Daewoo RC-371BC User manual

S/M NO : RC3714F010
OCTOBER. 2002
Service Manual
VACUUM CLEANER
DAEWOO
MODEL : RC-371BC
DAEWOO ELECTRONICS CORP.

CONTENTS
Page
1. SPECIFICATIONS ----------------------------------------------
-
2
2. EXTERNAL VIEWS ---------------------------------------------
-
3
2-1. ASSEMBLY ---- 3
3. DIAGRAM ---------------------------------------------------------
-
4
3-1. WIRING DIAGRAM -------------------------------------------------
-
4
3-2. CIRCUIT DIAGRAM ------------------------------------------------
-
5
4. TROUBLE SHOOTING GUIDE ------------------------------ 6
5. DISASSEMBLING AND TREATMENT --------------------
-
8
5-1. CLEANER ASSEMBLY -------------------------------------------- 8
5-2. BODY ASSEMBLY -------------------------------------------------
-
10
5-3. MOTOR ASSEMBLY -----------------------------------------------
-
11
5-4. CORDREEL ASSEMBLY -----------------------------------------
-
12
5-5. PCB ASSEMBLY ---------------------------------------------------- 14
5-6. HOSE ASSEMBLY -------------------------------------------------
-
15
5-7. BRUSH ASSEMBLY -----------------------------------------------
-
16
6. EXPLODED VIEW AND PARTS LIST ---------------------
-
17
6-1. CLEANER ASSEMBLY -------------------------------------------- 17
6-2. BODY ASSEMBLY ----------------------------------------------- 19
6-3. COVER ASSEMBLY -----------------------------------------------
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21
6-4. MOTOR ASSEMBLY -----------------------------------------------
-
23
6-5. CORDREEL ASSEMBLY -----------------------------------------
-
24
6-6. PCB ASSEMBLY ---------------------------------------------------- 26
6-7. HOSE ASSEMBLY -------------------------------------------------27
6-8. PIPE ASSEMBLY ------------------------------------- 28
6-9. BRUSH ASSEMBLY ----------------------------------------------- 29

1. SPECIFICATIONS
MODEL
Rated Voltage/Frequency
Input Watt
Suction Power
Weight (Body)
Dimension (LXHXD)
Cord Length 5.4m
376 X 278 X 257 mm
Nozzle Crevice Nozzle
RC-371BC
1400W
250W
3.5Kg
AC 230V, 50Hz

2. EXTERNAL VIEWS
PART NAME MODEL
A - HOSE HANDLE RC-371BC
B - BODY HANDLE RC-371BC
C - CORD REWIND BUTTON RC-371BC
D - SWITCH BUTTON RC-371BC
E - DUST COVER RC-371BC
F - DUST METER RC-371BC
G- ADAPTER RC-371BC
H- HOSE RC-371BC
I- POWER CORD RC-371BC
J- BRUSH RC-371BC
2-1. ASSEMBLY
A
B
C
D
E
F
G
I
H
J

3. DIAGRAM
1) MODEL RC-3714F
3. DIAGRAM. 3-1. WIRING DIAGRAM MODEL RC-371BC
3-1. WIRING DIAGRAM
CordReel
Motor
Switch
PCB
CordReel
PCB
Volume PCB
Motor
Switch

1) MODEL RC-3714F
3-2. CIRCUIT DIAGRAM MODEL RC-371BC
3-2. CIRCUIT DIAGRAM

4. TROUBLE SHOOTING GUIDE
TROUBLE CAUSE COUNTERMEASURE
SUCTION POWER FILTER BAG(PAPER) IS FULL CHANGE IT WITH NEW ONE (See 5-2)
IS WEAK WITH DUST
FILTER PRE IS CLOGGY WITH DUST REMOVE THE DUST (See 5-2)
CLOGGING OR TEAR IN HOSE REMOVE OBSCTACLE
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
CLEANER DOES BREAKING IN POWER CORD REPLACE THE POWER CORD (See5-4
)
NOT WORK (AT BLADE TIP OR ROOT OF PLUG)
BREAKING OF CONNECTIONS REPAIR (See 5-6)
IN HOSE ASSEMBLY
DEFECTIVE SLIDE VOLUME REPLACE IT (See 5-6)
LOCATED IN HOSE HANDLE
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 REPLACE IT (See 5-5)
MOTOR DOES NOT DEFECTIVE PCB ASSEMBLY REPLACE IT (See 5-5)
STOP EVEN IF
SWITCH

