CHECK AND TEST 1

Step 1

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Step 2

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Step 1

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

b) Discharge all refrigerant toward the exhaust vent. 

Step 2

Melt brazing material with flame and pull out processing tube using a pair of pliers. 

Step 3

Re-braze a copper tube onto processing tube of compressor.

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

Step 4

Install quick connector onto processing pipe. 

Step 5

Use a pliers to cut the capillary off. 

Step 6

Inject nitrogen (1.57Mpa) through quick connector into pipe. 

Step 7

Check to see if gas is blowing out of capillary. 

DIAGNOSIS 1


PROCEDURE 1


Step 1

Clean paint off of brazed joint of drying lter.

Step 2

Cut off the brazed joint of drying lter.

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- lter.

Step 7

Test for leaks on brazed joints of drying- lter and processing pipe on compressor.

 

Step 8

Vacuum and recharge.

Click below link to
get more details for vacuuming and gas- charging requirements, on 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


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