CHECK AND TEST 1
Step 1
Cut off capillary to discharge refrigerant.
Step 2
Discharge all refrigerant toward the exhaust vent.
Step 3
Melt brazing material with flame and pull out processing tube with pliers.
Step 4
Re-braze a copper tube onto processing tube of compressor.
Please find more details
of brazing requirements,
on Annex B1
Step 5
Clean paint off of brazed joint of drying filter.
Step 6
Cut off drying-filter.
Step 7
Cut off capillary and shake to remove the cut end.
Step 8
Braze on a new drying-filter.
Step 9
Add quick connector onto processing pipe of drying-filter.
Step 10
Inject nitrogen (1.57Mpa)
through quick connector
into pipe for at least
3 min to blow remaining
refrigerant away.
Step 11
Use a piece of paper to check gas pressure.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Pull up to remove inverter box.
Step 2
Disconnect terminals.
Step 3
Disconnect power cord.
Step 4
Unscrew earthing wire.
Step 5
Unscrew nut of compressor.
Step 6
Install a new compressor on top.
Step 7
Braze the joints of suction and exhaust pipes.
PROCEDURE 2
Step 1
Clean paint off of brazed joint of drying filter.
Step 2
Cut off the brazed joint of drying filter.
Step 3
Cut off capillary and remove the cut end by shaking.
Step 4
Braze on a new drying- filter.
Step 5
Inject nitrogen (1.57Mpa)
through quick connector
into pipe for at least
3 min to blow remaining
refrigerant away.
Step 6
Add quick connector onto processing pipe of drying-filter.
Step 7
Do leakage test on brazed joints of drying-filter and processing pipe on compressor.
Step 8
Vacuum and recharge.
Click below link to
get more details for
vacuuming and gas-
charging requirements,
on Annex B2
Step 9
Block processing pipe twice by locking pliers.
Step 10
Leave locked pliers attached to second block and shake to cut off the remaining pipe.
Step 11
Braze the ends and remove the pliers.
DIAGNOSIS 2
CHECK AND TEST 2
Step 1
First, cut off end closed to exhaust end (A in below picture).
Then, cut off the end closed to suction end.
DIAGNOSIS 3
PROCEDURE 3
Step 1
Use a larger copper tube to connect 2 ends of brazed joint.
Step 2
Braze on the 2 ends.
Step 3
Perform a leakage test on all re-brazed joints of drying-filter and compressor processing pipe.
Step 4
Vacuum and recharge.
Click below link to
get more details for
vacuuming and gas-
charging requirements,
on Annex B2
Step 5
Block processing pipe twice by locking pliers.
Step 6
Leave locked pliers attached to second block and shake to cut off the remaining pipe.
Step 7
Braze on the ends and remove the pliers.
DIAGNOSIS 4
GO BACK TO COMPONENT LIST