Which method is NOT used to correct softfoot?

• A. Adjust alignment
• B. Build worn feet up with polymeric products
• C. Replace all bolts with longer ones
• D. Machine flat base or feet

Answer: (C)

When addressing the softfoot condition, it's important to recognize that this issue arises when a machine's feet do not sit evenly on the foundation, leading to misalignment. The goal in correcting softfoot is to ensure that all feet of the machine are in proper contact with the base to allow for accurate alignment.

Adjusting the alignment, building up worn feet with polymeric products, and machining flat base or feet are all methods that can effectively address the problem. Adjusting alignment allows for leveling the machine once softfoot is corrected. Building up worn feet can involve using materials that will fill gaps and create a more stable foundation. Machining the base or feet flat can ensure that there are no irregularities affecting the contact surface.

Replacing all bolts with longer ones, on the other hand, does not directly address the issue of softfoot itself. While longer bolts may facilitate securing a machine in place, they do not resolve the uneven load distribution that is characteristic of softfoot. This method fails to create a stable footing for the machine and could potentially exacerbate the misalignment or create additional issues. Thus, it is not considered a valid method for correcting softfoot.