LG VK9820NHB User manual

VACUUM CLEANER
SERVICE MANUAL
MODEL : VK9820NHB
VK9820NHC
CAUTION
BEFORE SERVICING THE UNIT, READ THE
"SAFETY PRECAUTIONS" IN THIS MANUAL.
Website http://biz.lgservice.com
삼흥
정판
P/NO : MFL57157905
September, 2008
Printed in Korea
Internal Use Only

-2-
CONTENTS
SAFETY PRECAUTIONS.............................................................................................................................3
CAUTIONS ...................................................................................................................................................3
DESCRIPTION..............................................................................................................................................4
SPECIFICATIONS ........................................................................................................................................4
DISASSEMBLY ........................................................................................................................................5~6
TROUBLE SHOOTING GUIDE................................................................................................................7~9
SCHEMATIC DIAGRAM.............................................................................................................................10
CIRCUIT DIAGRAM....................................................................................................................................11
EXPLODED VIEW................................................................................................................................12~15
REPLACEMENT PARTS LIST.............................................................................................................16~21

-3-
SAFETY PRECAUTIONS
BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,
AND OBSERVE EACH POINT CAREFULLY.
1. Motor filter(Air Cleaner)
1) This filter is reusable.
2) Never use the vacuum cleaner without filter.
It may damage the motor.
3) When the light of body is on, wash the motor filter
with water.
4) Even if the light is not on, wash the motor filter at
least once 6 months.
NOTE : Reusing of the motor filter.
󳢯Never wash the filter in a washing machine or in a
dishwasher.
󳢯Never use hot water for washing the filter.
󳢯Reuse the filter after drying it completely in the
shade for a day.
󳢯Do not dry near fire or direct sunray.
2. Exhaust filter(HEPA filter)
1) This filter is reusable HEPA filter.
2) For clean air, filter must be assembled.
3) Dean the exhaust filter with water once a year.
4) When the light of body is on, clean the exhaust
filter.
NOTE : Reusing of the exhaust filter.
󳢯Do not wash filter with water.
󳢯Do not brush the filter. This will cause permanently
damage allowing dust to by-pass the filter.
3. Avoid suction such materials as :
1) Liquid or wet dust :
Clogs the ventilation holes, reduces the suction
power significantly and harms the motor.
2) Inflammable liquids such as benzene, alcohol or
solvents.
3) Burning objects such as cigarette butts.
4) Bulky objects such as vinyl, paper etc.
5) Sharp objects such as needles, pins, metal, glass
particles etc.
4. Attachments
󳢯Nozzle : for cleaning wooden floor, the room floor
and carpet.
󳢯Crevice Tool : for cleaning any crevice, inside
corners or window frames. However, do not use
the crevice tool more than 20 minutes because it
may cause harm to the motor.
󳢯Dusting brush : for cleaning clothes curtains.
5. Close supervision is necessary when this
vacuum cleaner is used by or near children.
Children’s carelessness may cause damage to
the cleaner or injure persons.
6. Air exhausted from the vacuum cleaner is
normally warm. But if extraordinarily hot air is
exhausted, check if the telescopic tube, hose or
clean filter is clogged or not.
7. Electric shock could occur if used outdoors or
on wet surfaces.
CAUTIONS
BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER,
DISCONNECT THE ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.
1. Motor exchange
1) Separate the Body Cover and Body Base by
unfastening the screws.
2) After disconnecting the lead wires, replace the old
motor with a new one.
2. In case of exchanging other parts.
refer to the exploded view.

-4-
DESCRIPTION
Pipe Assembly,
Telescopic
Dust Tank
Cord Reel
Button
Power Cord
ATTACHMENTS
BRUSH ASSEMBLY, DUST NOZZLE, CREVICE
CANISTER
Hose Assembly,
Flexible
Nozzle Assembly,Floor
SPECIFICATIONS
• MODEL : REFER TO THE COVER PAGE
• POWER SOURCE : ON RATING PLATE
• POWER CONSUMPTION : ON RATING PLATE
• POWER CONTROL :
- MAIN : SLIDE KNOB CONTROL (F/HOSE)
• CORD LENGTH : 9m
• HOSE LENGTH : 1.8 m
• NET WEIGHT : 6.4 kg
• PACKING WEIGHT : 10.5 kg
• NET DIMENSION : 492×290×330 (D×W×H)
• PACKING DIMENSION : 650×330×367 (D×W×H)
• ATTACHMENTS
HOSE ASSEMBLY,FLEXIBLE..........................................1EA
PIPE ASSEMBLY,TELESCOPIC .....................................1EA
NOZZLE ASSEMBLY,FLOOR..........................................1EA
BRUSH ASSEMBLY, DUST .............................................1EA
NOZZLE,CREVICE............................................................1EA
• This specifications are subject to change according to the buyer's request.

