NOTE
CHECK AND TEST 1
Step 1
Discharge refrigerant. Cut off the charging tube with pliers.
Step 2
Release all refrigerant toward the exhaust vent.
Step 3
Melt brazing material with flame and pull out processing pipe using a pair of pliers.
Step 4
Re-braze a copper tube onto compressor processing tube.
Please find more details of brazing requirements go to ANNEX B1
NOTE
Step 5
Install quick connector onto re-brazed pipe.
Step 6
Use pliers to cut the capillary off.
Step 7
Inject nitrogen (1.57Mpa)
through quick connector
into pipe for at least
3 min to blow remaining
refrigerant away.
Step 8
Check whether oil is being ejected from the capillary using a piece of white paper.
Step 9
Cut off exhaust pipe to check whether oil is being ejected from compressor.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Unscrew terminal cover.
Step 2
Remove terminal cover.
Step 3
Remove protector and starter.
Step 4
Unscrew earthing wire.
Step 5
Unscrew nut of compressor.
Step 6
Install a new compressor and tighten nuts onto compressor.
Step 7
Weld the joints of suction and exhaust pipes.
PROCEDURE 2
Step 1
Re-braze a copper tube onto compressor processing tube.
Step 2
Clean paint off of brazed joint of drying-filter.
Step 3
Cut off drying-filter.
Step 4
Cut off capillary and remove the cut end by shaking.Step 5
Braze on a new drying-filter.
Step 6
Inject nitrogen (1.57Mpa)
through quick connector
into pipe for at least
3 min to blow remaining
refrigerant away.
Step 7
Add quick connector onto processing pipe of drying-filter.
Step 8
Do leakage test on
brazed joints of
drying-filter and
processing pipe on
compressor.
Step 9
Vacuum and recharge.
Please get more details of vacuuming and gas- charging requirements go to Annex B1
Step 10
Block processing pipe twice by locking pliers.
Step 11
Leave locking pliers on
the second blocking
and cut off the rest pipe
by shaking.
Step 12
Braze the ends and remove the pliers away.
DIAGNOSIS 2
GO BACK TO COMPONENT LIST