
– Identify the location of the suspension spring seat, which is typically located near the rear axle where the suspension springs are mounted.
– Look for signs of wear, rust, or damage on the spring seat and surrounding components.
#### 5. Remove the Old Spring Seat
– Disconnect the suspension spring by removing the bolts securing it to the spring seat. Use a wrench or socket set to take off these bolts.
– If the spring seat is held in place by additional components, such as brackets or supports, remove those as well.
– Use a pry bar if the spring seat is stuck or rusted in place. Be cautious not to damage surrounding components.
– Once free, carefully remove the old spring seat from its mounting location.
#### 6. Prepare the New Spring Seat
– Clean the mounting area on the tractor where the new spring seat will be installed. Remove any rust, dirt, or debris.
– If the new spring seat comes with rubber bushings, ensure they are installed properly in the mounting holes.
#### 7. Install the New Spring Seat
– Position the new suspension spring seat in the correct orientation.
– Insert bolts through the spring seat and into the mounting holes, securing them loosely at first.
– Ensure that the rubber bushings are properly aligned and seated.
#### 8. Reattach the Suspension Spring
– Lift the suspension spring into place and align it with the new spring seat.
– Insert and tighten the bolts that secure the spring to the new spring seat. Use a torque wrench to tighten to the manufacturer’s specifications (refer to the KUBOTA L35 service manual for specific torque values).
#### 9. Reassemble Additional Components
– If there were any brackets or supports removed, reinstall them at this stage.
– Ensure all bolts are tightened to the proper specifications.
#### 10. Reinstall the Wheels (if removed)
– Place the rear wheels back onto the axle, aligning the holes with the wheel studs.
– 
Hand-tighten the lug nuts before lowering the vehicle.
– Use a torque wrench to tighten the lug nuts to the manufacturer’s specifications.
#### 11. Lower the Backhoe
– Carefully remove the jack stands and lower the backhoe back to the ground using the jack.
#### 12. final Checks
– Reconnect the battery.
– Start the tractor and check for any unusual noises or issues with the suspension.
– Test drive the tractor loader backhoe to ensure proper handling and comfort.
### Conclusion
Repairing the suspension spring seat on a KUBOTA L35 Tractor Loader Backhoe requires attention to detail and safety precautions. By following the steps outlined above, you can successfully replace the spring seat and maintain the functionality of the tractor’s suspension system. Always refer to the specific service manual for the KUBOTA L35 for any specific instructions or torque specifications related to your model.
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