Step 2

Disconnect terminals.

Step 3

Disconnect power cord.

Step 4

Disconnect earthing wires.

Step 5

Discharge refrigerant. Cut off the charging tube with pliers.

Step 6

Release all refrigerant toward the exhaust vent.

Step 7

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

Step 8

Unscrew nut of compressor.

Step 9

Install a new compressor and tighten nuts onto compressor.

Step 10

Braze the joints of suction and exhaust pipes.

Step 11

Re-braze a copper tube onto processing tube of compressor.
To get more details on brazing requirements, please go to 10.4 Annex B1.

PROCEDURE 4

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

Add quick connector onto processing pipe of drying-filter.

Step 7

Perform leakage test on brazed joints of dryingfilter and compressor processing pipe.

Step 8

Vacuum and recharge. Please get more details of vacuuming and gascharging requirements on 10.5 Annex B2.

Step 9

Block processing pipe twice by locking pliers.

Step 10

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

Step 11

Braze the ends and remove the pliers.

CHECK AND TEST 3