CHECK AND TEST 1


DIAGNOSIS 1


PROCEDURE 1


Step 1

Discharge refrigerant:
1) Use pliers to cut off charging tube.

2) Discharge all refrigerant toward the exhaust vent.

Step 1

Unscrew terminal cover.

Step 2

Remove terminal cover.

Step 3

Disconnect all terminals.

Step 4

Unscrew earthing wire.

Step 5

Unscrew nut on compressor.

Step 6

Replace with new compressor.

Step 7

Braze the joints of suction and exhaust pipes.

Step 8

Re-braze a copper tube onto compressor processing tube.

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

Note


Step 9

Install quick connector onto re-brazed pipe.

PROCEDURE 2


Step 1

Clean paint off 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 compressor processing pipe.

Step 8

Vacuum and recharge.

Click below link to
get more details for
vacuuming and gascharging
requirements, go to Annex B2

Step 9

Block processing pipe twice with 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