1. In order to assemble easily, you should take the rear door assembly apart;
remove the door by the way of removing the bolts on the hinge mount.
When assemble, use the door frame is ok, the door will be installed after assembly.
2. According to the components list and the drawing paper,
checks each parts assembly,
and then distinguishes each part according to the size
3.Needful equipments and tools: co2 gas shielded arc welding machine,
electric drill, pneumatic hand rivet .