Daewoo RC-450 User manual

Service Manual

Vacuum Cleaner

Model : RC-450

DAEWOO ELECTRONICS CO., LTD.

OVERSEAS SERVICE DEPT.

1. SPECIFICATION

MODEL RC-450

RATED VOLTAGE/FREQUENCY AC 230V/50Hz

INPUT WATT MAX 1300W (CEE 1100W)

WEIGHT(BODY) 5.2kg

DIMENSION(LXHXD) 376X231X286m

CORD LENGTH 6m

POWER CONTROL ELECTRONICS VARIABLE

DUST METER MECHANICAL

HOSE CURRENT 1.8m

EXTENSION PIPE 2 STEELS

NOZZLE WIDE SUCTION BRUSH, DUSTING BRUSH,

CREVICE TOOL

2. DIAGRAM

2-1. WIRING DIAGRAM

2-2. CIRCUIT DIAGRAM

C3 C4 C5

T1 G

AC 230V/50Hz

THERMOSTAT

TRIAC

DIAC

S/V

R1C1

MOTOR

3. CAUSE OF TROUBLE AND COUNTERMEASURE

¡¡

CAUTION : BE CAREFUL WHEN BREAKING UP THE CORD REEL. THE REEL SPRING MAY SPRING OUT OF THE SPRING COVER.

TROUBLE COUNTERMEASURE

SUCTION POWER IS

WEAK

CAUSE

REPLACE IT

FILTER BAG(PAPER OR CLOTH) IS

FULL WITH DUST

CLOGGING OR TEAR IN HOSE

DEFECTIVE MOTOR

CHANGE IT WITH NEW ONE

REMOVE OBSTACLE OR

REPLACE THE HOSE

REPLACE THE MOTOR

CLEANER DOES NOT WORK

BREAKING IN POWER CORD

(AT BLADE TIP OR ROOT OF PLUG)

BREAKING OF CONNECTIONS IN

HOSE ASSEMBLY

DEFECTIVE SLIDE VOLUME LOCATED

IN HOSE HANDLE

DEFECTIVE PCB ASSEMBLY

BREAKING OF CONNECTIONS OR

POOR CONTACTS IN CORD REEL

ASSEMBLY

DEFECTIVE MOTOR

BREAKING OF CONNECTIONS IN BODY

ASSEMBLY

DEFECTIVE SWITCH

REPLACE THE POWER

CORD

REPAIR

REPLACE IT

REPAIR

REPLACE IT

REPAIR

REPLACE IT

MOTOR DOES NOT STOP

EVEN IF SWITCH OFF DEFECTIVE PCB ASSEMBLY

REPLACE IT

MOTOR DOES NOT STOP

EVEN IF SWITCH OFF DEFECTIVE PCB ASSEMBLY

REPLACE IT

REPAIR

POWER CORD IS NOT

WOUND UP

BROKEN REEL SPRING OF CORD REEL

POWER CORD BROKE AWAY FROM THE BOBBIN

REPLACE THE ROLLER

BRAKE

REPAIR

POWER CORD DOES NOT

STOP AT AN ARBITRARY

POSITION

ABRASION OF THE ROLLER BRAKE OF

CORD REEL

LEVER SPRING BROKE AWAY FROM

THE CORD REEL BRACKET

4. DISASSEMBLING

1. Open the dust cover. While inserting the tip of the

[-] screwdriver into the slit, push it upward.

2. Close the dust cover and remove the middle

cover.

3. Unscrew the 6 [+] screws which lock the body

and the body cover.

4. Remove the protector and unscrew the 2 [+]

screws.

5. EXPLODED VIEW AND PARTS LIST

5-1. BODY ASSEMBLY(3620406800)

432 5

BODY ASSEMBLY LIST(3620406800)

NO PART NAME CODE SPEC Q’TY

1 BODY 3620405500 ABS KR-2870 1

2 BRACKET ROLLER 3620601500 PP 1

3 ROLLER FRONT 3624703200 SBS+PP 1

4 SHAFT ROLLER 3624901000 SWRM 1

5 SCREW TAPPING 7128401212 T2S WAS 4X12 MFZN BK 1

6 BUSHING ROLLER 3620601300 NYLON6 2

7 ROLLER BACK 3624702900 PP+PVC-S 2

8 HOLDER FILTER 3623003800 NYLON 66 1

9 SPRING HOLDER 3625105400 SUS304-H, T=0.2 1

10 PACKING SOCKET 3624004500 NR 1

11 TERMINAL AS 3628708400 TERMINAL+WIRE 1

12 SCREW TAPPING 7121400811 T2S PAN 4X8 MFZN 1

13 SOCKET 3620405600 ABS KR-2870 1

14 CASE TERMINAL 3621101700 PC, COVER 2

15 CASE TERMINAL 3621101800 PC, BODY 2

16 SCREW TAPPING 7121401411 T2S PAN 4X14 MFZN 3

17 GASKET 3622300200 SBS 50DEG 1

18 PROTECTOR 3628300700 PVC-S 1

19 FILTER 3621903800 PU FOAM, INH 1

20 FILTER EXHUST 3621903900 POLYESTER + TAPE 1

21 FILTER EXHUST 3621904000 PP FIBER 1

22 CASE FILTER 3621102700 ABS KR-2870 1

23 ABSORBER SOUND 3620108200 FELT T=3.0 1

24 PCB POWER CONTROL AS 3624306700 RC-450 230/50 1

25 FILTER BAG 3621900900 2-LAYER 1

5-2. COVER ASSEMBLY(3621417700)

wq 0 9 7 8

222

COVER ASSEMBLY LIST(3621417700)

NO PART NAME CODE SPEC Q’TY

1 COVER BODY 3621415850 ABS + PAINTING 1

2 PACKING HOLE 3624004600 EVA FOAM 2

3 COVER DUST 3621415950 ABS + PAINTING 1

4 CLAMP DC 3621201950 ABS + CR PLATED 1

5 SPRING 3625105600 HSW3 1

6 HANDLE 3622601250 ABS + PAINTING 1

7 ELBOW 3627100210 GPPS 1

8 RING-O 3624600100 EPDM 1

9 SPRING 3625105700 SUS304,DM(103MM) 1

10 DUST METER 3629700100 ABS 1

11 DUST METER 4560F23030 ABS 1

12 PACKING 3624000410 S-PVC 1

13 PACKING DM (O-RING) 3624004400 NR 1

14 COVER DM 3621416100 ABS KR-2870 1

15 SCREW TAPPING 7121401411 T2S PAN 4X14 MFZN 2

16 BUTTON CR 3626603550 ABS + CR PLATED 1

17 SPRING 3625103400 HSW3 CR BUTTON 1

18 SCREW TAPPING 7121402011 T2S PAN 4X20 MFZN 6

19 COVER MIDDLE 3621416050 ABS + PAINTING 1

5-3. MOTOR ASSEMBLY(3620009500)

19273

456

MOTOR ASSEMBLY LIST(3620009500)

NO PART NAME CODE SPEC Q’TY

1 PACKING MOTOR 3624005200 NR+EPDM 1

2 ABSORBER SOUND 3620105900 PU FOAM T=20 1

3 CASE MOTOR REAR 3621102800 ABS KR-2870 1

4 FILTER 3621904500 POLYESTER + TAPE 1

5 ABSORBER SOUND 3620108300 FELT T=3.0 1

6 ABSORBER SOUND 3620108400 FELT T=3.0 1

7 GUIDE AIR 3622501300 PC LEXAN 500 1

8 MOUNT MOTOR 3620903200 NR 1

9 MOTOR VC 3962511210 230V 1200W DMI(F) 1

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