CHECK AND TEST 1
NOTE
Step 1
Discharge refrigerant: cut off 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. Please find more details of brazing requirements, on 10.4 Annex B1.
NOTE
Step 5
Install quick connector onto re-brazed pipe.
Step 6
Cut off exhaust pipe and suction 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
Remove protector and starter.
Step 4
Unscrew earthing wire.
Step 5
Unscrew nut for compressor.
Step 6
Install a new compressor and tighten nuts onto compressor.
Step 7
Braze the joints of suction and exhaust pipes.
PROCEDURE 2
Step 1
Melt brazing material with flame and pull out processing tube using a pair of pliers.
Step 2
Re-braze a copper tube onto compressor processing tube. Please find more details of brazing requirements, on 10.4 Annex B1.
Step 3
Clean paint off 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.
Please get more details
of vacuuming and gascharging
requirements on 10.5 Annex B2
Step 11
Block processing pipe twice with locking pliers.
Step 12
Leave locking pliers on the second block and cut off the rest of the pipe by shaking.
Step 13
Braze the ends and remove the pliers.
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