Step 1

Discharge refrigerant: Use a pair of pliers to cut off the charging tube.

Step 2

Discharge all refrigerant toward the exhaust vent.

Step 3

Melt brazing material with flame and use a pair of pliers to pull charging tube out.

Step 4

Re-braze a copper tube onto processing tube of compressor. Please get more details of brazing requirements on 10.4 Annex B1.

Note

Step 5

Install quick connector onto re-brazed pipe.

Step 6

Inject nitrogen of 1.57Mpa into pipe.

Step 8

Use white paper to check if oil is ejected from the capillary, and if pressure is ok.

Step 9

Cut off exhaust pipe to check if oil is being ejected from compressor.

DIAGNOSIS 1

Step 2

Remove terminal cover.

Step 3

Disconnect all terminals.

Step 4

Unscrew earthing wire.

Step 5

Unscrew nut of compressor.

Step 6

Install a new compressor.

Step 7

Braze the joints of suction and exhaust pipes.

Step 8

Re-braze a copper tube onto compressor processing tube.
Please get more details of brazing requirements on 10.4 Annex B1.

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 dryingfilter.

Step 5

Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away.

Step 6

Perform a leakage test on brazed joints of drying-filter and compressor processing pipe.

Step 8

Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow remaining refrigerant away. Please get more details of brazing requirements on 10.5 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.

DIAGNOSIS 2