first of all.you have to need to the equipments for repairinhg the refrigerator.i mention the equipments as below
1=refrigerant like number R12,R134
2=Gas welding silendor bursion and oxegen
3-copper road or patal road for repairing tne leakage
4=vaccume pump
5=electric point for starting
6=punch plier
7=scrap paper
8=a piece of mirror for seeing opposide of the welded eara
9=leakage checking meterial like soap.or others
10=Amper meter
11=low pressor and high pressor gauges
12=nitrogen gas for pressorizing
you shoul have these equipment then you will be able to regass to your fridge or freezer
Now i try to detail of working or sequance of work
1=pressorize the fridge or freezer 100 to 150 psi,after the install the charging line to the compressor
2=check the leakage by using the soap for bubbling and bubbling mean leakage places and mark them for remembering
3=reweld or brazing them andrepressorizing and recheck with soap and get the satisfaction about removing the leakage
4= do the vaccume for 5 to 8 hour by voccumepump
5=start to refill the gas by running the fridge or freezer and put the thermostate on 1 and see the ampers,during the regassing the fridge should be attomatic on and off on selected 1 and then you increase the number and refill the gas even it turn to off and refill the whole the freezer or fridge by getting the attomatic through thermostate using every number
6=After the refill the gas and at the end you pucch the charging line and weld it
my phone no-0092-21-4596157
my cell no 0092-307-2138601
pakistan karachi
muhammad kaleem
August 2009