CHECK AND TEST 1
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 10.4 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 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
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
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 gascharging requirements,
on 10.5 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.
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.
Step 1
Use a larger copper tube to connect 2 ends of brazed joint.
Step 2
Braze 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 gascharging requirements,on 10.5 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 the ends and remove the pliers.
GO BACK TO COMPONENT LIST