DOWNLOAD LG T8503TEFT1 Service Manual ↓ Size: 5.18 MB | Pages: 59 in PDF or view online for FREE

Model
T8503TEFT1
Pages
59
Size
5.18 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
t8503teft1.pdf
Date

LG T8503TEFT1 Service Manual ▷ View online

33
4-5. DISASSEMBLY INSTRUCTION
Be sure to unplug the power to repair and
replace electric parts.
1) Disassembly of Front Panel 
& PCB Assembly
Remove two screw caps using a sharp tool
and two front panel fixing screws.
Push the front panel to the left side then
pull it out.
Disconnect the leads from the controller.
Remove 6 screw from the front panel.
Remove the PCB Assembly.
Fuse is located in the PCB assembly For fuse
replacement use the following rated fuse
* Rating of fuse
- 250V 6A fusing type for 220-240V product
- 125V 12A fusing type for 100-127V product 
leads
PCB Assembly
Fuse
Be sure to make earth connection for trouble
diagnosis and parts replacement. If impossible,
touch earth wire on the body to remove electric
deviation between the body and product before
work.
CAUTION FOR ELECTROSTATICS
34
2) Disassembly of Back Panel, Power
Cord, Inlet Valve & BP Sensor
Remove two back panel fixing screws in the
back side.
Disassemble the back panel.
Disconnect two connectors and disassemble
the power cord.
Remove a valve fixing screw & disconnect the
leads form the inlet valve.
Remove the inlet valve.
Disconnect the leads & the pressure tube from
the BP sensor.
Remove the BP sensor.
 
 
   
Hinge Pin
Hinge Pin
 
BP sensor
Power cord
Inlet valve
Back Panel
35
3) Disassembly of Lid Assembly, Top
Cover, Tub Cover, Pulsator & Inner Tub
Remove Q-spring & two hinge pins then
disassemble the lid assembly
Remove two top cover fixing screws in the rear
then disassemble the top cover.
Remove tub cover fixing screws then disassemble
the tub cover.
Remove the pulsator fixing screw then
disassemble the pulsator.
Remove the hub fixing nut by a special tool.
Disassemble the inner tub.
4) Disassembly of Back Cover, Drain Pump,
Clutch(Transmission) & Motor
Remove back cover fixing screws then disassemble
the back cover.
Disconnect the leads and the drain hose-p from the
drain pump.
Remove the pump fixing screws then
disassemble the drain pump.
Fall down the washer for clutch & motor removal.
Remove the belt.
Disassemble the clutch.
Remove two motor fixing screws then
disassemble the motor.
5) Replacement of Damper asm
Separate top cover from washing machine.
As in the fig, lift snubber bar and take it out of out
case with out tub.
Damper assembly shall not be disassembled.
Replace damper as assembly.
For assembly, keep the following.(Location & color)
          
Location             P/No.            PIVOT(Color)
A051                NATURAL
A052                     BLUE
Tub cover
Inner tub
Hub fixing nut
Leads
Drain hose-p
Pump fixing screw
36
4-6. TEST RUNNING WITHOUT WATER
• To use the CHECK PROGRAM (QC TEST MODE), press WATER LEVEL and POWER button ON without
depositing any laundry.
• In QC TEST MODE all LEDs are on and press START(PAUSE) button to check over the following items.
NO
CHECK METHOD
DISPLAY
CHECK ITEM
1
2
3
4
5
6
7
8
9
Initial state
Press once
Press twice
Press 3 times
Press 4 times
Press 5 times
Press 6 times
Press 7 times
Press 8 times
• WATER LEVEL frequency is
on DISPLAY in the condition of
no water in TUB.
• After detecting laundry amount
the number of pulse is on the
DISPLAY.
• AUTO OFF
• All LEDS ON.
64~70 DISPLAY.
• Laundry amount test.
• COLD water.
• HOT water. (option)
• If Error of water temperature sensor is 
occured           is on the display.
• Shower Valve
• If the LID is opened,            is on the
DISPLAY. In that case, close the LID.
• DRAIN MOTOR is 1st start.
• DRAIN MOTOR is 2nd start.
• DRAIN PUMP is on.
• All LEDS OFF.
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