CHECK AND TEST 1
NOTE
Step 1
Discharge refrigerant: Cut off the charging tube with pliers.
Step 2
Discharge all refrigerant toward the exhaust vent.
Step 3
Melt brazing material with flame and pull out processing tube using a pair of pliers.
Step 4
Re-braze a copper tube onto compressor processing tube. Click below link to get more details for brazing requirements, go to Annex B1
NOTE
Step 5
Install quick connector onto rebrazed pipe.
Step 6
Cut off suction pipe and exhaust pipe.
Step 7
Power up the compressor and feel the exhaust pressure from the exhaust pipe with a piece of paper.
Step 8
Feel the suction pressure of the suction pipe using a piece of paper.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Unscrew terminal cover.
Step 2
Remove terminal cover.
Step 3
Disconnect all terminals.
Step 4
Unscrew earthing wire.
Step 5
Unscrew nut of compressor.
Step 6
Install a new compressor and tighten nuts onto compressor.
Step 7
Braze the joints of suction and exhasuting pipes.
PROCEDURE 2
Step 1
Re-braze a copper tube onto compressor processing tube. Click below link to get more details for brazing requirements, go to Annex B1
Step 2
Install quick connector onto re-brazed pipe.
Step 3
Clean paint off of brazed joint of drying filter.
Step 4
Cut off drying-filter.
Step 5
Cut off capillary and shake to remove the cut end.
Step 6
Braze on a new dryingfilter.
Step 7
Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away.
Step 8
Add quick connector onto processing pipe of drying-filter.
Step 9
Perform leakage test on brazed joints of dryingfilter and compressor processing pipe.
Step 10
Vacuum and recharge. Click below link to get more details for vocuuming and gas-charging requirements, go to Annex B2
Step 11
Block processing pipe twice by locking pliers.
Step 12
Step 13
Braze the ends and remove the pliers.
DIAGNOSIS 2
ATTENTION
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