CHECK AND TEST 1
DIAGNOSIS 1
PROCEDURE 1
Discharge refrigerant:
1) Use pliers to cut off
charging tube.
2) Discharge all refrigerant toward the exhaust vent.
Unscrew terminal cover.
Remove terminal cover.
Disconnect all terminals.
Unscrew earthing wire.
Unscrew nut on compressor.
Replace with new compressor.
Braze the joints of suction and exhaust pipes.
Re-braze a copper tube onto compressor processing tube.
To get more details on
brazing requirements,
please go to Annex Page
Install quick connector onto re-brazed pipe.
PROCEDURE 2
Clean paint off brazed joint of drying-filter.
Cut off drying-filter.
Cut off capillary and shake to remove the cut end.
Braze on a new drying-filter.
Inject nitrogen (1.57Mpa)
through quick connector
into pipe for at least
3 min to blow remaining
refrigerant away.
Add quick connector onto processing pipe of drying-filter.
Perform leakage test on brazed joints of drying- filter and compressor processing pipe.
Vacuum and recharge.
Block processing pipe twice with locking pliers.
Leave locked pliers attached to second block and shake to cut off the remaining pipe.
Braze the ends and remove the pliers.
CHECK AND TEST 2
DIAGNOSIS 2