AMERICAN PNEUMATIC TOOL ROCKDRILL APT 155 ROCK

Yzg90 pneumatic rock drill usage and maintenance

Yzg90 pneumatic rock drill usage and maintenance

Fill the reservoir with air tool oil or 10W equivalent for 9 lb and 15 lb class. Use rock drill oil for the 38 lb and 60 lb class tools. Check all nuts and bolts to ensure they are tight on the tool. Make sure retainer locks into place. Replace retainer and springs if worn. [pdf]

Pneumatic rock drill repair and maintenance

Pneumatic rock drill repair and maintenance

Fill the reservoir with air tool oil or 10W equivalent for 9 lb and 15 lb class. Use rock drill oil for the 38 lb and 60 lb class tools. Check all nuts and bolts to ensure they are tight on the tool. Make sure retainer locks into place. Replace retainer and springs if worn. [pdf]

American Inspur air compressor screw structure

American Inspur air compressor screw structure

The heart of the screw air compressor is the twin-screw element, which consists of two interlocking helical rotors that compress the air. These rotors are housed within a casing, creating a tight seal to prevent air leakage. The drive system powers and regulates the rotation of the rotors. [pdf]

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