
Service Manual
Vacuum Cleaner
Model: RC-400'S
http : //svc.dwe.co.kr May. 2003
DAEWOO ELECTRONICS CO., LTD.
S/M No. : RC400SE001
✔
Caution
: In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).

1. SPECIFICATIONS ------------------------------------------------------------------------------------------
2. EXTERNAL VIEWS ---------------------------------------------------------------------------------------------
3. DIAGRAM ------------------------------------------------------------------------------
4
3-1. WIRING DIAGRAM
3-2. CIRCUIT DIAGRAM
4. TROUBLE SHOOTING GUIDE --------------------------------------------------------------
5. DISASSEMBLING AND TREATMENT -----------------------------------------------------------
5-1. CLEANER ASSEMBLY ----------------------------------------------------
5-2. BODY ASSEMBLY ------------------------------------------------------------
5-3. MOTOR ASSEMBLY ----------------------------------------------------------------
5-4. CORDREEL ASSEMBLY --------------------------------------------------
5-5. PCB ASSEMBLY --------------------------------------------------------------
5-6. HOSE ASSEMBLY ----------------------------------------------------------------
5-7. BRUSH ASSEMBLY --------------------------------------------------------------
5-8. DUST BOX ASSEMBLY --------------------------------------------------------------
6. EXPLODED VIEW AND PARTS LIST ------------------------------------------------
6-1. CLEANER ASSEMBLY ----------------------------------------------------
6-2. BODY ASSEMBLY ---------------------------------------------------------
6-3. COVER BODY ASSEMBLY -----------------------------------------------------
6-4. COVER DUST ASSEMBLY -----------------------------------------------------
6-5. DUST BOX ASSEMBLY -----------------------------------------------------
6-6. MOTOR ASSEMBLY ----------------------------------------------------------------
6-7. CORDREEL ASSEMBLY ------------------------------------------------------
6-8. CASE MOTOR UPPER ASSEMBLY --------------------------------------------------------------
6-9. HOSE ASSEMBLY ----------------------------------------------------------
6-10. PIPE ASSEMBLY ----------------------------------------------------------
6-11. BRUSH ASSEMBLY --------------------------------------------------------

1. SPECIFICATIONS
MODEL RC-4005B'S RC-4006B'S
Rated Voltage/Frequency AC 230V, 50/60Hz
¢¸
Input Watt 1500W 1600W
Suction Power 350W 370W
Noise Level 75dB(A) 73dB(A)
Weight (Body) 4.7Kg
¢¸
Electrical Components
Thermostat (T80:80¡É OFF )
¢¸
Dimension (WXHXD) 437 X 229 X 294 mm
¢¸
Cord Length 5.0m
¢¸
Filter General
HEPA
Pipe 2 Steel Telescopic
Nozzle Pedal
¢¸
Crevice Nozzle
¢¸
2

2. EXTERNAL VIEWS
PART NAME
RC-4005B'S RC-4006B'S
A
FILTER General HEPA
B
BODY VARIABLE
O O
C
HOSE HANDLE FLAT Type FLAT Type
D
PIPE 2 STEEL TELESCOPIC
E
NOZZLE PEDAL PEDAL
F
POWER CORD
O O
¡ß FILTER : GENERAL(3621909500, SPONGE 20T), HEPA(3621908510)
¡ß PIPE : 2 STEEL(3624409000), TELESCOPIC(3624411470)
¡ß NOZZLE : CLEAN(3629311200), PEDAL(3629306610)
3

