CHECK AND TEST 1
Step 1
By listening, it is evident that the compressor is
louder than normal.
DIAGNOSIS 1
NOTE
PROCEDURE 1
Step 1
Discharge refrigerant. Cut charging tube off with pliers.
Step 2
Discharge all refrigerant toward the exhaust vent.
Step 3
Cut off suction pipe and exhaust pipe.
Step 4
Unscrew terminal cover.
Step 5
Remove terminal cover.
Step 6
Remove protector and starter.
Step 7
Unscrew earthing wire.
Step 8
Unscrew nut on compressor.
Step 9
Install a new compressor and tighten the nuts onto compressor.
Step 10
Braze the joints of suction and exhaust pipes.
Step 11
Re-braze a copper tube onto processing tube of
compressor. To get more details on brazing requirements, please go to 10.4 Annex B1.
Note
Step 12
Install quick connector onto re-brazed pipe.
Step 1
Clean paint off 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 remaining refrigerant away.
Step 6
Add quick connector onto processing pipe of drying-filter.
Step 7
Perform leakage test on brazed joints of dryingfilter and compressor processing pipe.
Step 8
Vacuum and recharge. Please get more details
of vaccuming and gascharging requirements
on 10.5 Annex B2.
Step 9
Leave locked pliers attached to second
block and shake to cut off the remaining pipe.
Step 10
Braze the ends and remove the pliers.
