Common Pneumatic Rock Drill Troubleshooting Guide-Company News-Santik (Shenyang) Mining Equipment Co., Ltd.

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Common Pneumatic Rock Drill Troubleshooting Guide

2025.01.15

Please operate the rock drill according to the user manual to ensure stable and reliable performance. In case of malfunction, the following are common faults and corresponding troubleshooting methods:

Common Pneumatic Rock Drill Troubleshooting Guide

Issue	Possible Cause	Recommended Solution
1. Weak Impact Force	- Low air pressure - Worn piston or cylinder - Air leakage	- Check and adjust air supply - Replace worn components - Inspect and seal leaks
2. Drill Not Operating	- Blocked air hose - Faulty control valve - Lubricator empty	- Clean or replace air hose - Inspect and replace valve - Refill lubricator
3. Overheating	- Inadequate lubrication - Excessive use without rest	- Use recommended oil - Allow cool-down periods during operation
4. Excessive Vibration	- Loose bolts - Bent or damaged drill steel - Worn chuck parts	- Tighten all fasteners - Replace drill steel - Inspect and replace chuck
5. Air Leaks	- Damaged hoses or fittings - Loose connections	- Replace damaged parts - Re-tighten connections
6. Low Drilling Speed	- Dull drill bit - Improper air pressure - Clogged air filter	- Sharpen or replace drill bit - Adjust pressure - Clean or replace air filter
7. Oil Leakage	- Overfilled lubricator - Faulty seals	- Drain excess oil - Replace seals
8. Abnormal Noise	- Internal wear - Loose internal components	- Disassemble and inspect - Replace worn parts