Mining Machine Operator how-to
How to Change Continuous Miner Bits
Sharp bits cut better and make less dust.
Quick answer
Sharp bits cut better and make less dust. In short: de-energize; block; inspect, then complete the remaining steps below.
Step by step
De-energize and lock out the machine.
Block the cutter head.
Inspect bits for wear.
Remove worn bits.
Install new bits.
Remove locks and test.
Safety reminders for mining machine operators
- Never go under unsupported roof
- Monitor methane and ventilation
- Lock out before maintenance
- Carry and know your self-rescuer
Key terms
Face · Continuous miner · Roof bolting · Ventilation plan · Methane · Rock dust: see the full mining machine operator glossary.