DOWNLOAD LG LS-J0764BL Service Manual ↓ Size: 6.46 MB | Pages: 120 in PDF or view online for FREE

Model
LS-J0764BL
Pages
120
Size
6.46 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
ls-j0764bl.zip
Date
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LG LS-J0764BL Service Manual ▷ View online

-32-
Disassembly of the parts (Indoor unit)
Warning :
Disconnect the unit from power supply before making
any checks.
Be sure the power switch is set to “OFF”.
To remove the Grille from the Chassis.
• Set the up-and-down air discharge louver to open
position (horizontally) by finger pressure.
• Remove the securing screws.
• To remove the Grille, pull the lower left and right
side of the grille toward you (slightly tilted) and lift it
straight upward.
1. Before removing the control box, be sure to
take out the wire screwed at the other end.
Display 
P.C.B
Conductor
Step Motor
Conductor
Earth
Conductor
Motor
Conductor
Sensor
Conductor
-33-
2. To remove the Control Box.
• Remove securing screws.
• Pull the control box out from the chassis careful-
ly.
3. To remove the Discharge Grille.
• Unhook the discharge grille and pull the dis-
charge grille out from the chassis carefully.
4. To remove the Evaporator.
• Remove 3 screws securing the evaporator(at the
left 2EA in the Eva Holder, at the right 1EA).
-34-
• Unhook the tab on the right inside of the chassis
at the same time, slightly pull the evaporator
toward you until the tab is clear of the slot.
5. To remove the Motor Cover
• Remove 2 securing screw.
• Pull the motor cover out from the chassis
carefully.
6. To remove the Cross-Flow Fan
• Loosen the screw securing the cross-flow fan to
the fan motor (do not remove).
• Lift up the right side of the cross-flow fan and the
fan motor, separate the fan motor from the
cross-flow fan.
• Remove the left end of the cross-flow fan from
the self-aligning bearing.
Motor cover
2-way, 3-way Valve
2-way Valve (Liquid Side)
3-way Valve (Gas Side)
Shaft position
Shaft position
Service port
Closed
Closed
Closed
(with valve cap)
(with valve cap)
(with cap)
Open
Closed
Open
(counter-clockwise)
(clockwise)
(push-pin or with
vacumm pump)
Open
Open
Closed
(with valve cap)
(with valve cap)
(with cap)
Closed
Open
Open
(clockwise)
(counter-clockwise)
(connected manifold
gauge)
Open
Open
Open
(with charging
cylinder)
Open
Open
Open
(with charging
cylinder)
Open
Open
Open
Open
Works
Shipping
Air purging
(Installation)
Operation
Pumping down
(Transfering)
Evacuation
(Servicing)
Gas charging
(Servicing)
Pressure check
(Servicing)
Gas releasing
(Servicing)
1.
2.
3.
4.
5.
6.
Valve cap
Open position
Closed position
Pin
Service
port
Service
port cap
To outdoor unit
Flare nut
To 
piping 
connection
To outdoor unit
Hexagonal wrench (4mm)
Open position
Closed position
To 
piping 
connection
Flare nut
-35-
Open
(with charging cylinder)
Open
(with charging cylinder)
Page of 120
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