CHECK AND TEST 1
NOTE
Step 1
Discharge refrigerant. Cut off the 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. Please find more details of brazing requirements, on 10.4 Annex B1.
NOTE
Step 5
Install quick connector onto re-brazed pipe.
Step 6
Inject nitrogen gas with 1.57Mpa pressure through quick connector into pipe.
Step 7
Use pliers to cut the capillary off.
Step 8
Check to see if gas is blowing out of capillary.
DIAGNOSIS 1
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 on new dryingfilter.
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
Perform leakage test on brazed joints of dryingfilter and processing pipe on compressor.
Step 8
Vacuum and recharge.Click below link to get more details for vacuuming and gas
charging requirements,
go to 10.5 Annex B2
Step 9
Block processing pipe twice by locking pliers.
Step 10
Leave locking pliers on the second block and cut off the rest of the pipe by shaking.
Step 11
Braze the ends and remove the pliers.
GO BACK TO COMPONENT LIST