-5-
DISASSEMBLY
• Almost all of the parts of this vacuum cleaner can be
disassembled with a screw driver and each
connecting component easily fits each other.
Disassemble one by one referring to the exploded view.
• If possible, don't disassemble except for the
necessary parts. It is not necessary to disassemble
the parts that are not detailed in the exploded view.
1. Body Cover Assembly Replacement
1) Remove the dust tank from the set.
Remove the five screws fastening the sub cover.
2) Remove the one screws fastening the body base.
3) Disassemble the body cover, raising the body cover.
Pull out the two lead wire housing.
2. Motor Assembly Replacement
1) Remove the four screws fastening the motor cover.
2) Unlock the two hooks.
3) Pull out the motor and disconnect the lead wires
from it.
NOTE : Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical power
supply cord from the wall outlet.
Motor

-6-
3. Cord Reel Assembly Replacement
1) Lift the cord reel assembly from body base.
4. Disassembly of Motor Housing.
1) Remove the two screws fastening the body base.
2) Remove the one screw fastening the body base.
Cord Real
Assembly

-7-
TROUBLE SHOOTING GUIDE
1. SWITCH ON BUT MOTOR DOSE NOT TURN.
2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES.
CHECKING CAUSE SOLUTION
CHECK THE POWER
SOURCE
Poor plug insertion Insert again
The fuse is melt down
in the coverknife switch Exchange the fuse
Power cord cut Repair or exchange
Interior lead wire cut Exchange the lead wire
Motor armature cut Exchange the motor
Ball bearing defacement Exchange the motor
Impeller hindrance
(Caused by foreign matters) Remove the foreign matters.
3. SWITCH ON, MOTOR TURNS DOWN AND BUZZES.
Hall sensor breaks down Exchange the hall sensor
Motor(stator armature) coil cut
or damaged Exchange the motor

-8-
4. SWITCH OFF BUT MOTOR TURNS
5. WEAK SUCTION POWER
Poor connection Repair.
Hose and extension wands
are clogged with foreign
matters.
Remove the foreign matters
in the hose or extension
wands.
Air filter or exharst filter is filled
with inhaled foreign matters.
Motor turns normally,
but suction power is weak.
Clean the filter or exchange the
filter.
Motor armature cut
Low rotation speed
Exchange the motor
Foreign matters attached to
the impeller Remove the foreign matters
Low voltage Inquire to the power utility
company

-9-
6. VIBRATION NOISES
7. RADIO, TV RECEPTION DISTURBANCE
8. IMPROPER TUBE OF NOZZLE CONNECTION
Loose parts Secure firmly
Unbalanced motor assembly Exchange or repair the motor
Foreign matters are attached
to the impeller Remove the foreign matters
Poor cord, lead wire Exchange cord, lead wire
Poor electric connector or
receiver
Repair the electric connector
or receiver.
Bent connection parts Exchange the parts
Poor connection
(Caused by foreign matters)
Remove the foreign matters
and reconnect.
Poor capacitor Exchange the capacitor.
Armature is cut or foreign
matters attached
Exchange the motor
Remove foreign matters

-10-
Hall Sensor
Gray
Green
Brown
Brown
Blue
Blue
Yellow
Orange
SLIDE VOLUME
Blue
Red
COMPRESS MOTOR
M
Hall Sensor
Green
Yellow
Orange
Blue
Brown
Pressure Switch
Red
Black
Brown
Blue
Green
Yellow
Orange
Blue
Red LED
T/P
SCHEMATIC DIAGRAM

