DOWNLOAD LG V-3900RT Service Manual ↓ Size: 429.15 KB | Pages: 17 in PDF or view online for FREE

Model
V-3900RT
Pages
17
Size
429.15 KB
Type
PDF
Document
Service Manual
Brand
Device
Vacuum Cleaner
File
v-3900rt.zip
Date
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LG V-3900RT Service Manual ▷ View online

- 19 -
2. COLOR & PARTS NUMBER
LOCATION
LEMON
GRASS
NO.
ATAG RED
ORANGE
YELLOW
GREEN
243501
RING, CONNECTOR
4350Fi3757A
4350Fi3757B
4350Fi3757C
4350Fi3757D
335501
COVER, FILTER
3550Fi1474A
3550Fi1474B
3550Fi1474C
3550Fi1474D
335503
COVER, ACCESSORY
3550Fi1475A
3550Fi1475B
3550Fi1475C
3550Fi1475D
340261
LATCH
4026Fi2407A
4026Fi2407B
4026Fi2407C
4026Fi2407D
LOCATION
NO.
DESCRIPTION
PART NO.
REMARKS
4681Fi2373A
VMC 500E2, 230V/50H
Z
4681Fi2373B
VMC 500E1, 220V/50H
Z
4681Fi2373C
VMC 500E3, 240V/50H
Z
4681Fi2373D
VMC 500E5, 230V/50H
Z
4681Fi2373F
VMC 500L1, 110V/60H
Z
4681Fi2373G
VMC 500L2, 120V/60H
Z
LOCATION
NO.
DESCRIPTION
PART NO.
REMARKS
6871FX2100A
SLIDE 230V/50H
Z
6871FX2100D
ROTARY 230V/50H
Z
6871FX2100B
SLIDE 220V/50H
Z
6871FX2100E
ROTARY 220V/50H
Z
6871FX2100G
SLIDE 240V/50H
Z
6871FX2100H
ROTARY 240V/50H
Z
6871FX2100N
ROTARY 220V/60H
Z
6871FX2100J
SLIDE 110V/60H
Z
6871FX2100K
ROTARY 110V/60H
Z
6871FX2100C
SLIDE 120V/60H
Z
6871FX2100F
ROTARY 120V/60H
Z
DESCRIPTION
COLOR
LOCATION
RUSSIAN
LIGHT
NO.
BLUE
SILVER
SEA BLUE
243501
RING, CONNECTOR
4350Fi3757J
4350Fi3757K
4350Fi3757L
335501
COVER, FILTER
3550Fi1474J
3550Fi1474K
3550Fi1474L
335503
COVER, ACCESSORY
3550Fi1475J
3550Fi1475K
3550Fi1475L
340261
LATCH
4026Fi2407J
4026Fi2407K
4026Fi2407L
DESCRIPTION
COLOR
LOCATION
METAL
SILVER
COBALT
CHAMPANGE
NO.
RED
GREEN
BLUE
GOLD
243501
RING, CONNECTOR
4350Fi3757E
4350Fi3757F
4350Fi3757G
4350Fi3757H
335501
COVER, FILTER
3550Fi1474E
3550Fi1474F
3550Fi1474G
3550Fi1474H
335503
COVER, ACCESSORY
3550Fi1475E
3550Fi1475F
3550Fi1475G
3550Fi1475H
340261
LATCH
4026Fi2407E
4026Fi2407F
4026Fi2407G
4026Fi2407H
DESCRIPTION
COLOR
3. MOTOR ASSY & PWB ASSY PARTS NUMBER
146811
168711
PWB(PCB) ASSY, MAIN
MOTOR ASSY, VC
1. Filter
1) The filter is composed of a clean filter, an exhaust filter
and a paper bag or a cloth bag.
2) Never use the vacuum cleaner without filters. 
It may damage the motor. 
3) When the cloth bag, the clean filter and the exhaust filter
are soiled, wash the filter with neutral cleanser.
NOTE : Reusing 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.
Reuse the filter after drying it completely in the shade.
Do not dry near fire or direct sunray.
2. Dust indicator
When the dust bag is full of dust, the indicator turns to
red(Suction power will be reduced). Then change the
paper bag with the new one or clean the cloth bag.
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 of
window frames.
• Dusting Brush : For delicate vacuuming of fabrics on the
furniture, curtains, etc.
• Upholstery Nozzle : For vacuuming the dust on the
upholstery.
However, do not use the crevice tool more than 20   
minutes because it may cause harm to the motor.
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 dust bag is clogged or not.
7. Electric shock could occur if used outdoors or
on wet surfaces.
SAFETY PRECAUTIONS
- 3 -
BEFORE OPERATING THIS VACUUM CLEANER, READ THIS SERVICE MANUAL THOROUGHLY, AND
OBSERVE EACH POINT CAREFULLY.
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.
CAUTIONS
BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE VACUUM CLEANER, DISCONNECT THE
ELECTRICAL POWER SUPPLY CORD FROM THE WALL OUTLET.
TROUBLE SHOOTING 
- 7 -
1. SWITCH ON BUT MOTOR DOES NOT TURN
2. SWITCH ON, MOTOR DOES NOT TURN BUT BUZZES
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 -
4. WEAK SUCTION POWER
3. SWITCH OFF BUT MOTOR TURNS
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
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