Mucking Loader Tunnel Mucking Loader Product Production Precautions during operation of tunnel mucking loader: 1. Hydraulic system working room, keep the hydraulic oil temperature 鈮?70 鈩? 2. No load operation for 3 ~ 5 minutes before operation can prolong the service life of hydraulic components. 3. If the transmission shaft and steering mechanism do not work for 10 hours, they must be greased...