-11-
CIRCUIT DIAGRAM

-12-
ACVBA1
MEGBH1
MDSBA1
MDJBM1
MCQBM1
MCKBZ1
MBDBB9 AJWBA1
EAUBA1
ADQBE1
MEKBM1
MCKBW1
MDSBA3
MDSBA2
MDSBA4
EBRBM1
ABNBA1
MCKBZ2
MDSBA7
MDSBA2
AHJBA1
ACQBM2
MAMBB1
MBDBB8
ACQBE1
AHDBR1
ACQBM1
EADBS1
MFCBR1
MHYBC1
MCKBE1 MDSBA5
EXPLODED VIEW
VK9820NHB(VK9820NHA.ABLQLGU)
VK9820NHC(VK9820NHA.ABKQLGU)
BASE ASSEMBLY, BODY
#EV#

-13-
MBGCB1
MHYCC1
MEBCC2
MDSCA6
MCKCA1
MEGCH1
MFGCL1
MCKCH1
EADCS2
MDSCA3
MCKCV1
MEBCC1
MCKCD8
MDSCA4
MDJCM1
MDQCF1
MDSCA5
MEAGG1
EBRCP1
MBGCR1
MCKCS1
MHYCC2
MHYCC3
MFCCL1
MJHCM1
MCKCB1
EAUCM1EBRCP2 EADCS1 MGECC1
MDSCA2
MDSCA1
MDSCA1
MDSCA4
MEACA1
MEACA2
ADVCF1
MJCCA1
MDSCA1
EADCS3
MDTCA1
MDSCA7
MCKCZ1
EBRCD1
MDSCA1
AECCG1
MGECB1
COVER ASSEMBLY, BODY
#EV#

-14-
MJMTD1
MGJTR1
MHYTC1
MDSTA1
MDTTA1
MCKTS1
MDSTA2
MBLTT1
MCKTH1
MGZTR1
MFCTL1
MCKTC1
ACQTD1
AJLTD1
TANK ASSEMBLY, DUST
#EV#

-15-
ACCESSORIES
AEMAF1
ABCAD1
MFVAC1
AGRPT1
AGBN66
MFL552
OWNERS
MANUAL
MAY000
#EV#

-16-
REPLACEMENT PARTS LIST
ABCAD1 ABC65852301 Brush Assembly,Dust R
ABNBA1 ABN31571101 Cap Assembly R
ACQBE1 ACQ65857001 Cover Assembly,Exhaust R
ACQBM1 ACQ65856701 Cover Assembly,Motor R
ACQBM2 3551FI3745H Cover Assembly,Motor R
ACQTD1 ACQ65888502 Cover Assembly,Dust R
ACVBA1 4901FI3435U Damper Assembly R
ADQBE1 ADQ56691101 Filter Assembly,Exhaust R
ADVCF1 ADV65858101 Frame Assembly,Filter R
AECCG1 AEC65858001 Guide Assembly,Air R
AEMAF1 AEM65868510 Hose Assembly,Flexible R
AGBN66 AGB65854301 Nozzle Assembly,Floor R
AGRPT1 AGR70487601 Pipe Assembly,Telescopic R
AHDBR1 AHD57008804 Reel Assembly R
AHJBA1 AHJ65857901 Roller Assembly R
AJLTD1 AJL65856603 Tank Assembly,Dust R
AJWBA1 AJW31561709 Wheel Assembly R
EADBS1 EAD56276701 Harness,Single R
EADCS1 6631FI3155Q Harness,Single R
EADCS2 EAD56276703 Harness,Single R
EADCS3 EAD56276702 Harness,Single R
EAUBA1 EAU39812801 Motor Assembly,AC,Vacuum Cleaner R
EAUCM1 6549W1S011N Motor, AC Synchronous R
EBRBM1 EBR41525303 PCB Assembly,Main R
EBRCD1 EBR51747701 PCB Assembly,Display R
EBRCP1 EBR41525602 PCB Assembly,Sub R
EBRCP2 EBR41525601 PCB Assembly,Sub R
MAMBB1 MAM49987301 Base,Body R
MAY000 MAY58921502 Box R
MBDBB8 MBD50004001 Bumper,Body R
MBDBB9 MBD50004801 Bumper,Body R
MBGCB1 MBG53465602 Button,Release R
MBGCR1 MBG47790802 Button,Cord Reel R
MBLTT1 MBL53527702 Cap,Tank R
MCKBE1 MCK53530401 Cover,Exhaust Filter R
MCKBW1 MCK33920604 Cover,Wheel R
MCKBZ1 MCK53530001 Cover,Motor Housing R
MCKBZ2 3550FI1824A Cover,Motor R
MCKCA1 MCK53457206 Cover,Decor R
LOC. NO. PART NO. DESCRIPTION SVC COMMENT(REMARK)
VK9820NHB(VK9820NHA.ABLQLGU)
R : SERVICE PARTS