3. DIAGRAM
1) MODEL RC-4005B'S, 4006B'S
1) MODEL RC-4005B'S. RC-4006B'S
3-1. WIRING DIAGRAM
3-2. CIRCUIT DIAGRAM
4

4. TROUBLE SHOOTING GUIDE
TROUBLE CAUSE COUNTERMEASURE
SUCTION POWER FILTER BAG(PAPER)/DUST BOX IS CHANGE IT WITH NEW ONE (See 5-1,8)
IS WEAK FULL WITH DUST REMOVE THE DUST IN DUST BOX
FILTER PRE IS CLOGGY WITH DUST REMOVE THE DUST (See 5-2)
CLOGGING OR TEAR IN HOSE REMOVE OBSTACLE
OR REPLACE THE HOSE (See 5-6)
DEFECTIVE MOTOR REPLACE THE MOTOR (See 5-3)
THE OPENING IN BRUSH IS CLOGGY REMOVE THE DUST (See 5-7)
WITH DUST
VACUUM CLEANER BREAKING IN POWER CORD REPLACE THE POWER CORD (See5-4)
DOES NOT WORK (AT BLADE TIP OR ROOT OF PLUG)
BREAKING OF CONNECTIONS
IN HOSE ASSEMBLY
DEFECTIVE SLIDE VOLUME REPLACE IT (See 5-3)
LOCATED IN CASE MOTOR UPPER
DEFECTIVE PCB ASSEMBLY REPLACE IT (See 5-5)
BREAKING OF CONNECTIONS REPAIR (See 5-4)
OR POOR CONTACTS IN
CORD REEL ASSEMBLY
DEFECTIVE MOTOR REPLACE IT (See 5-3)
BREAKING OF CONNECTIONS REPAIR (See 5-2)
IN BODY ASSEMBLY
BREAKING IN A FUSE
MOTOR DOES NOT DEFECTIVE PCB ASSEMBLY REPLACE IT (See 5-5)
STOP EVEN IF
SWITCH
5

TROUBLE CAUSE COUNTERMEASURE
BROKEN REEL SPRING REPLACE IT (See 5-4)
OF CORD REEL
POWER CORD BROKE AWAY REPAIR (See 5-4)
FROM THE BOBBIN
ABRASION OF THE ROLLER BRAKE REPLACE THE ROLLER
OF CORD REEL BRAKE (See 5-4)
LEVER SPRING BROKE AWAY REPAIR (See 5-4)
FROM THE CORD REEL BRACKET
POWER CORD DOES
NOT STOP AT AN
ARBITRARY
POSITION
POWER CORD IS
NOT WOUND UP
BE CAREFUL WHEN BREAKING UP THE CORD REEL, THE REELSPRING
MAY SPRING OUT OF THE SPRING COVER.
CAUTION
6

5. DISASSEMBLING AND TREATMENT
1) LIFT THE DUST COVER(8), GRILLE(10), FILTER(9) AND UNSCREW THE 6 SCREWS(6)
AND THEN LIFT THE COVER ASSEMBLY(5) UP FROM THE BODY ASSEMBLY(1).
2) CHECK THE DUST BOX.
3) CHECK THE HEPA(OR GENERAL) FILTER (9).
5-1. CLEANER ASSEMBLY
7

1) CHECK THE SAFETY VALVE ASSEMBLY (14).
2) CHECK THE GASKET (11).
3) CHECK THE HOLDER FILTER (9).
4) CHECK THE FILTER PRE (12).
5-2. BODY ASSEMBLY
8

1) TAKE THE MOTOR ASSEMBLY OUT OF THE CASE MOTOR ASSEMBLY.
2) CHECK THE MOTOR(2) (WHETHER THE MOTOR IS BURNT OUT OR NOT).
3) CHECK THE CONNECTION BETWEEN MOTOR TERMINAL AND THE LEADS.
4) CHECK THE SLIDE VOLUME(5) AND SWITCH(6).
5-3. MOTOR ASSEMBLY
9

1) TAKE THE CORD REEL ASSEMBLY OUT OF THE BODY ASSEMBLY.
2) UNSCREW THE SCREW(21).
3) SEPARATE THE BOBBIN(5) FROM THE CASE MOTOR BOTTOM(1) AND CHECK
THE CONTACTS BETWEEN THE Y TYPE TERMINALS(13,14) AND
THE RING TYPE TERMINALS(7,8).
4) CHECK THE LEVER SPRING(4).
5) IF THE ROLLER BRAKE(3) IS WORN OUT AND SEPARATE THE LEVER(2) FROM
THE CASE MOTOR BOTTOM(1), THEN REPLACE THE ROLLER BRAKE(3).
AT THIS TIME, THE BOBBIN(5) IS ROTATED COUNTERCLOCKWISE DUE TO
THE PRESERVED WINDING.
6) IF THE REEL SPRING(19) IS BROKEN, UNSCREW THE 2 SCREWS(20) AND
REPLACE IT.
7) UNSCREW THE SCREW (10) AND SEPARATE THE HOLDER TERMINAL(6) FROM
THE BOBBIN(5).
8) CHECK THE CONNECTIONS BETWEEN THE POWER CORD(9) AND THE RING
TERMINALS(7,8).
9) WHEN ASSEMBLING, MAKE THE RESERVED WINDING 5 REVOLUTIONS OF
THE BOBBIN CLOCKWISE.
CAUTION
WHEN DISASSEMBLING, THE REEL SPRING MAY
SPRING OUT OF THE COVER.
11