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3. Improvements of New Models

3-1. DW-160C(170C)

Problems of DW-7510

Improvements of DW-7510

Date

Improvements of DW-160C

1 DRAIN SELECTOR KNOB is hard to

New made CONTROL LEVER

2000. 8. Proper path with short arm and easily

rotate.

rotated.

- Arm length : short

- Arm length : long

- Abnormal path for maximum stroke

- Normal path is enough for valve stroke

FRICTION

LONGER

ARM

Содержание DW-3000 Series

Страница 1: ......

Страница 2: ...ain Pump 2 1 3 Pressure Switch 3 1 4 Safety Device of Motors 3 1 5 Safety Device of Spin Dryer 3 1 6 Gear Housing 5 1 7 Spin Bellows Assembly 5 2 Specification of some key parts 6 2 1 V Belt Pulley Mo...

Страница 3: ...0 s 160 s 170 s 174W s 34 2 3 DWF 750 s 800 s 36 3 Sequence Chart of Electrical Parts 38 All New Models 4 Main Function of PCB 39 All New Models 5 The Principle of Load Sensing 44 6 Trouble Shooting G...

Страница 4: ...Chapter I Twin Tub Washing Machine 1...

Страница 5: ...tact 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 OF...

Страница 6: ...is activated only after about an hour when motor temperature drops to about 85 Note Some products do not offer this option The Spin Dryer is an apparatus which eliminates the water from laundry throug...

Страница 7: ...uts off the Power going into the Spin Motor Brake System When the Door Spin 0 is opened the Plate Control Wire which sites separately atop and Door Spin 0 drop down and loosens the Link Wire and Link...

Страница 8: ...lowing the activation of the Wash Motor takes place through the Motor Pulley and the Agitator Pulley and the secondary deceleration is done by the gears in the Gear Housing which also increases their...

Страница 9: ...1600 50Hz M32 450M700020 31 3618431700 60Hz M31 3616590400 24 3618431600 50Hz 31 3618431700 60Hz 24 3618431600 50Hz 31 3618431700 60Hz 24 3618431600 50Hz 31 3618431700 60Hz 24 3618431600 50Hz 60Hz M24...

Страница 10: ...UL 94 V0 3619905501 100 50 60 220 60 S K40A UL 94 HB 361995401 110 60 S K80NT UL 94 HB 3619910941 220 240 50 S K80NT UL 94 HB 3619910941 S K80NT UL 94 HB 3619910941 220 240 50 S K80NT UL 94 HB 3619910...

Страница 11: ...3619911000 220 240 50 S 800CA UL 94 HB 3619911000 S 800CA UL 94 HB 3619911000 220 240 50 S 800CA UL 94 HB 3619911000 S 800CA UL 94 HB 3619911000 100 50 60 S 800CA UL 94 HB 3619911000 220 60 S 800CA UL...

Страница 12: ...of DW 7510 Date Improvements of DW 160C 1 DRAIN SELECTOR KNOB is hard to New made CONTROL LEVER 2000 8 Proper path with short arm and easily rotate rotated Arm length short Arm length long Abnormal pa...

Страница 13: ...ng points 3 4 2000 8 New designed BRACKET MOTOR B Swing of SPIN TUB No of dampers 4ea No of dampers 3ea No of dampers 3ea Diameter 226 Diameter 220 Diameter 166 Simple RING BASKET 200g BALANCER with s...

Страница 14: ...OLT BOLT M6 bolt and nut M6 M8 DRUM Iron casting Press Bush Unbalance weight of DRUM itself Unbalance weight of DRUM itself BOLT M8 SILOCK bond 4 Shaft deformation by impact and A Increase diameter of...

Страница 15: ...R hinge is separated from Add a LOCK not to be taken out 2000 9 A Add a LOCK not to be taken out the TUB B Increase distance between HINGES 130mm 154mm Disperse the force 7 KNOB crack Change the mater...

Страница 16: ...vements of DW 160C 9 INNER COVER crack Additional ribs and roundings 2001 3 A Additional ribs from the beginning B Increase the diameter of HINGE ROUNDING AT EVERY CORNER ADDITIONAL RIBS ROUNDING AT E...

Страница 17: ...s not No countermeasures Smooth when starting by Rounding edge smooth when starting 11 STOPPER of BRACKET PANEL broken Reinforce the ribs 2001 1 Extend the RIBS to the ends when enforce rotating Conne...

