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AFTER-SALES SERVICE
Troubleshooting
Fault 1 Poor or no lubrication, causing increase in wear or scoring
Oil is not reaching the impact mechanism of the rock drill
Causes and Remedies
1. Supply of air turottled or blocked
2. Too large a clearance, between the piston and the external cylinder, or between the piston and the internal, or between the piston and the air distributor.
3. Drill dogged by impurities
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