On November 5, 2025, our company received an urgent report from an overseas customer regarding an Epiroc 18U hydraulic rock drill. After performing the 800-hour maintenance package, the customer noticed abnormal gearbox overheating during operation.
Upon receiving the feedback, we immediately activated our after-sales emergency response protocol and dispatched a professional service engineer to the site. Through detailed inspection and performance testing, it was determined that the gearbox spacer adjustment gap was too small, restricting oil flow and causing the temperature to rise excessively.
After readjusting the spacer clearance and running verification tests, the machine resumed normal operation with gearbox temperature back within the safe range. The customer expressed great satisfaction with our quick response and technical expertise.
This incident once again demonstrates our company’s strong capability in rock drill maintenance, troubleshooting, and customer service. We remain committed to the principle of “Quality First, Service Always,” delivering reliable equipment solutions to customers worldwide.
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