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 out processing tube using a pair of pliers.

Step 4

Re-braze a copper tube onto compressor processing tube. Click below link to get more details for brazing requirements, go to 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 gas with 1.57Mpa pressure through quick connector into pipe.

Step 8

Check if gas is blowing out from capillary.

DIAGNOSIS 1

PROCEDURE 1

Step 1

Clean paint from 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 dryingfilter.

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 vocuuming 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.

DIAGNOSIS 2

ATTENTION


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