Страница 18: ...W 160C 12 OILLESS BEARING stick to the shaft Change the material Fe Cu 2001 6 Cu BEARING from the beginning Especially in Dominica 13 LEAD WIRES cut by vibration touch Using WIRE CLAMP 2000 9 Using WI...

Страница 19: ...1 We found the surface of the shaft was 1 We made the smoothness of surface as a 01 09 01 between shaft DW 3633 a little rough especially where water seal control point Roughness should be under and o...

Страница 20: ...e on WATER SEAL 01 09 01 the WATER SEAL Weight of grease 0 5g 2 Pulsator pulley DW 2520 1 The center part of P Pulley was little 1 A little reinforced To prevent crack 98 06 19 is worn out DW 3633 wea...

Страница 21: ...by 0 2 mm 00 03 23 rotating shaft wore out the center hole Hole size 9 8 7 8mm Hole size 10 0 8 0mm 3 I have a doubt about limitation of present 3 We re trying to change the shape of on testing struct...

Страница 22: ...is broken 1 Breaking is caused by big impact or investment and cost up force from back side At this moment I want to know the exact 2 It does not happen under normal situation Please let me know the...

Страница 23: ...ke a new mold for TIMER CASE Accurate MAIN SHAFT hole size Problem DOOR S W taken out 2000 07 Reinforce fixing part Increase height of fixing HOOK HOOK height 3 5mm 4 5mm 2ea Ribs added reinforce tens...

Страница 24: ...lem OILLESS BEARING stick to the shaft 2001 08 DW 5010 DW 2520 Solution Change the material Fe Cu White Yellow Dominican Republic only 6 DW 2520 Problem Screw fixing part of PANEL B broken 2000 12 Gap...

Страница 25: ...ails Date Problems and countermeasures Problem VALVE HOUSING crack 2001 07 More cases in winter Cold weather Solution Change the material J700 J640A Homo polymer Co polymer Co polymer has high resista...

Страница 26: ...tator Does the V Belt slip Are there impurities between the Agitator and Tub Note Pull out the power plug to repair and make sure that the Washing Machine has been properly grounded Motor does not sta...

Страница 27: ...tor has been disassembled Worn out the Serration within the Agitator Are there strange noise from Tub when the Agitator rotate Agitator does not rotate smoothly Is the wiring of Wash condenser properl...

Страница 28: ...good Assemble after loosening Wire Guide Screw and adjusting downward Brake Spring is broken Is the Motor hot In case there is Thermal Protector Replace Door Switch or reshape the Lever Reload the cl...

Страница 29: ...ly assembled Waterproofing not working due to defective assembly The Waterseal or the Oill ess Metal in the Bellows Assembly is worn out There is leakage during spin drying The Brake Band touches the...

Страница 30: ...es in the Valve Housing or Inlet Joint Remove impurities or replace Valve Housing or Inlet Joint Impurities are blocking the Drain Hose Is the Wash Timer OFF when the Drain Selector is in the DRAIN po...

Страница 31: ...Chapter II Fully Automatic Washing Machine 28...

Страница 32: ...Power off Carrying Handle Cabinet Automatic Detergent Dispensor Electronic Buzzer Automatic Rinse Dispensor Removable Coin Filter Pump Model Promotional Logo Panel Easily Detachable hose connector Wa...

Страница 33: ...8Hrs Carrying Handle Cabinet Automatic water level control Electronic Buzzer Automatic Power off Removable Coin Filter Automatic Detergent Dispensor Easily Detachable hose connector Automatic Rinse Di...

Страница 34: ...tomatic water level control Dual Hot Cold Water Supply Automatic Power off Carrying Handle Cabinet Automatic Detergent Dispensor Electronic Buzzer Automatic Rinse Dispensor Removable Coin Filter Promo...

Страница 35: ...supply 1 1 min min 7 4 2 30 18 14 10 6 35 3 1 30 20 2 4 2 3 2 35 3 1 30 20 2 4 2 3 2 35 3 1 9 7 5 3 1 30 2 10 sec min min min min min min min sec min min sec sec min min min min min sec min min sec s...

Страница 36: ...min min sec min min min min min min min sec min sec H 63 M 63 L 57 57 H 40 40 60 sec M 36 L 1 min H 24 M 24 L 20 20 Note Water level E L not follows programed course but follows customer s selection...

