Daewoo DW-1050 User manual

Service Manual

Model:DW-1050

Washing Machine

S/M No.:DWM161011

Sep. 2001

DW-1051

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ASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASHER AUTO WASH

WASHING MACHINE

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1. SPECIFICATIONS..................................................................................................... 2

2. EXTERNAL VIEW..................................................................................................... 3

3. PRINCIPLES OF OPERATION AND EXPLANATION OF FUNCTIONS................ 4

4. DIRECTION FOR DISASSEMBLY AND ASSEMBLY..............................................8

5. TROUBLESHOOTING GUIDE.................................................................................11

6. EXPLODED VIEW AND PARTS LIST.....................................................................16

7. WIRING DIAGRAM ..................................................................................................23

NO. ITEM SPECIFICATIONS

1 POWER VOLTAGE

SOURCE FREQUENCY 60Hz 50Hz

2 POWER PUMP 580W 550W

CONSUMPTION

NON PUMP 530W 500W

3 DIMENSION NET : 884X542X1020, PACKED UP : 898X558X1035 (WXDXH)

4 MACHINE PUMP NET : 35kg, PACKED UP : 37kg

WEIGHT NON PUMP NET : 34kg, PACKED UP : 36kg

5 WASHING COURSE STRONG, NORMAL

6 WATER LEVEL HIGH:80

, MEDIUM:70

, LOW:60

7 REVOLUTION WASH 100 rpm 100 rpm

PER MINUTE SPIN 1700 rpm 1400 rpm

8 TIMER WASH MAX. 15 min., Manual operation

SPIN MAX. 5 min., Manual operation

9 WASHER TYPE PULSATOR TYPE

10 SPIN TYPE CENTRIFUGALLY SEPARATED TYPE

MAXIMUM MASS

WASH 8.0 kg (DWM-160C) 10.0 kg (DWM-170C)

OF TEXTILE SPIN 7.0 kg

12 WATER SUPPLY MANUAL

13 SPIN RINSE O

14 OUTLET OF DRAIN HOSE REAR

15 LINT FILTER O

POWER SOURCE SUFFIX EXPLANATION

NON PUMP PUMP

AC 100V 50/60Hz J -

AC 110V 60Hz T TP

AC220V 50Hz N NP

AC 220V 60Hz L LP

AC 240V 50Hz M MP

AC 110/220V 50Hz D -

AC 127/220V 60Hz S -

1. SPECIFICATIONS

NOTE : Explanation table for suffix of names.

AC 110V AC 220V AC 127/220V AC 110/220V AC 220V AC 240V

Model Name Pump

DWM-XXXX N P

Power Source

2. EXTERNAL VIEW

Structure Of The Washing Machine

Control Panel (Panel b Ass’y)

11LEVER WATER SUPPLY SELECTOR

Left : water supply in the WASH TUB.

Right : water supply in the BASKET SPIN.

22INLET WATER

Connect inlet hose to supply water in the WASH

TUB or BASKET SPIN.

33WASH TIMER

Use to select the desired time for washing or rins-

ing.

44WASH ACTION

Use to select wash action. (“STRONG”, “NORMAL”)

55VALVE SELECTOR

Select “WASH, RINSE” for washing and rinsing, and

“DRAIN” to drain the water.

(In case PUMP MODEL turn on the drain pump)

“OFF” to turn off the drain pump. (Only PUMP

MODEL)

66SPIN TIMER

Used to select the desired time for spinning.

FUNCTION

The main switch remains ON during the washing time set by turning the timer knob.

At the same time, the internal switch T1 and T2 which provide power to WASH MOTOR alternately at assigned Intervals.

Select switch knob sets the wash type by means of controlling the interval of internal switch contact.

STRUCTURE AND PRINCIPLE OF ACTIVATION

3. PRINCIPLES OF OPERATION AND EXPLANATION OF FUNCTIONS

Wash Timer

CIRCUIT DIAGRAM

FUNCTION

The spin timer is the switch providing power to the SPIN MOTOR(DRAIN PUMP MOTOR) during the set spin dry

time, and is a spring-type time switch comes on turning and those contact points comes off after the set time.

STRUCTURE AND PRINCIPLE OF ACTIVATION

1) The main shaft turns due to the unwinding force when the spin timer is turned, the spring wound with that force

being delivered through each gear and the spring slowly unwinding at a speed finally controlled by the angle

assembly.

2) The contact point Turns ON and the assembly angle is set in motion which is in the CAM groove in the OFF

state, comes off the groove when the main shaft is turned to wind the spring. The contact point turns OFF,

return to CAM groove when the spring unwind completely.

