How to identify and replace worn .325'' Full Chisel saw chain links?

1. Identify worn links
Observe the appearance of the chain:
Carefully inspect each link and cutting tooth of the saw chain. Worn links may show obvious physical changes, such as chain stretching, link deformation, or roughening of the chain surface.
Pay attention to the wear of the cutting teeth. If the tooth tips become blunt, chipped, or wear irregularly, this may be a sign of worn links.
Check the chain tension:
Excessive stretching of the chain is a clear sign of wear. Use appropriate tools (such as a chain tensioner or ruler) to check whether the chain tension meets the manufacturer's recommended value.
If the chain appears loose at standard length or requires frequent tension adjustments, it is likely that the chain is worn.
Evaluate chain performance:
During actual use, pay attention to whether the saw chain's cutting efficiency decreases, whether there is any vibration or increased noise. These may be indirect manifestations of chain wear.
2. Replace worn links
Prepare tools and materials:
Prepare chain link replacements, chain saw wrenches, chain breakers (if you need to break the chain), chain lubricants and other tools suitable for .325'' Full Chisel saw chains.
Disconnect the chain:
If you are only replacing a single or a few worn links, you can use a chain breaker to break the chain near the worn link.
If the entire chain is severely worn, you may need to completely remove the chain for replacement.
Remove worn links:
Use a chain saw wrench or appropriate tools to remove the worn links from the chain. Make sure not to damage other intact links.
Install new links:
Install the new links to the chain, making sure the connection between the links is correct and tight. Use a chain saw wrench or other tools to secure the links in place.
Reconnect the chain:
If the chain was previously disconnected, it now needs to be reconnected. Use a chain breaker or appropriate tools to connect the two ends of the chain and make sure the connection is secure.
Adjust chain tension:
Adjust the chain tension according to the manufacturer's recommendations. Use a chain tension gauge or ruler to ensure the tension is correct.
Lubricate the chain:
After replacing the chain links and adjusting the tension, lubricate the chain with chain lubricant. This helps reduce wear and friction on the chain and improve cutting efficiency.
Precautions:
Before performing any maintenance or replacement work, always turn off the power or engine of the chain saw and ensure that the chain saw is in a safe state.
Use appropriate tools and materials and follow the manufacturer's guidelines.
Regular inspection and maintenance of the saw chain can extend its service life and improve cutting efficiency. If you find that the chain is severely worn or the performance has declined, please replace the worn chain links or the entire chain in time.