LG V-C3A41ND User manual

P/No. : 3828FI5879A
May, 2003
Printed in China

VACUUM CLEANER
SERVICE MANUAL
MODELS: V-C3A41ND, V-C3A42SD, V-C3A53ND,
V-C3A54SD, V-C3A55HT, V-C3A56HTU
V-CP643ND/NT/SD/ST/STR/STS
V-CP653ND/NT/SD/ST/STR/STS
V-CP663ND/NT/SD/ST/STR/STS
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.

2
CONTENTS
SAFETY PRECAUTIONS ......................................................................................................................... 3
SERVICING PRECAUTIONS.................................................................................................................... 4
SPECIFICATIONS..................................................................................................................................... 4
FEATURES ............................................................................................................................................... 4
CONTROL LOCATIONS........................................................................................................................... 5
VACUUM POWER ADJUSTMENT ............................................................................................................5
DISASSEMBLY INSTRUCTIONS..........................................................................................................6~7
TROUBLESHOOTING GUIDE.............................................................................................................8~10
BLOCK DIAGRAM............................................................................................................................ 11~12
SCHEMATIC DIAGRAM ....................................................................................................................11~12
PRINTED CIRCUIT diagram .............................................................................................................11~12
EXPLODED VIEW ............................................................................................................................ 13~16
REPLACEMENT PARTS LIST.......................................................................................................... 17~18
APPENDIX .............................................................................................................................................. 19
1. THE TYPE OF POWER CORD & PARTS NUMBER .........................................................................19
2. COLOR & PARTS NUMBER ..............................................................................................................20
3. MOTOR & P.C.B ASS'Y PARTS NUMBER .........................................................................................21

3
BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY,
AND OBSERVE EACH POINT CAREFULLY.
1. Change the paper bag or clean the cloth bag in
case the indicator moves toward red.
1) If the dust bag is full, intake power will be reduced.
2) When the dust bag is full of dust, pull out the dust bag
from the inside of body base.
2. Filter
1) The filter is composed of a clean filter, a exhaust filter
and a paper bag or a cloth bag.
2) Never use the vacuum cleaner without filters.
It may harm to the motor.
3) When the cloth bag, the clean filter and the exhaust
filter are soiled, wash the filter with neutral cleanser.
NOTE : Re-use of the cloth bag, clean filter and
exhaust filter.
Never wash the filter in a washing machine or in a
dishwasher.
Never use hot water for washing the filter.
Re-use the filter after drying it completely in the
shade.
Do not dry near fire or direct sunray.
3. Dust indicator
Dust indicator shows you red color when the filter is full of
dust.
Then, change the paper bag with new one or clean the
cloth bag.
4. Avoid suction such materials as :
1) Liquid or wet dust : Clogging the ventilation holes,
reduces the intake 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 or glass
particles etc.
5. Attachments
• Nozzle : for cleaning wooden floor, the room floor and
carpet.
• Crevice Tool : for cleaning any crevice, inside corners
of window frames.
However, do not use the crevice tool more than 20
minutes because it may cause harm to the motor.
6. 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.
7. Air exhausted from the vacuum cleaner is
normally warm. But if extraordinarily hot air is
exhausted, check if the telescopic tube, hose or
dust bag is clogged or not.
8. Electric shock could occur if used outdoors or
on wet surfaces.
SAFETY PRECAUTIONS

4
SPECIFICATIONS
•MODEL:V-CP643ND/NT/SD/ST
• POWER SOURCE : ON RATING PLATE
• POWER CONSUMPTION : ON RATING PLATE
• POWER CONTROL :
-MAIN:SLIDE CONTROL
(V-C3A42SD, V-CP643SD/ST, V-C3A54SD,
V-CP653SD/ST, V-CP663SD/ST)
PUSH ON/OFF
(V-C3A41ND, V-CP643ND/NT, V-C3A53ND,
V-CP653ND/NT, V-CP663ND/NT)
HOSE SLIDE CONTROL
(V-C3A55HT, V-C3A56HTU)
• CAPACITY : 3.0 liters
• CORD LENGTH : 5m/6m
• HOSE LENGTH : 1.5 m
•NETWEIGHT:3.9 kg
• PACKING WEIGHT : 6.4 kg
• NET DIMENSION : 285x396x246(WxDxH)mm
• PACKING DIMENSION : 330 x 530 x 290 (W x D x H)
(with plastic, steel and
aluminium pipe)
330 x 570 x 290 (W x D x H)
(with telescopic pipe)
•ATTACHMENTS
HOSE ......................................................................1EA
STEEL PIPE ASM ...................................................2EA
TELESCOPIC PIPE ASM........................................1EA
NOZZLE ASM..........................................................1EA
CREVICE TOOL......................................................1EA
CLOTH BAG ASM(OPTIONAL)...............................1EA
EXTRA PAPER BAG ASM(PAPER, OPTIONAL) ...1EA
DUSTING BRUSH(OPTIONAL) ..............................1EA
UPHOLSTERY NOZZLE(OPTIONAL).....................1EA
SERVICING PRECAUTIONS
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) Disconnect the lead wires.
3) Lift the old motor and replace it with a new one.
2. In case of exchanging other parts, refer to the
exploded view.
• This specifications are subject to change according to the buyer's request.
FEATURES
THIS VACUUM CLEANER IS THE MOST MODERN STYLE GOODS, SUITABLE FOR HOUSEHOLD
USE AND IT RUNS AFTER A NEW VARIATION IN ORDER TO MEET MODERN LIFE SENSE BY
IMPROVING THE DESIGN, THE STRUCTURE AND THE POWER.
1. Strong Suction Power
This vacuum cleaner has a strong suction power because
it utilizes a highly efficient and powerful motor.
2. Automatic Cord Winding Mechanism
It is very convenient becasue it winds the cord
automatically after operating the unit.
3. Vacuum Power Adjustment
It is very convenient becasue vacuum power varies with
cleaning work by moving the slide knob.
4. Convenient Push Button Switch
Using the switch located in the main body, this vacuum
cleaner can be operated easily.
5. Excellent Running
Running is execllent by adopting large wheel.(ø150)
6. Miscellaneous
1) The dust indicator shows you red color when to
exchange the filter bag or to clean the cloth bag.
2) The washable cloth bag can be used for a long time.

