NOTE

CHECK AND TEST 1

Step 1

Discharge refrigerant: cut off 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 pipe of compressor. To get more details on brazing requirements. 

NOTE

DIAGNOSIS 1

Step 5

Install quick connector onto re-brazed pipe. 


Step 6

Cut off suction pipe and exhaust pipe. 


Step 7

Power up the compressor and feel the exhaust pressure from the exhaust pipe with a piece of paper.

Step 8

Feel the suction pressure of the suction pipe using a piece of paper. 

DIAGNOSIS 1

PROCEDURE 1

Step 1

Unscrew terminal cover. 

Step 2

Remove terminal cover.

Step 3

Remove protector and starter.

Step 4

Unscrew earthing wire.

 

Step 5

Unscrew nut of compressor. 

Step 6

Install a new compressor and tighten nuts onto compressor. 

Step 7

Braze the joints of suction and exhaust pipes. 

PROCEDURE 2


Step 1

Clean paint off of brazed joint of drying-filter.

Step 2

Cut off drying-filter.

Step 3

Cut off capillary and remove the cut end by shaking.

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 compressor processing pipe. 

Step 8

Vacuum and recharge.

Please get more details of vacuuming and gas- charging requirements go to Annex B1

Step 9

Block processing pipe twice by locking pliers.

Step 10

Leave locking pliers on the second blocking and cut off the rest pipe by shaking. 

Step 11

Braze the ends and remove the pliers away. 

DIAGNOSIS 2


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