Страница 37: ...10 6 35 3 1 30 20 2 4 2 3 2 35 3 1 30 20 2 4 2 3 2 35 3 1 9 7 5 3 1 30 2 10 sec min min min min min min min sec min min sec sec min min min min min sec min min sec sec min min min min min sec min min...

Страница 38: ...min H 26 M 26 L 22 22 Note The default water level data of Blanket is High and water re feed action is done after 2 min from starting washing Times of rinse of Economy is possible to change more than...

Страница 39: ...9 6 35 2 30 30 40 1 3 3 2 35 2 30 30 40 1 3 3 2 35 2 30 9 7 5 3 1 30 1 10 sec min min min min min min sec min sec sec sec min min min min sec min sec sec sec min min min min sec min sec min min min mi...

Страница 40: ...min min min min min sec min sec H 30 M 30 L H 24 M 24 L 24 Note The default water level data of Heavy is High and water re feed action is done after 2 min from starting washing Times of rinse of Spee...

Страница 41: ...Generator and Radical Generator works periodically such as 2min ON and 8min OFF 2min ON and 28min OFF In case of Bubble Generator this is adopted to NW 452 model And it work 1 minute at the end of sp...

Страница 42: ...ode in the beginning of Spin process in order to prevent Motor damage and not to cause the serious niose and vibration by rotating of Spin Tub intermittently Details Normal course Normal course Normal...

Страница 43: ...0 400mSEC if PCB check 2 times the washer stop the Spin process and re start water supply and next step If this situation not disappear during 3 cycles then PCB display UE mode with buzzer singing How...

Страница 44: ...od is just to close Lid Water supply This is similar to OE signal The Micom count the time of filling water from reset point to trip point Checking IE If the time is over 1 hour PCB display IE signal...

Страница 45: ...ide some energy saving function by electron power switch in PCB power OFF The PCB off the power of washer immediately after finishing all process properly And in case of only pressing power button and...

Страница 46: ...e of these parts and then if you find some defective parts please replace these one but if you not replace this defective parts you will continously repeat changing Fuse or PCB I describe the standard...

Страница 47: ...ral turns by the INERTIA energy of Pulsator Rotor of Motor Pulley and Shaft of Gear Mechanism 3 But the number of more turns varied depend on amount of the washing in the Tub When the washing in the T...

Страница 48: ...lutch Lever does not return enough c w spinning c c w slip sound Adjust the overlap of Clutch Tip and Clutch Boss to 3 5mm 5mm deform the Clutch Lever There s some slip between Clutch Spring and Drum...

Страница 49: ...Bolt and Nut of the Motor Pulley are loosed or cracked Thighten or change the Bolt and Nut Pulsator Pulsator Touches the Tub I Change the Pulsator for a new one or cut out the touching part of Pulsat...

Страница 50: ...hes the Clutch Boss Adjust the overlap of the two parts to 3 5mm 5mm Deform the Clutch Lever Motor Pulley is cracked Change the Motor Pulley for a new one Bolt and Nut of the Motor Pulley are loosed o...

Страница 51: ...nd press the power button Remove your fingers from the three buttons 10 L Check Washing Capacity This is domestic capacity Display LOAD DATA Display the all LED 8 times by lighting and then power off...

Страница 52: ...e condition of normal operation The pulsator continuously rotate regardless the water level in the tub Drain cold inlet v v hot inlet v v dispensor v v pulsator rotate right pulsator rotate left pump...

Страница 53: ...F 100M s 100C s 1098 s 1094 s 1089 s Remain time Aging Mode for P C B ass y Display Items being checked Pressing button The condition of normal operation Fuzzy course is run repeatedly Spin 3 times Pa...

Страница 54: ...your fingers from the two buttons 8 L Display LOAD DATA During 1 second During 2 second During 7 second The operation condition of the washer can be checked without water in the tub by test mode of t...

Страница 55: ...the PCB function speedily This is PCB checking mode Drain cold inlet v v hot inlet v v pulsator rotate right pulsator rotate left pump load data door check Power auto off The condition of motor The pu...

Страница 56: ...53 DWF 900 s 160 s 170 s 174W s Aging Mode for P C B ass y Display Items being checked Press button The condition of normal operation Fuzzy course is run repeatedly Course 3 times Remain time Page 3...

