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Service Manual
Auto Washer
Model : DWF-750/752/800/802
753/755/803/805
756/758/806/808
4 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).
DAEWOO ELECTRONICS CO., LTD.
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1. SPECIFICATIONS NO. ITEM DWF-750/753/756 DWF-752/755/758 DWF-800/803/806 DWF-802/805/808 1 POWER SOURCE AVAILABLE IN ALL LOCAL AC VOLTAGE POWER 50Hz 320W 2 CONSUMPTION 60Hz 300W(110~127V) / 340W(220V) 28kg/28.5kg(pump) 28.5kg/29kg(pump) MACHINE NET 3 31.5kg/32kg(pump) 32kg/32.5kg(pump) WEIGHT GROSS 525X858X535 525X948X535 525X858X535 525X948X535 4 DIMENSION (WXHXD) 5 MATERIAL OF INTERNAL TUB PLASTIC STAINLESS STEEL 6 WATER LEVEL SELECTOR HIGH(55l), MID(45l), LOW(
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UP 2. STRUCTURE OF THE WASHING MACHINE The parts and features of your washer are illustrated on this page. Become familiar with all parts and features before using your washer. NOTE • The drawing in this book may vary from your washer model. They are designed to show the different fea- tures of all models covered by this book, Your model may not include all features. • Page references are included next to same features. Refer to those pages for more information about the features. • HOT WATER TA
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3. FUNCTIONS OF THE CONTROL PANEL Control panel has micom sensor. As the buttons are pressed, the lamps indicating the selection of your desired washing program will light up. 1. DWF-750/752/800/802 HOURS RES. CONTROL PROGRAM 2. DWF-753/755/803/805 • Press this switch to turn the power on or off. • It can be used to choose water temperature to be supplied. • As the button is pressed, water temperature will be repeated. COLD fi COLD+HOT fi HOT • In case of the single valve model, there is no wash
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3. DWF-756/758/806/808 • Press this switch to turn the power on or off. • It can be used to choose water temperature to be supplied. • As the button is pressed, water temperature will be repeated. COLD fi COLD+HOT fi HOT • In case of the single valve model, there is no wash temperature selector function. • It can be used to adjust amount of water according to the size of the load to be washed. • As the button is pressed, water level is selected by MID fi HIGH fi LOW • It can be used to cancel the fu
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4. DIRECTIONS FOR INSTALLATION AND USE §§ Location Of Washer Check location where washer will be installed. Make sure you have everything necessary for correct installation. Proper installation is your responsibility. • Do not place or store your washer below 0˚C(32˚F) to avoid any damage from freezing. • Install the washer on the horizontal sold foor. C If the washer is installed on an unsuitable floor, it could make consider- able noise, vibrate and cause a malfunction. If washer is not leve
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§ § How to Connect the Inlet Hose Be careful not to mistake in supplying between the hot(maximum : 50˚C) and cold water. In using only one water tap or in case of attached one water inlet valve, connect the inlet hose to the cold water inlet valve. Do not over tighten : this could cause damage to couplings. FOR ORDINARY TAP Pull down the collar Loosen the four Connect the water tap 1 of the inlet hose to 2screws at the water 3adapter to the water tap and separate it from the tap adapter, but d
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§§ How To Clean The Filter CLEANING THE LINT FILTER Pull the Filter frame Turn the lint filter Return the filter as it was, and 1 upward. 2inside out, wash the 3insert the filter frame into the lint off with water. slot. Lint Filter Filter Frame CLEANING THE WATER INLET FILTER • Clean the filter when water leaks from the water inlet. Pull the Turn off the Pull the Remove the dirt 1power plug 2 water supply 3 inlet filter out. 4 from the inlet filter out before to the washer with a brush. clea
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5. FEATURE AND TECHNICAL EXPLANATION Feature of the Washing Machine 1 The first air bubble washing system in the world. 2 Quiet washing through the innovational low-noise design. 3 The wash effectiveness is much more enhanced because of the air bubble washing system. 4 The laundry detergent dissolves well in water because of the air bubble washing system. 5 The adoption of the water currents to adjust the unbalanced load. 6 One-touch operation system. Water Current to Adjust the Unbalanced Load
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Automatic Drainning time Adjustment This system adjusts the draining time automatically according to the draining condition. Good draining The washer begins spin process after drainage. Draining Bad draining Draininig time is prolonged. condition No draining Program is stopped and gives the alarm. FUNCTIONAL PRINCIPLE 1 The micom can remember the time from the begining of drain to reset point when the pressure switch reaches to “OFF” point Drain Time Movement of the Program Less than Continue dr
