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2026-5-20Which Pneumatic Rib Drill malfunctions most frequently?
1. Insufficient air pressure: The working air pressure does not reach the standard of 0.4–0.63 MPa, or the air compressor output capacity is insufficient, causing the motor to be unable to exert -

2026-5-18What are some common malfunctions of the Pneumatic Rib Drill?
I. Insufficient Power or Reduced Speed Insufficient Air Pressure: The working air pressure is not within the standard range of 0.4–0.63 MPa, resulting in a decrease in motor output power. Air Su -

2026-5-15How to Determine if Pneumatic Roofbolters are Damaged
1. Observe for Abnormal Lifting and Lowering Weak or Slow Lifting: If the outrigger struggles to rise or its speed slows significantly under normal air supply, it may indicate worn seals or air leakag -

2026-5-13Repair Procedure for Outriggers Failing to Descend on Pneumatic Anchor Drilli...
1. Inspect and Clean the Exhaust System Check if the cylinder exhaust ports on the three-way valve body and the fixing sleeve are blocked by coal dust or oil. Use a thin wire to clear any blockages. R -

2026-5-11Can a pneumatic anchor drill rig's air leg not dropping be repaired?
1. Exhaust system blockage can be cleaned. If the exhaust port on the three-way valve body or the fixing sleeve is blocked, preventing gas from escaping, it can be cleared with a thin wire or the exha -

2026-5-08Solutions for Outriggers Failing to Descend on Pneumatic Anchor Drilling Rigs
1. Clean the Exhaust Channel Check if the cylinder exhaust port on the three-way valve body and the fixing sleeve is blocked by coal dust or oil. Use a thin wire to clear the blockage. Remove the exha -

2026-5-06Common Reasons Why the Outrigger Fails to Descend on a Pneumatic Anchor Drill...
1. Blocked Exhaust Hole or Valve: The outrigger's descent relies on the discharge of internal gas. If the exhaust hole or valve on the three-way valve body or the fixing sleeve is blocked by coal -

2026-5-04What to do if the pneumatic Roofbolters' air arm doesn't drop down?
1. Check for blockages in the exhaust port. Check the cylinder exhaust port on the three-way valve body and the mounting sleeve. If blocked, clean it with a wire. Clean the exhaust valve to ensure pro -

2026-5-01What to do with Pneumatic Roofbolters after they reach the end of their lifes...
1. Shutdown and Isolation: Once the equipment's lifespan is determined to have expired (e.g., continuous operation exceeding 2000 hours, severe wear of key components, significant performance degr -

2026-4-24How to quickly troubleshoot Pneumatic Anchor Cable Tensioning problems?
1. Observation: Initial inspection to identify abnormalities Check hydraulic oil: Observe whether the oil level is sufficient, whether the oil color is dark or emulsified (water ingress), and whether -

2026-4-22Common Faults of Mining Anchor Cable Tensioning Machines
Main Common Faults and Causes 1. Insufficient Tensioning Force or Inability to Reach Rated Pressure Insufficient hydraulic oil or oil contamination leading to unstable pump pressure. Aging of high-pre -

2026-4-20What are some maintenance tips for Pneumatic Anchor Cable Tensioning?
1. Pre-shift checks are essential. Check the air and oil lines for damage, leaks, or breaks; ensure all control handles operate smoothly and reliably; ensure the oil pump has sufficient oil and add hy