-17-
MCKCB1 MCK50008501 Cover,Body R
MCKCD8 MCK53458201 Cover,Decor R
MCKCH1 MCK53466201 Cover,Handle R
MCKCS1 MCK53467501 Cover,Body(Sub) R
MCKCV1 MCK53457701 Cover,Guide R
MCKCZ1 3550FI3802A Cover,Terminal R
MCKTC1 MCK47375601 Cover,Sensor R
MCKTH1 MCK53527901 Cover,Handle R
MCKTS1 MCK53527802 Cover,Dust R
MCQBM1 MCQ47798401 Damper,Motor Mount R
MDJBE1 MDJ49556601 Filter,Exhaust R
MDJBM1 MDJ50005201 Filter,Motor Safety R
MDJCM1 MDJ54988501 Filter,Motor Safety R
MDQCF1 MDQ53516501 Frame,Filter R
MDSBA1 MDS49556114 Gasket R
MDSBA2 MDS49531401 Gasket R
MDSBA3 MDS55182701 Gasket R
MDSBA4 MDS55183101 Gasket R
MDSBA5 MDS49556801 Gasket R
MDSBA7 MCQ53269001 Damper,Sealing R
MDSCA1 MDS54997501 Gasket R
MDSCA2 MDS49556113 Gasket R
MDSCA3 MDS49556112 Gasket R
MDSCA4 MDS54988301 Gasket R
MDSCA5 MDS49556109 Gasket R
MDSCA7 MDS49556104 Gasket R
MDSTA1 MDS54998101 Gasket R
MDSTA2 MDS54985701 Gasket R
MDTCA1 MDT35353701 Gear R
MDTTA1 MDT47375501 Gear R
MEACA1 MEA53464101 Guide,Air R
MEACA2 MEA53461601 Guide,Air R
MEAGG1 MEA53465501 Guide,Filter R
MEBCC1 MEB53467201 Handle,Carrier R
MEBCC2 MEB53464705 Handle,Carrier R
MEGBH1 MEG53530101 Holder,Cover R
MEGCH1 MEG53466105 Holder,Fixing R
MEKBM1 MEK50003401 Housing,Motor R
MFCBR1 MFC53530202 Lever,Release R
LOC. NO. PART NO. DESCRIPTION SVC COMMENT(REMARK)
R : SERVICE PARTS

-18-
LOC. NO. PART NO. DESCRIPTION SVC COMMENT(REMARK)
R : SERVICE PARTS
MFCCL1 MFC53516201 Lever,Bottom R
MFCTL1 MFC53528001 Lever,Release R
MFGCL1 MFG53516303 Locker,Connector R
MFL552 MFL57001301 Manual,Owners R
MFVAC1 MFV55007301 Nozzle,Crevice R
MGECB1 MGE53468001 Pipe,Bending R
MGECC1 MGE53467801 Pipe,Connector R
MGJTR1 MGJ53529801 Plate,Rotation R
MGZTR1 MGZ47799901 Ring,Guide R
MHYBC1 4970FI4230K Spring,Coil R
MHYCC1 MHY37941602 Spring,Coil R
MHYCC2 4970FI4511Y Spring,Coil R
MHYCC3 4970FI4694M Spring,Coil R
MHYTC1 4970FI4511X Spring,Coil R
MJCCA1 MJC47358301 Strainer,Inner R
MJHCM1 MJH47371601 Supporter,Motor R
MJMTD1 MJM53522001 Tank,Dust R

