Precautions During Use:
1. Before operation, the motor must be idle half a minute, work after smooth operation and no abnormal phenomenon.
2. Forcibly even during drilling in to prevent bit from stuck.
3. Prevent cooling water entering the motor during drilling.
4. Slow down drilling speed when the hole is about to drilling through, in case of drill bit damage.
5. After the completion of the drilling, shut down the engine and then get off the track. Don't touch the bit until it completely stop running.
6. Must turn of the motor when epair, maintenance or replacement parts.
7. If any motor or transmission abnormalities found, immediately stop working, do not disassemble, our technicals will consider repair or replacement according to the specific circumstances.