CHECK AND TEST 1
Step 1
Discharge refrigerant: Use a pair of pliers to cut off the charging tube.
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,
please 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 on the compressor and use paper to test exhaust pressure from the exhaust pipe.
Step 8
Use paper to test suction pressure from the suction pipe.
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
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 lter.
Step 10
Cut off drying-filter.
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 left
refrigerant away.
Step 14
Add quick connector onto processing pipe of drying-filter.
Step 15
Do leakage test on
brazed joints of drying-
filter 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
Weld 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
GO BACK TO COMPONENT LIST