CHECK AND TEST 1
Discharge refrigerant: cut off the charging tube with pliers.
Discharge all refrigerant toward the exhaust vent.
Melt brazing material with flame and pull out processing tube using a pair of pliers.
Re-braze a copper tube onto compressor processing tube. Click below link to get more details for brazing requirements, go to Annex B1
Install quick connector onto re-brazed pipe.
Cut off suction pipe and exhaust pipe.
DIAGNOSIS 1
PROCEDURE 1
Unscrew terminal cover.
Remove terminal cover.
Disconnect all terminals.
Unscrew earthing wire.
Unscrew nut of compressor.
Install a new compressor and tighten nuts onto compressor.
Braze the joints of suction and exhasuting pipes.
PROCEDURE 2
Re-braze a copper tube onto compressor processing tube. Click below link to get more details for brazing requirements, go to Annex B1
Install quick connector onto re-brazed pipe.
Clean paint off of brazed joint of drying filter.
Cut off drying-filter.
Cut off capillary and shake to remove the cut end.
Braze on a new drying- filter.
Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away.
Add quick connector onto processing pipe of drying-filter.
Perform leakage test on brazed joints of drying- filter and compressor processing pipe.
Vacuum and recharge. Click below link to get more details for vocuuming and gas-charging requirements, go to Annex B2
Block processing pipe twice by locking pliers.
Leave locking pliers on the second block and cut off the rest of the pipe by shaking.
Braze the ends and remove the pliers.
DIAGNOSIS 2