Ensure that the two parts to be joined have a close fit the closer the fit the stronger the join.
Ensure that the parts to be joined are clean (use emery cloth or wire wool).
Apply a suitable flux to the cleaned parts some rods are flux coated (you can join copper to copper without flux)
If you’re brazing a small assembly, heat the entire assembly. If you’re brazing a large assembly, heat a broad area around the joint.
When the flux is completely clear, looks like water and metal surface is visible underneath, test the temperature by touching brazing filler rod to base metal, when the brazing rods melt the continue to apply the brazing rod until the braze has flowed around all of the joints.
Cool the joined parts and clean off any excess flux.
Soldering
Ensure all parts to be soldered are clean
Secure the work piece firmly
Select the most appropriate tip you require for the soldering task. Chisel point for large joints or Needle point for smaller joints
Fit the soldering tip securely to the blowtorch.
Ignite the blowtorch (see user instructions) and allow the tip to heat up.
Extinguish the blowtorch.
"Tin" the soldering tip by applying a small amount of solder
Using the soldering tip heat the parts of the joint (the time will depend upon the task you are doing).
Apply enough solder to make the joint.
When the solder has melted and formed the joint allow to cool before moving.