Detachable or detachable parts try not to disassemble. Dispensing pump in operation, use a small oil pan to take out the flow of diesel. When disassembling the pump rotor, be sure to disassemble along the direction of rotation of the distribution rotor. When dismantling, use a special wrench. Distribution of small screws in the middle of the rotor right end of the hole is the processing center of the stuffy stuffy hole, the general do not split. Timing ring Do not remove the cam ring, because it is fixed by its own flexibility in the body of the code, the factory positioning has been corrected, not easy to calibrate after demolition. When removing the spline cover and the front and back control boards, pay attention to the original assembly position so that it can be installed and restored. Only adjust the maximum fuel supply before allowing a slight rotation around the control panel. Pressure regulator valve assembly, such as trouble-free do not disassemble, if you must disassemble, you should pay attention to the regulator valve spring do not lose, according to the original back. Triangle in the demolition of the plate, you should hit a mark at the junction, so that when installed according to mark complex.