Regular lubrication: The excavator chain needs to be lubricated regularly to reduce friction and wear during operation. The use of specialized chain lubricants can reduce chain wear and prolong the service life of the chain. Develop a reasonable lubrication plan based on the frequency of excavator use to ensure that the chain is always in good lubrication condition.

清潔鏈條表面：挖機鏈條容易沾染泥土、灰塵等雜物，這些雜物會加速鏈條的磨損。因此，在每次使用結束后，應及時清潔鏈條表面?？梢允褂盟畼尰蛘咚⒆忧鍧嶆湕l，確保鏈條表面干凈無塵。

Clean the surface of the chain: The excavator chain is easily contaminated with dirt, dust, and other debris, which can accelerate the wear of the chain. Therefore, the surface of the chain should be cleaned promptly after each use. You can use a water gun or brush to clean the chain, ensuring that the surface of the chain is clean and dust-free.

防止鏈條過緊：挖機鏈條過緊會增加鏈條的負荷，導致鏈條的磨損加劇。因此，在使用挖機時，要確保鏈條的張力適當，不宜過緊或者過松。定期檢查鏈條的張力，并根據需要進行調整。

Preventing Chain Tightness: Tightness in the excavator chain can increase the load on the chain, leading to increased wear and tear of the chain. Therefore, when using excavators, it is necessary to ensure that the tension of the chain is appropriate and should not be too tight or too loose. Regularly check the tension of the chain and adjust it as needed.

避免鏈條變松：挖機鏈條過松會導致鏈條脫離軌道，甚至發生故障。因此，在使用挖機時，要及時調整鏈條的張力，避免鏈條變松。定期檢查鏈條的張力，確保其處于適當的狀態。

Avoid loose chains: Loose excavator chains can cause the chains to detach from the track and even malfunction. Therefore, when using the excavator, it is necessary to adjust the tension of the chain in a timely manner to avoid the chain becoming loose. Regularly check the tension of the chain to ensure it is in an appropriate state.

避免鏈條碰撞：在工作過程中，要注意避免挖機鏈條與其他硬物的碰撞，以防止鏈條受損。盡量避免鏈條與地面、墻壁等物體的直接接觸，減少鏈條的磨損和損壞。

Avoiding chain collision: During work, it is important to avoid collisions between the excavator chain and other hard objects to prevent chain damage. Try to avoid direct contact between the chain and objects such as the ground and walls to reduce wear and damage to the chain.

綜上所述，正確保護伸縮臂挖機的鏈條是非常重要的。通過定期潤滑、清潔鏈條表面、控制鏈條的張力、避免鏈條碰撞等方法，可以延長挖機鏈條的使用壽命，提高挖機的工作效率，降低維修成本。對于租賃的挖機來說，更需要加強對鏈條的保護，確保機器在租期內正常工作，減少不必要的損耗。

In summary, it is very important to properly protect the chain of the telescopic excavator. By regularly lubricating, cleaning the surface of the chain, controlling the tension of the chain, and avoiding chain collisions, the service life of the excavator chain can be extended, the work efficiency of the excavator can be improved, and maintenance costs can be reduced. For leased excavators, it is even more necessary to strengthen the protection of the chain, ensure that the machine operates normally during the lease term, and reduce unnecessary wear and tear.