1. First, to choose the right installation position and power machine of wood chippers. Long-term fixed job, it should be fixed on the cement base unit. Units must be installed firmly, no loose; two machine pulley should be in a straight line can not be skewed. 2. Base to all solidified, and then repeated systematic and comprehensive inspection of the unit static, dynamic and empty load test run for 3 to 5 minutes, if no anomalies can be put into operation. 3. powered electricity, should be looking for professionals (electrician) on lines for rational distribution. Power lines and facilities necessary to regulate neat, are not permitted to install and use improvise. 4. Wood chippers put into operation about 10 days, you should open the cover, rotor, hammer and other moving parts to be checked, for each fastening bolts, check the bearing is oiled, if catching grazing phenomenon should be promptly removed. 5. In the job to be performed on the processing of materials carefully, removing nails, stones, wire and other hard objects to avoid wounding loss machine accident. 6. The operator is prohibited to wear gloves work, should stand mill feed material timber side, in order to avoid a rebound debris injured face. When crushed long stalk crops can not grip too tight, to prevent accidents. 7. In order to continue running, pay close attention to the work of the wood chippers, if found to have vibration, abnormal sound, bearing and mechanical temperature is too high or outward paste and so on, should immediately stop inspection, troubleshooting the work. 8. blockage, when overloaded, should be immediately shut down. Do not use a stick or hand forced feeding, in order to avoid injuring the arm and damage the machine. The unit must be checked after each work shift and complete maintenance to ensure that the unit is in good working condition.