How to brazing a cooper tubing?

This is a common method for joining the cooper tubing.It is have been practice by all technical person around the world.Before we can brazing the cooper tubing,we must do the swagging process for make a diameter of cooper bigger than normal size.

Refer my last post about swagging.It is for ensure the joining process is strong and no leakage.Others method is using the cooper fitting or socket joint to make a joining process.Below illustration it is the cooper piping structure after done the swagging process and ready to brazing process.Make sure the swagging process is perfectly to get a best result of joining. read more

How to swaging cooper tubing?

Cooper tubing is common used for refrigerant and air-conditioning piping.It important to have a basic knowledge about swaging process to ensure our installation not facing any problem.

When we laying the cooper tubing for air-condition piping and facing the cooper length is not enough to completed the work.So we need to splice another cooper tubing.To splice the cooper tubing,we must use the swaging process.

This process make the cooper tubing diameter more bigger than original size.The reason is for splicing purpose.To join a cooper tubing together,we using the welding gases torch and cooper-nickel rod filler.This welding process we call it ” BRAZING “. read more

How to flare cooper tubing?

In the air-condition piping system,almost fitting for cooper piping using flare type.It very common used in this industry such as for car brake piping,fuel piping,cooling piping and transmission piping because it easy to fit and no need to welding the cooper pipe.No hot works needed and more safe in working condition.

To flare the cooper tube,we need the special tool for this job.It call the ” flaring tool “.This is mechanism to make a flare using the press force. read more

How to replace new bearing for condenser fan motor?

Have you faced any problem with bearing broken,jammed or stuck for your condenser fan motor?Are you know how to change a bearings unit?It look difficult task but if we have required tools,basic knowledge and passion,I’ve think all of you can do this job.

What we need for this job?The important tools is bearing puller set,combination wrench set,WD-40 (anti-rust),pliers,hammer,screwdriver,grease and cotton rack.

In the maintenance job scope,replaced a new bearing for electrical motor is common jobs..This time i want to show you how to replaced a new bearing for Air-condition Out door unit CONDENSER FAN MOTOR. read more

How to charge air-condition refrigerant R22 ?

Charging refrigerant for Air-Condition

This time i`m show in my video,How to charge or refill air-condition refrigerant R22.

The tools you must have :-

  • Manifold gauge
  • R22 Gas
  • Adjustable wrench

Please watch my video.It very easy to do it our self.The important thing is SAFETY FIRST.Please wear your safety glass or related PPE.

If any question,feel free to comment :D