-19-
REPLACEMENT PARTS LIST
LOC. NO. PART NO. DESCRIPTION SVC COMMENT(REMARK)
VK9820NHC(VK9820NHA.ABKQLGU)
R : SERVICE PARTS
ABCAD1 ABC65852302 Brush Assembly,Dust R
ABNBA1 ABN31571101 Cap Assembly R
ACQBE1 ACQ65857002 Cover Assembly,Exhaust R
ACQBM1 ACQ65856702 Cover Assembly,Motor R
ACQBM2 3551FI3745H Cover Assembly,Motor R
ACQTD1 ACQ65888506 Cover Assembly,Dust R
ACVBA1 4901FI3435U Damper Assembly R
ADQBE1 ADQ56691101 Filter Assembly,Exhaust R
ADVCF1 ADV65858101 Frame Assembly,Filter R
AECCG1 AEC65858001 Guide Assembly,Air R
AEMAF1 AEM65868503 Hose Assembly,Flexible R
AGBN66 AGB65854302 Nozzle Assembly,Floor R
AGRPT1 AGR70487602 Pipe Assembly,Telescopic R
AHDBR1 AHD57008804 Reel Assembly R
AHJBA1 AHJ65857902 Roller Assembly R
AJLTD1 AJL65856609 Tank Assembly,Dust R
AJWBA1 AJW31561708 Wheel Assembly R
EADBS1 EAD56276701 Harness,Single R
EADCS1 6631FI3155Q Harness,Single R
EADCS2 EAD56276703 Harness,Single R
EADCS3 EAD56276702 Harness,Single R
EAUBA1 EAU39812801 Motor Assembly,AC,Vacuum Cleaner R
EAUCM1 6549W1S011N Motor, AC Synchronous R
EBRBM1 EBR41525303 PCB Assembly,Main R
EBRCD1 EBR51747701 PCB Assembly,Display R
EBRCP1 EBR41525602 PCB Assembly,Sub R
EBRCP2 EBR41525601 PCB Assembly,Sub R
MAMBB1 MAM49987302 Base,Body R
MAY000 MAY58921502 Box R
MBDBB8 MBD50004002 Bumper,Body R
MBDBB9 MBD50004802 Bumper,Body R
MBGCB1 MBG53465602 Button,Release R
MBGCR1 MBG47790803 Button,Cord Reel R
MBLTT1 MBL53527705 Cap,Tank R
MCKBE1 MCK53530402 Cover,Exhaust Filter R
MCKBW1 MCK33920604 Cover,Wheel R
MCKBZ1 MCK53530001 Cover,Motor Housing R
MCKBZ2 3550FI1824A Cover,Motor R
MCKCA1 MCK53457203 Cover,Decor R

-20-
LOC. NO. PART NO. DESCRIPTION SVC COMMENT(REMARK)
MCKCB1 MCK50008502 Cover,Body R
MCKCD8 MCK53458201 Cover,Decor R
MCKCH1 MCK53466201 Cover,Handle R
MCKCS1 MCK53467502 Cover,Body(Sub) R
MCKCV1 MCK53457701 Cover,Guide R
MCKCZ1 3550FI3802A Cover,Terminal R
MCKTC1 MCK47375601 Cover,Sensor R
MCKTH1 MCK53527901 Cover,Handle R
MCKTS1 MCK53527806 Cover,Dust R
MCQBM1 MCQ47798401 Damper,Motor Mount R
MDJBE1 MDJ49556601 Filter,Exhaust R
MDJBM1 MDJ50005201 Filter,Motor Safety R
MDJCM1 MDJ54988501 Filter,Motor Safety R
MDQCF1 MDQ53516501 Frame,Filter R
MDSBA1 MDS49556114 Gasket R
MDSBA2 MDS49531401 Gasket R
MDSBA3 MDS55182701 Gasket R
MDSBA4 MDS55183101 Gasket R
MDSBA5 MDS49556801 Gasket R
MDSBA7 MCQ53269001 Damper,Sealing R
MDSCA1 MDS54997501 Gasket R
MDSCA2 MDS49556113 Gasket R
MDSCA3 MDS49556112 Gasket R
MDSCA4 MDS54988301 Gasket R
MDSCA5 MDS49556109 Gasket R
MDSCA7 MDS49556104 Gasket R
MDSTA1 MDS54998101 Gasket R
MDSTA2 MDS54985701 Gasket R
MDTCA1 MDT35353701 Gear R
MDTTA1 MDT47375501 Gear R
MEACA1 MEA53464101 Guide,Air R
MEACA2 MEA53461601 Guide,Air R
MEAGG1 MEA53465501 Guide,Filter R
MEBCC1 MEB53467201 Handle,Carrier R
MEBCC2 MEB53464703 Handle,Carrier R
MEGBH1 MEG53530102 Holder,Cover R
MEGCH1 MEG53466103 Holder,Fixing R
MEKBM1 MEK50003402 Housing,Motor R
MFCBR1 MFC53530202 Lever,Release R