Note


CHECK AND TEST 1

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 out processing tube using a pair of pliers.

Step 4

Re-braze a copper tube onto compressor processing tube.

To get more details on brazing requirements, please go to Annex B1

Note

Step 5

Install quick connector onto re-brazed 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 if gas is blowing out from capillary.

DIAGNOSIS 1

PROCEDURE 1

Step 1

Clean paint off of brazed joint of drying filter.

Step 2

Cut off drying-filter

Step 3

Cut off capillary and shake to remove the cut end


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 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, go to 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 2

DIAGNOSIS 2

ATTENTION

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