CHECK AND TEST 1
Step 1
Discharge refrigerant: cut off charging
tube with pliers.
Step 2
Discharge all refrigerant toward the exhaust vent.
Step 3
Melt brazing material with flame and pull processing tube out with a pair of pliers.
Step 4
Re-braze a copper tube onto processing tube of
compressor. To get more details on brazing requirements, please go to 10.4 Annex B1.
Step 5
Install quick connector onto re-brazed pipe.
Step 6
Cut off suction pipe and exhaust pipe.
Step 7
Power up the compressor and feel the exhaust pressure from the exhaust pipe with a piece of paper.
Step 8
Feel the suction pressure of the suction pipe using a piece of paper.
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
Braze the joints of suction and exhasuting pipes.
PROCEDURE 2
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
Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow left 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
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.