SAFETY DEVICE FOR BASKET SPIN

The BASKET SPIN is an apparatus which eliminates the water from the laundry through centrifugal separation

generated by rapid revolution(approximately 1,700rpm for 60Hz). Accordingly, there are a DOOR SWITCH to cut

off the power going into the DOOR SPIN is opened and a brake system to stop the rotating BASKET SPIN.

DOOR SWITCH

When the DOOR SPIN is opened during spinning, the DOOR

SWITCH LEVER which sites atopt the DOOR SPIN falls off the

contact, and cuts off the power going into the SPIN MOTOR.

Spin Timer

BRAKE SYSTEM

When the DOOR SPIN is opened, LINK BRAKE which con-

nect to DOOR SPIN loosens. And then the BRAKE BAND

touches the DRUM COUPLING assembly and stops the BAS-

KET SPIN as it is pulled by the SPRING in the BRAKE FIX

PLATE assembly.

BRAKE BAND GAP CONTROL METHOD

The BAND BRAKE works best when the gap between it and

the DRUM COUPLING is about 2mm when the DOOR SPIN

is closed. The BASKET SPIN stops slowly if the gap between

the two is too narrow, the BASKET SPIN revolution is affected

and the PLATE CONTROL WIRE may be adjusted to main-

tain the BRAKE BAND gap adequately.

WASH DECELERATOR ASSEMBLY

The initial deceleration following the activation of the WASH MOTOR takes place through the PULLEY MOTOR

and PULLEY PULSATOR, and the secondary deceleration is done by the gear in the GEAR HOUSING which also

increases their revolution strength. This revolution speed and strength is delivered to the PULSATOR, which is

then able to cause water current that is strong yet soft so that wash loads are not damaged.

LINK BRAKE

BASKET SPIN

LINK WIRE

BRAKE WIRE

(INNER WIRE)

MOTOR WASH

About 1,700rpm(60Hz)

1,400rpm(50Hz)

DWM-160C

PULLEY PULSATOR

About 330rpm(60Hz)

330rpm(50Hz)

DWM-170C

PULLEY PULSATOR

About 600rpm(60Hz)

600rpm(50Hz)

PULSATOR

About 100rpm(60Hz)

100rpm(50Hz) DWM-160C

GEAR HOUSING ASS’Y

The GRAR HOUSING ASSEMBLY is a transmission device which turns the PULSATOR at 3.3:1 (DWM-160C) or

6:1 (DWM-170C) lowered speed through the gear unit assembly which receives power at the GEAR SHAFT UNIT.

1) The two sides of the GEAR SHAFT UNIT are supported by the

OILLESS BEARING in the GEAR HOUSING ASSEMBLY.

2) The GEAR UNIT ASSEMBLY is connected to the GEAR

SHAFT 1 and GEAR SHAFT UNIT by the GEAR and GEAR

UNIT respectively.

3) The two sides of GEAR SHAFT 1 are supported by the OIL

SEAL and OILLESS BEARING in the GEAR HOUSING

ASSEMBLY.

BELLOWS ASS’Y

The wrinkled rubber device on the botton of the BASKET SPIN is

called BELLOWS ASSEMBLY.

It has a waterseal and a oilless metal inside to prevent leakage and so that the BASKET SPIN may work smoothly.

Much lint may be obtained depending upon the kind of clothes to

be washed and same of the lint may also be suck to the clothes.

To minimize this possibility, a lint filter is provide on the upper part

of the FILTER OVERFLOW to filter the wash water.

Use of the lint filter during every wash is recommend.

CLEANING THE LINT FILTER

1) Remove the FILTER AS from the FILTER OVERFLOW by

pressing it downwards.

2) Turn the FILTER AS inside out, and wash the lint off with water.

3) Return the FILTER AS it was, and fix the FILTER AS to the FILTER OVERFLOW.

STRUCTURE (DWM-160C)

STRUCTURE (DWM-170C)

Filter

DWM-170C

4. DIRECTION FOR DISASSEMBLY AND ASSEMBLY

1. Remove 3 screws on the PANEL B.

3. Remove 3 screws and CONTROL LEVER

2. Remove KNOB, wash timer and spin timer on the

PANEL B.

Ass’y Panel Back

4. Remove 4 screws on the COVER BACK. 5. Separate LINK BRAKE and ASSEMBLY BRAKE

WIRE.

Basket Spin

9. Remove 1 screw on the CABINET. 10. Separate HARNESS AS connectors.

6. Remove 1 bolt and nut on the upper side of the

DRUM COUPLING AS.

8. Lift up the BASKET SPIN.

7. Remove the PLATE T on the TUB.

Ass’y Base Under

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