1-7.
3-Way Valve Service
Since 3-way valve controls refrigerant with an inner plastic
damper, defect may occur because the plastic damper is
deteriorated and welding heat is delivered to a pipe during
welding for repair and replacement of the valve welding
part.
So perform service in following service method.
1) Replace 3-way valve assembly where refrigerant leakage
occurs at the joint pipe (
,
,
part) connected with the
service valve of valve welding part.
(For unavoidable welding, wrap the body part of valve with
a water towel so that delivery of welding heat is minimized
100 °C or less.
2) Service in replacement of valve (valve failure.) Perform
service in the same method as above.
3) Other cautions.
(1) Pipe for capillary tube should be welded through insertion by 20+3-3mm. (For preventing clogging during welding)
(2) Take care since inner ejecting objects may be damaged if falling a valve or giving a strong shock.(Poor operation and
leakage quantity may be increased due to damage of inner parts.)
(3) Entirely remove and check ice formation which occurred in the Evaporator before or after improvement work for
non-insertion of 3-way valve housing, defect or shortage of goods, defective welding.
Dryer side
Body
Freezer
Refrigerator
(Sky blue colored
Hishi-Tube.)
1-6. Brazing Reference Drawings
Copper Brazing
Copper
Brazing
Coppper Brazing
Copper Brazing
Copper Brazing
Silver Brazing
Copper Brazing
Compressor
Condenser
Drier
Hot Line
Evaporator
Evaporator
Drain Pipe
3 way valve
28
TROUBLE DIAGNOSIS
Содержание LSSB2691ST
Страница 1: ...LSSB2691ST REFRIGERATOR SERVICE MANUAL ...
Страница 9: ...9 Circuit Diagram Chapter 3 Circuit Diagram ...
Страница 72: ...72 EXPLODED VIEW TOP PART 502B 502A 701B 701A 402K 701C 402J 500A 406A ...
Страница 79: ...79 P No MFL67262403 ...