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Regular maintenance is essential for the efficient operation and longevity of DTH hammers, which are crucial drilling tools used in underground mining, construction, and water well drilling. To ensure smooth functioning and prolong the lifespan of DTH hammers, daily maintenance is paramount.

First and foremost, keeping the DTH hammer clean is crucial. Even tiny particles of foreign matter can cause severe damage to the piston and internal running surfaces. When storing and using DTH hammers, it is important to ensure that the hammer and pipes are in a clean environment and utilize clean protective end caps to prevent dust and other contaminants from entering.

Secondly, regular inspection of the piston surfaces and internal bore walls of the DTH hammer is essential, with particular attention given to the presence of hot spots or scratch marks. If these issues are identified, it is advisable to remove them using diamond grinding wheels or tape. For scratch marks on the bore walls of the wear sleeve, the use of a Glaze Buster grinding tool for repair is recommended, similar to tools used in the automotive industry to clean engine piston bores.

Additionally, when installing new hoses or connecting back reamers, it is important to take precautions to prevent contamination. Ensure that the inside of the pipes is clean and prevent contaminants from entering the DTH hammer system.

Finally, regular maintenance of the DTH hammer is key to maintaining its performance and longevity. When storing the hammer, use clean containers and sealed buckets to store air lube, and maintain the hammer and pipes. Following these simple maintenance steps can help reduce damage to the DTH hammer and extend its useful life, ensuring smooth drilling operations.