5
CONTROL LOCATIONS
Telescopic Pipe
Ass'y
Steel Pipe
Ass'y
Body Cover
Carpet Pedal
Nozzle Ass'y
Dust Indicator
Power Cord
NZ-15 NZ-27 NZ-30
DUSTING BRUSH
(OPTION)
UPHOLSTERY NOZZLE
(OPTION)
CLOTH BAG ASS'Y
(OPTION)
FILTER BAG ASS'Y
(OPTION)
CREVICE TOOL
ATTACHMENTS
Slide Knob Suction
Cord Reel Button
Switch Button
(ON/OFF)
Flexible Hose
Ass'y
Flexible Hose
Ass'y
WheelFilter Cover
Setting
Hook
Handle
VACUMM POWER ADJUSTMENT
When you want to control the vacuum power for curtains and
clothes, slide the slide knob on the handle.

6
•Almost all the parts of this vacuum cleaner can be
assembled 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.
DISASSEMBLY INSTRUCTIONS
NOTE: Before attempting to service or adjust any part of the vacuum cleaner, disconnect the electrical
power supply cord from the wall outlet.
Carrying
Handle
Filter Cover
Set Hook
1. Filter Cover Assembly Replacement
l) Grasp carrying handle and open filter cover by
lifting set hook.
2) Push the hinge side by inserting flat screw driver
in crack between hinge and body cover.
3. Body Cover Assembly Replacement
1) Open the filter cover in the direction of arrow and
remove the two screws fastening the body base.
2) Lift body cover in the direction of the arrow.
3) Strip off the lead wires from the push switch.
2. Indicator Assembly Replacement
1) Grasp indicator assembly and push it out in the
direction of the arrow.
2) Lift the indicator assembly.

7
Lever Slide Knob
Cord Reel
Button
4. Push Switch Assembly Replacement
1) Remove the screws fastening the Switch
Supporter Ass'y in the direction of the arrow on the
body cover, and then lift the Switch Supporter.
2) When reassembling, assemble after sliding the
lever of P.W.B Ass’y and switch knob to the left
side.
6. Motor Assembly Replacement
•Lift the motor assembly in direction of the arrow
after stripping off the lead wires.
7. Cord Reel Assembly Replacement
•Lift the cord reel assembly from the body base in
direction of the arrow.
2) Lift the Switch Ass'y from the Switch Supporter
Ass'y.
5. P.W.B ASM Replacement.
1) Remove the two screws fastening the P.W.B Ass’y
on the body cover.

Checking Cause Solution
Check the power
source
The fuse is melt down in the
coverknife switch
Poor plug insertion
Power cord cut
Motor(stator armature) coil
cut or damaged
Poor contact carbon
brush defaced
Poor switch contact point
Motor armature cut
Ball bearing defacement
Impeller hindrance
(Caused by foreign matters)
Exchange the motor
Exchange the motor
Remove the foreign
matters
Exchange the fuse
Insert again
Repair or exchange
Interior lead wire cut Exchange the lead wire
Exchange the motor
Exchange or repair
Exchange the switch
Normal
Abnormal
8
TROUBLE SHOOTING GUIDE
1. SWITCH ON BUT MOTOR DOES NOT TURN
2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES

Poor connection
Poor switch
Repair
Exchange the switch
Carbon brush defaced
Motor armature cut
Exchange the carbon brush
or the motor
Exchange the motor
Foreign matters attached to
the impeller
Remove the foreign
matters
Low voltage Inquire to the Power utility
company
Low rotation speed
Hose and extension wands
are clogged with foreign
matters
Remove the foreign
matters in the hose or
extension wands
Motor turns normally,
but suction power is
weak
Filter bag or cloth bag is filled
with inhaled foreign matters
The slide knob on the handle
is opened
Remove the foreign
matters or exchange the
filter bag or clean the cloth
bag
Close the slide knob by
sliding it
9
3. SWITCH OFF BUT MOTOR TURNS
4. WEAK SUCTION POWER