LG VK8710HFN User manual

VACUUM CLEANER
SERVICE MANUAL
MODEL : VK8710HFN, V-K9001HTM, VKC902HTW
VKC902HTM, V-KC902HTM
CAUTION
BEFORE SERVICING THE UNIT, READ THE
"SAFETY PRECAUTIONS" IN THIS MANUAL.
Website http://biz.lgservice.com
삼흥
정판
P/NO : MFL37414503
July, 2007
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.............................................................................................................16~63

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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 grip handle 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(Washable HEPA filter)
1) This filter is reusable HEPA filter.
2) For clean air, theis filter must be assembled.
3) Wash the exhaust filter with water once a year.
4) When the light of grip handle is on, wash the
exhaust filter with water.
NOTE : Reusing of the exhaust 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 half day.
󳢯Do not dry near fire or direct sunray.
󳢯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
Nozzle Assembly,
Turbine(Mini)
Pipe Assembly,
Telescopic
Dust Tank
Cord Reel
Button
Power Cord
ATTACHMENTS
BRUSH ASSEMBLY, DUST NOZZLE, CREVICE
CANISTER
Hose Assembly,
Flexible
Nozzle Assembly,Turbine
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 : 452×294×330 (D×W×H)
• PACKING DIMENSION : 605×330×380 (D×W×H)
• ATTACHMENTS
HOSE ASSEMBLY,FLEXIBLE..........................................1EA
PIPE ASSEMBLY,TELESCOPIC .....................................1EA
NOZZLE ASSEMBLY,TURBINE ......................................1EA
NOZZLE ASSEMBLY,TURBINE(MINI)............................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

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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 WITHIN 2 MINUTES AND BUZZES.
Micro switch breaks down Exchange the micro switch or
repair.
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.
Filter bag or cloth bag is filled
with inhaled foreign matters.
Motor turns normally,
but suction power is weak.
Remove the foreign matters
or exchange the filter bag
or clean the cloth bag.
The slide knob on the handle
is opened.
Close the slide knob by
sliding it.
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-
SLIDE VOLUME MICRO S/W
BR
RD
BL
BR
BL
BR
BR
BL
BL
YL
MAIN
PWB
ASM COMPRESS MOTOR
M
C-2 TYPE
T/P
SCHEMATIC DIAGRAM

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CIRCUIT DIAGRAM

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MHABA1
MHJBR1
MJHBC1
AHJBA1
MCKBE1
MAMBB1
ADQBE1
MCKBW1
MDSBA1
ACVBA1
MCKBZ1
MDSBA4
MDSBA3
MEKBM1
EBRBM1
AHDBR1
MCKBW1
MBDBB1
MCKBF1
MHYBC1
ACQBZ1 MFGBF1
MEABE1
MBDBD1
AJWBA1
AJWBA1
ADVBF1
MCQBA1
MCQBZ1
ACQBM1
EAUBA1
MDSBA2
ABNBA1
EXPLODED VIEW
VK8710HFN(V-KC902HTM.AXRQBWT)
VKC902HTW(V-KC902HTM.AMWQLGU)
VKC902HTM(V-KC902HTM.AXRQLGU)
V-KC902HTM(V-KC902HTM.AMWQLGE)
V-K9001HTM(V-KC902HTM.ADTQRUA)
V-KC902HTM(V-KC902HTM.ADTQLGD)
V-KC902HTM(V-KC902HTM.AMWPLMC)
V-KC902HTM(V-KC902HTM.ALSQSAF)
V-KC902HTM(V-KC902HTM.AMWQLGH)
V-KC902HTM(V-KC902HTM.AMWRLAP)
V-KC902HTM(V-KC902HTM.AXRPLAR)
V-KC902HTM(V-KC902HTM.AXRQDAG)
V-KC902HTM(V-KC902HTM.AXRQSBI)
V-KC902HTM(V-KC902HTM.AXRQEAK)
V-KC902HTM(V-KC902HTM.AXRQBNL)
V-KC902HTM(V-KC902HTM.AMWPECC)
V-KC902HTM(V-KC902HTM.AMWPBRL)
V-KC902HTM(V-KC902HTM.AMWPMEC)
V-KC902HTM(V-KC902HTM.AMWQLTK)
BASE ASSEMBLY, BODY
#EV#

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MGECS1
MCKCB1
MBGCR1
MCKCA1
MHYCC2
MJHCM1
MDTCA1
EAUCA1
EADCS1 MCKCZ1 MGECC1 MEJCC1 EADCS2
MCKCT1
MCZCD1
MDSCA1
MDSCA2
MDSCA4 AEMCC1
MHYCC1
MFCCR1
MCKCH1
MEBCC1
ABNCA1
MDSCA3
COVER ASSEMBLY, BODY
#EV#

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MCKTS1
MBLTT1
MJMTC1
MJCTA1
MGJTB1
MGJTR1
MJMTD1
MDTTA1
MCKTH1
AJLTD1
TANK ASSEMBLY, DUST
#EV#

-15-
ACCESSORIES
AGBN57
MASNB1 AHRNS1 AHRNA1
AEMAF1
AGBN51 ABCAD1
MFVAC1
AGRPT1
#EV#