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. To get more details on brazing requirements 

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.

Step 9

Block the end of filter to blow capillary for at least 3 min. 

DIAGNOSIS 1

PROCEDURE 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. 

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 drying- filter and processing pipe on compressor. 

Step 8

Vacuum and recharge. Please get more details of vacuuming and gas- charging requirements

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. 

DIAGNOSIS 2