CHECK AND TEST 1
Step 1
Discharge refrigerant.
a) Cut off the charging tube with a pair of pliers.
b) Discharge all refrigerant toward the exhaust vent.
Step 2
Melt brazing material with flame and pull processing tube out using a pair of pliers.
Step 3
Re-braze a copper tube onto processing tube of compressor.To get more details on brazing requirements, please go to Annex B1
Note
Step 4
Install quick connector onto rebrazed pipe.
Step 5
Cut off suction pipe and exhaust pipe.
Step 6
Power on the compressor and test exhaust pressure coming from exhaust pipe with a piece of paper.
Step 7
Use paper to test suction pressure from the suction pipe.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Open the metal clasp.
Step 2
Remove terminal cover.
Step 3
Disconnect all terminals.
Step 4
Unscrew earthing wire.
Step 5
Unscrew nut of compressor.
Step 6
Replace with new compressor.
Step 7
Braze the joints of suction and exhasuting pipes.
Step 8
Re-braze a copper tube onto processing tube of compressor.
To get more details on
brazing requirements,
please go to Annex B1
Note
Step 9
Clean paint off of brazed joint of drying fiter.
Step 10
Cut off the brazed point of drying fiter.
Step 11
Cut off capillary and remove the cut end by shaking.
Step 12
Braze on a new drying-filter.
Step 13
Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away.
Step 14
Add quick connector onto processing pipe of drying-filter.
Step 15
Conduct a leakage
test on brazed joints
of drying- lter and
compressor processing
pipe.
Step 16
Vacuum and recharge.
Click below link to get more details for
vacuuming and gas-
charging requirements,
on Annex B2
Step 17
Block processing pipe twice with locking pliers.
Step 18
Leave locked pliers attached to second block and shake to cut off the remaining pipe.
Step 19
Braze the ends and remove the pliers.
To get more details on brazing requirements, please go to Annex B1
Note
CHECK AND TEST 1
DIAGNOSIS 2
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