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

5. DISASSEMBLING AND TREATMENT
THE COVER ASSEMBLY(2) UP FROM THE BODY ASSEMBLY.
5-1. CLEANER ASSEMBLY

2) LIFT THE MOTOR ASSEMBLY(2), PCB ASSEMBLY(3), CORDREEL ASSEMBLY(4) UP
FROM THE BODY ASSEMBLY(1).

1) CHECK THE FILTER (7,9).
2) CHECK THE GASKET (6).
5-2. BODY ASSEMBLY

1) TAKE THE MOTOR ASSEMBLY OUT OF THE BODY.
3) CHECK THE MOTOR(1) (WHETHER THE MOTOR IS BURNT OUT OR NOT).
5-3. MOTOR ASSEMBLY

5-4. CORDREEL ASSEMBLY

1) TAKE THE CORD REEL ASSEMBLY OUT OF THE COVER ASSEMBLY.
2) UNSCREW THE SCREW(13).
3) SEPARATE THE BOBBIN(1) FROM THE BRACKET(10) AND CHECK
THE CONTACTS BETWEEN THE Y TYPE TERMINALS(12) AND
THE RING TYPE TERMINALS(2,3).
4) CHECK THE LEVER SPRING(16).
5) IF THE ROLLER BRAKE(15) IS WORN OUT AND SEPARATE THE LEVER(14) FROM
THE BRACKET(10), THEN REPLACE THE ROLLER BRAKE(15).
AT THIS TIME, THE BOBBIN(1) IS ROTATED COUNTERCLOCKWISE DUE TO
THE PRESERVED WINDING.
REPLACE IT.
7) UNSCREW THE SCREW (6) AND SEPARATE THE HOLDER TERMINAL(5) FROM
THE BOBBIN(1).
TERMINALS(2,3).
THE BOBBIN CLOCKWISE.
CAUTION
WHEN DISASSEMBLING, THE REEL SPRING MAY SPRING
OUT OF THE COVER.

5-5. PCB ASSEMBLY. MODEL RC-371BC
1) CHECK THE TERMINAL(12).

1) CHECK THE CONNECTIONS THE ADAPTER(1) AND THE HOSE(2).
2) CHECK THE PACKING(7)
5-6. HOSE ASSEMBLY

1) UNSCREW THE 4 SCREWS(13) AND SEPARATE THE COVER BRUSH(12) FROM
THE BODY BRUSH(1).
5-7. BRUSH ASSEMBLY

6.1. EXPLODED VIEW AND PARTS LIST. MODEL RC-371BC

NO PART NAME PART CODE SPECS. Q'YT
1 BODY ASSY 3620411300 ASSY 1
2 MOTOR UNIVERSAL 3962511450 230V 1100W DMI 1
3 PCB POWER CONTROL AS 3624313000 ASSY(230V,50/60Hz)) 1
4 CORD REEL ASSY 3629508100 ASSY(5m) 1
5 COVER ASSY 3621435700 ASSY 1
6 PIPE STEEL 3624403510 SPC T=0.7/32-CR 2
7 NOZZLE CREVICE 3628100600 PP 1
8 HOSE ASSY 3623206300 ASSY(EVA, 1.5M) 1
9 BRUSH ASSY 3629304920 ASSY(NO STAMPING) 1

6-2. BODY ASSEMBLY