SJD24NSLG
9 – 1
SJD24NSLG
Service Manual
CHAPTER 9. COOLING UNIT
[1] COOLING UNIT
NOTE: The iron pipe is partly used of this refrigerator. Please note the following points when brazing the iron pipe.
• Brazing material should be silver brazing rod. (To be equivalent with BAg-20 or BAg-7)
• Flux should be FB3A type. (It should be non-chlorine type).
• Place an iron plate or cloth on the base frame to prevent the flux fall.
• Remove the paint and plating on the pipe by the sandpaper before start repairing.
• If you cut the iron pipe for repairing, remove the plating on the iron pipe end (20mm) by the sandpaper.
• Put the flux on silver brazing rod and dry the flux by the flame of the torch, and then start brazing.
• Remove the flux completely by the wire brush , and wipe off by the cloth after brazing.
• Leakage inspection should be done when compressor is running.
• After removing flux, paint the black enamel paint on the brazing part.
* Copper back condenser is used in some models.Before repairing,check the Back condenser is copper or iron.
Hot pipe L
(Side condenser)
Hot pipe
(DP-condenser)
Hot pipe R
(Side condenser)
Evaporator
Suction pipe
Compressor
Capillary tube
Dryer
Back condenser
S.P connector
Discharge P connector
Dryer connector
Mark: Brazing portion
Mark: Refrigerant flow
Iron pipe
Iron pipe
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