Trailer rig remove principle is generally after the first, first after the demolition. Rig accessories remind is disassembled should pay attention to the following: open the gas, liquid and water piping excuse for seals shall be, keep the drill pipe and the outlet clean, avoid clutter. Drill is disassembled fasteners should be separate packing and label marked or load special packing box. Used for the connection screw, nut should be separate packing, avoid high strength screw, nut and other screw, nut, confusion. Air system software should avoid to be stained with oil, the pipeline external thread used clean plastic cloth bandage, avoid thread and keep the tube clean bruised. Large trailer rig disassembly and assembly, fall off, are forbidden to touch, in order to avoid damage to the parts. If you need more long-distance transportation or stored for a long time, should make processing of rain, moisture, rust, and produce packaging packaging, fill in the packing list. All equipment within the liquid (oil and water) shall be drained.
Maintenance engineering impact drill class: (1) to drill outside surface to wipe clean, and pay attention to the rig substructure method, clean and good lubrication on the surface of the vertical shaft, etc. (2) check all exposed bolt, nut, insurance pin is strong and reliable. (3) according to the requirements of lubrication filling lubricating oil or grease, see figure 2 and table 1. (4) check the transmission, transfer case and the oil level of hydraulic system of the tank. 5. Check the spill everywhere and visual processing. 6. Eliminate other fault occurring in the class. (2) the impact drill in jiangsu weekly maintenance: (1) class thoroughly maintenance required by the project. (2) to get rid of the chuck and slip tooth surface dirt, dirt. (3) clean the inner surface of the brake oil, mud, etc. (4) ruled out fault happens within this week.