Which maintenance action is necessary if a chainsaw does not cut in a straight line?

When a chainsaw does not cut in a straight line, inspecting the chain and guide bar is crucial because proper alignment and condition of these components directly affect the cutting performance. The chain must be sharp and properly tensioned to ensure that it engages the wood effectively. If the chain is dull or unevenly tensioned, or if the guide bar is worn or bent, these factors will lead to erratic cutting, making it difficult to maintain a straight line.

Additionally, irregularities in the cutting equipment can cause the chainsaw to push to one side, further complicating the cutting task. By thoroughly inspecting the chain and guide bar, a user can identify any issues, such as damage, wear, or improper adjustments, and rectify them to restore the chainsaw's cutting accuracy. Regular maintenance in this area can help in achieving efficient and straight cuts.