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 processing tube of compressor. To get more details on brazing requirements
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.
PROCEDURE 2
Step 1
Clean paint off brazed joint of drying-filter.
Step 2
Cut off drying-filter.
Step 3
Cut off capillary and
shake to remove the cut
end.
Step 4
Braze.
Step 5
Add quick connector onto processing pipe of drying-filter.
Step 6
Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away.
Step 7
Perform leakage test on brazed joints of drying- filter and compressor processing pipe.
Step 8
Vacuum and recharge. Please get more details of vacuuming and gas- charging requirements
Step 9
Block processing pipe twice with locking pliers.
Step 10
Leave locking pliers on the second block and cut off the rest of the pipe by shaking.
Step 11
Braze.
DIAGNOSIS 2
ATTENTION
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