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Softener Dispenser This is the device to dispense the softener automatically by centrifugal force. This is installed inside the auto-balancer. FUNCTIONAL PRINCIPLE 1 Softener stays in room (A) when poured into softener inlet. 2 Softener moves from (A) to (B) by centrifugal force during intermittent spin process. 3 Softener flows from (B) to (C) during rinse process next to intermittent spin. 4 Softener moves from (C) to (D) by centrigfugal force during second intermittent spin. After spin proces
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Automatic Unbalance Adjustment This system is to prevent abnormal vibration during intermittent spin and spin process. FUNCTIONAL PRINCIPLE 1 When the lid is closed, the safety switch contact is “ON” position. 2 In case that wash loads get uneven during spin, the outer tub hits the safety switch due to the serious vibration, and the spin process is interrupted. 3 In case that P.C.B. ASS’Y gets “OFF” signal from the safety switch, spin process are stopped and rinse process is started automaticall
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Lint Filter Much lint may be obtained according to the kind of clothes to be washed and some of the lint may also sticks to the clothes. Filter Filter To minimize this possibility a lint filter is provided on the upper part of the tub to filter the wash water as it Bleach Inlet Bleach Inlet is discharged from the water channel. It is good to use the lint filter during washing. Pulsator Pulsator HOW TO REPLACE LINT FILTER 1 Pull the filter frame upward. 2 Turn the lint filter inside out, and wash
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Gear Mechanism Ass’y The proper water currents is made by the rotation of pulsator at a low speed to prevent the damage to the small sized clothes. Pulsator shaft Spin shaft One way clutch bearing Gear unit as Sun gear Planetary gear Internal gear Clutch spring Brake lever Clutch boss Gear pulley Motor Pulsator 1490 r.p.m (50Hz) Gear unit as 1 revolution Motor Pulsator Gear Unit as 138 r.p.m Gear Pulley 5 revolutions 720 r.p.m Tub Gear pulley Directly 720 r.p.m V-belt Principle of Bubble Genera
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PRINCIPLE OF INTAKE & OUTLET OF THE AIR INTAKE : ARMATURE moves up, and BELLOWS inhales the air. At the same time, protector B is open and A is close. OUTLET : ARMATURE moves down, and BELLOWS exhausts the air. At the same time, protector B is close and A is opend. FUNCTIONAL PRINCIPLE OF TRANS & MAGNET ¡ The phase of A.C electric power changes to 60 cycle/second. ¡ The magnetic pole of trans core is changed by the change of the phase of A.C electric power. ¡ The core repeats push and pull (3600
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6. DIRECTIONS FOR DISASSEMBLY AND ADJUSTMENT Warning BEFORE ATTEMPTING TO SERVICE OR ADJUST ANY PART OF THE WASHING MACHINE, DISCON- NECT THE POWER CORD FROM THE ELECTRIC OUTLET. Gear Mechanism Ass’y Replacement ¡ Raise the top plate on the outer cabinet. ¡ Loosen the pulsator mounting screw and remove ¡ Remove outer tub cover from the tub ass’y. the pulsator. ¡ Remove the spinner shaft flange nut by using ‘T’ ¡ Remove the tub ass’y. type box wrench. NOTES To assemble the gear mechanism ass’y, r
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¡ Lay the front of the washer on the floor. ¡ Remove four bolts mounting the gear mechanism ¡ Remove four bolts mounting the plate-gear protect by ass’y by using a box wrench. using a box wrench and remove plate-gear protect. ¡ Remove the V-belt. ¡ Pull out the gear mechanism assy. 17 DIRECTIONS
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Motor Synchronous And Valve Replacement(Non Pump Model) ¡ Lay the front of the floor. ¡ Take out the wire of motor synchonous from the ¡ Loosen two special screw and motor synchronous. bracket. ¡ Separate the motor sycnchronous from the base. ¡ Turn the valve by using screw driver as shown in ¡ Remove the valve lid from the valve drain assy. picture. Brake Adjustment ¡ Loosen the adjustment bolt and turn the adjust- NOTES: ment bolt until the end of the bolt touches to the 1. The brake adjustmen
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7. THE REPAIR METHOD OF GEAR MECHANISM FOR CLUTCH SPRING PROBLEM The Structure Of Gear Mechanism Clutch Lever Bearing Clutch Boss Clutch Tip Clutch spring Coupling Pulley Spring Washer Fastening Nut Pulley Shaft Clutch Boss Ass’y Pulley Shaft Fastening Nut Coupling Spring Washer Drum plate Pulley ¡¡ ¡ ¡ TOOL FOR REPLACING THE CLUTCH BOSS ASSEMBLE Tool name Specification Q’ty Fixing jig 1 Ratchet handle 1 Socket and extension bar socket : 10mm, 17mm per each Some cotton yarn some 19 THE REPAI