Страница 57: ...rom the two buttons 5 L Check the washing capacity This is domestic capacity Display LOAD DATA Display all LED 8 times by lighting With Buzzer sound and then power off During 1 second During 2 second...

Страница 58: ...wash L bubble hot inlet v v cold inlet v v drain pump load data door check auto off Drain spin hot inlet v v cold inlet v v wash R bubble wash L door check auto off Process 1time Course 1time Course...

Страница 59: ...56 DWF 750 s 800 s Aging Mode for P C B ass y Display Items being checked Press button The condition of normal operation Fuzzy course is run repeatedly Course 3 times Remain time Page 3...

Страница 60: ...The Introduction of Radical Washing Technology The Introduction of Radical Washing Technology R D Center of Washing Machine Daewoo 57 8 Radical Function...

Страница 61: ...n excrement and disease bacteria infected dish cloth laundry used in a hospital pus of baby s hips dermatitis conjunctivitis food poisoning etc 3 Kind of laundry sterilization Sterilizer Bleach Boilin...

Страница 62: ...xygen sterilizer bleach OxyClean Oxy ltd 3 Friendship with environment Radical of research oxygen hydroxyl Radical OH O O2 OH with Single Electron OxyClean once sterilization additional work Radical e...

Страница 63: ...ilation Trichophyton rubrum Class Bacilli Description Disease Description pus fragrance candida symptons food poisoning dermatitis conjunctivitis Yeast Bacteria Bacillus subtilis Radical Sterilizing P...

Страница 64: ...ation 6 1 15min 60min 15 0 70 0 95 0 95 0 8 2 66 4 63 6 96 4 1 Bubble 2 Radical 1 Bubble Sample 2 Radical GAS Remark Result Ammonia Sulfureted h d Test orgon FITI in Korea Hydrogen R D Center of Washi...

Страница 65: ...h boss Gear mechanism washing spin At the beginning of Drain 2 Brake lever push the Contol bolt and clutch lever Brake lever opens the Braker 3 Clutch lever opens the clutch boss freely In the clutch...

Страница 66: ...ever Tip have to be overlapped in Clutch boss 3 5mm when washing 2 C L Tip have to be seperated to the Clutch boss after Drain valve motor pull the Brake lever 3 Control bolt contacts to the Brake lev...

Страница 67: ...9 3 Concerning Clutch Spring 1 THE STRUCTURE OF GEAR MECHANISM 2 HOW TO CHECK THE CLUTCH SPRING PROBLEM 3 THE PROCESS OF DISASSEMBLE 4 THE PROCESS OF ASSEMBLE 64...

Страница 68: ...GEAR MECHANISM Clutch Lever Clutch Boss Bearing Clutch Tip Clutch spring Coupling Spring Washer Coupling Pulley Pulley Clutch Boss Ass y Drum plate Pulley Shaft Fastening Nut Fastening Nut Spring Wash...

Страница 69: ...REVOLVE AND ONLY THE PULSATOR IS TURNING THAT IS CLUTCH SPRING DEFECT 2 TO CHECK THE SPIN SPEED RPM BETWEEN SPIN TUB AND PULSATOR IF YOU FIND THE DIFFERENT SPIN SPEED BETWEEN SPIN TUB AND PULSATOR THI...

Страница 70: ...r socket 10mm Remove the protector Release screws marked 4 point Remove the v belt Use fixing jig for pulley as to see fig1 and 17mm socket for nut Loosen the fastening nut Take out plain washer if it...

Страница 71: ...Separate coupling from clutch boss ass y Clean the drum plate coupling surface and contact face between drum plate and coupling Cleaning It is necessary to keep cotton piece goods being dry and clean...

Страница 72: ...direction After assembling rotate on Assemble the new clutch the clockwise more 2 3 teeth boss ass y and pull out the pulley shaft upward Assemble the pulley If there was plain washer you have to asse...

Страница 73: ...eck the end play up and downward and check the binding force too much or not on bi direct of rotation Assemble the Belt Assemble the protector Finally check the interferance depth both clutch tip and...

Страница 74: ...electronic AC power mechanical power of Motor rotation Assemble position on the right of rear part of Plate T Attached to the Motor bottom area of Outer Tub 10 Technical Report Old model New Model exa...

Страница 75: ...10 2 Pulley Motor Appearance Performance manufacturing type exactly same Al die casting Press 72...

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