English 
English
中文简体The maintenance steps for a needle beam type pneumatic rust removal gun include:
Clean the gun thoroughly after each use to remove any rust or debris that may have accumulated in the nozzle or inside the gun.
Check the air pressure and adjust as needed to ensure the gun is operating at the correct pressure.
Inspect the needles for wear or damage, and replace them as needed.
Lubricate the gun's moving parts, such as the trigger and needle bearing, to keep them working smoothly.
Check the hoses and connections for leaks or damage, and repair or replace them as needed.
Store the gun in a dry place to prevent rust or corrosion.
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