CHECK AND TEST 1 

Note

Step 1

Discharge refrigerant. 

a) Use pliers to cut off charging tube. 

b) 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 B1

Step 4

Install quick connector onto rebrazed pipe. 

Step 5

Use a pliers to cut the capillary off. 

Step 6

Inject nitrogen (1.57Mpa) through quick connector into pipe. 

Step 7

Check to see if gas is blowing out of capillary. 

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 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. 

Click below link to get more details for 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 away. 

CHECK AND TEST 2 

DIAGNOSIS 2

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