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 tube using a
pair of pliers.
Step 4
Re-braze a copper
tube onto compressor
processing tube.
Please find more details
of brazing requirements,
on 10.4 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 left refrigerant away.
Step 8
Check whether oil is
being ejected from the
capillary using a piece of
white paper.
DIAGNOSIS 1
CHECK AND TEST 2
Step 1
Cut off exhaust pipe
to check whether oil
is being ejected from
compressor.
DIAGNOSIS 2
PROCEDURE 1
Step 1
Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away.
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
Braze the joints of suction and exhausting pipes.
Step 1
Clean paint off of brazed joint of drying-filter.
Step 2
Cut off drying-filter.
Step 3
Cut off capillary and remove the cut end by
shaking.
Step 4
Braze on a new
drying-filter.
Step 5
Add quick connector
onto processing pipe of
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
Do leakage test on brazed joints of drying-filter and
processing pipe on
compressor.
Step 8
Vacuum and recharge.
Please get more details
of vacuuming and gascharging
requirements
on 10.5 Annex B2.
Step 9
Block processing pipe
twice by locking pliers.
Step 10
Left locking pliers on the
second blocking and
cut off the rest pipe by
shaking.
Step 11
Braze the ends and remove the pliers away.
