The ST 350 Meters Deep Water Well Pneumatic Drilling Machine is designed for efficient well drilling in various geological conditions. This hydraulic crawler drilling machine is particularly effective for mountain and rock formation projects, with a maximum drilling depth of 350 meters and hole diameter range of 105-350 mm.

• Capable of drilling in various strata with borehole diameters up to 245-294mm
• Hydraulic technology with high torque hydraulic motor rotation
• Large bore hydraulic cylinder push system
• Multi-cylinder engine from reputable manufacturer powers the hydraulic system
• Two-stage air filter and air compressor intake design extends engine life
• Special pump set design for enhanced performance

• Multiple models available for water well drilling, mine blast holes, and underground projects
• Payment terms: 30% deposit, 70% before delivery with product photos provided
• Standard delivery time: 7-10 working days after payment (varies by order specifics)
• 1 year warranty on main machine (hammer excluded)
• Comprehensive support including installation and operation videos

1. Unscrew and discard the old oil filter
2. Clean the filter shell and clear differential pressure through holes
3. Verify differential pressure transmitter functionality
4. Fill new filter with oil and lubricate sealing ring
5. Install filter until contact with gasket, then hand-tighten an additional 1/3 turn
6. Check for leaks after startup