CHECK AND TEST 1
Note
Step 1
Discharge refrigerant:
1) use pliers to cut off charging tube.
2) Discharge all refrigerant toward the
exhaust vent.
Step 2
Melt brazing material with flame and pull processing tube out with a pair of pliers.
Step 3
Re-braze a copper tube onto processing tube of compressor.
To get more details on
brazing requirements,
please go to Annex Annex B1
Note
Step 5
Install quick connector onto rebrazed pipe.
Step 6
Use a pliers to cut the capillary off.
Step 7
Inject nitrogen (1.57Mpa) through quick connector into pipe.
Step 8
Check to see if gas is blowing out of capillary.
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
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
Replace with a new compressor.
Step 7
Braze the joints of suction and exhasuting pipes.
Step 8
Re-braze a copper tube onto compressor processing tube
Please get more details
of brazing requirements on Annex B1
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 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
Test for leaks on brazed
joints of drying-filter and
processing pipe
on compressor.
Step 8
Vacuum and recharge.
Please get more details
of vacuuming and gas-
charging requirements
on 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 3
DIAGNOSIS 3
