Related Manuals for GE DISR473TWW
Summary of Contents for GE DISR473TWW
- Page 1 GE Appliances Service Training ________________________________________________________ TECHNICIAN SERVICE MANUAL Dryer MODEL: DISR473TWW CIWE1001E FEBRUARY 2000...
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Page 2: Important Safety Notice
CAUTION ! DISCONNECT POWER CORD BEFORE SERVICING THIS APPLIANCE! RECONNECT ALL GROUNDING DEVICES IMPORTANT SAFETY NOTICE ! This service information is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair this major appliance may result in personal injury and property damage. - Page 3 THE MANUAL COVERS THE FOLLOWING MODELS MODEL# COUNTRY DISR473TWW AUSTRALIA BANGLADESH CHINA HONG KONG INDIA INDONESIA JAPAN KOREA MALAYSIA PAKISTAN PHILIPPINES SINGAPORE TAIHITI TAIWAN THAILAND VIETNAM...
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Page 4: Specifications
I. SPECIFICATION ITEMS SPECIFICATIONS Colour WW, AA Dimensions (Inches) (W x H x D) 27 x 42 x 28¼ Total # of Cycles Electrical 240 VAC, 50 Hz, 20 amps Timed Dry (Min) Capacity (kg) Heat Selection Page 4... -
Page 5: Theory Of Operation
II. THEORY OF OPERATION How a Dryer Works Axial Air Flow All dryers, whether gas or electric, operate Air is pulled into the cabinet from the rear, and according to the same principle – they remove drawn up across the heaters located behind the moisture from damp clothes by bringing the drum. - Page 6 II. THEORY OF OPERATION Axial Air-Flow Dryers Page 6...
- Page 7 II. THEORY OF OPERATION Air Flow Diagram Page 7...
- Page 8 III. GROUNDING EQUIPMENT IF THE DRYER IS SUPPLIED WITH A FLEXIBLE POWER CORD Plug the cordset into its own separate grounded out. Do Not, UNDER ANY CIRCUMSTANCES, CUT OR REMOVE THE GROUND PRONG FROM THE POWER CORD. Page 8...
- Page 9 IV. DRYER CONSTRUCTION AND SERVICE Control Panel : Provide access to timer & switches. Service : Remote four #15 Torx screws from top. Switches & timer are tab interlock. The timer is not technical serviceable. Cabinet : 4 x Parts - Side painted panels with knowckouts for side exhaust - Shape galvanized steel chassis : Back - Base –...
- Page 10 IV. DRYER CONSTRUCTION AND SERVICE Drum : 7 x Parts Belt One-piece drum (front – Wrapper – Rear) 3 baffles Diffuser Shaft Bearing Service : Drum Removal – Remove belt from idler pulley Release idler arm (belt tension system) Lift up the drum or through port at right Reach under the drum behind the motor Pull idler arm at the pulley end down Hook the idler end on the motor mount bracket...
- Page 11 V. ELECTRIC CLOTHES DRYER CONTROLS (SCHEMATIC) Page 11...
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Page 12: Machine Function
VI. MACHINE FUNCTION Drive System The drum is rotated counterclockwise, as 7.1.2 Belt Alignment Check viewed, from the front, at a speed of 47-50 RPM. Belt tension is maintained by a idler pulley and Remove the rear cabinet access driven by a pulley attached to the rear motor panel. - Page 13 VI. MACHINE FUNCTION Timer Cycles 7.2.2 Automatic Cycle 7.2.1 Timed Cycle When automatic drying is selected, the timer dial is set in the automatic zone. The When TIMED drying is selected, the fabric type or temperature is set on the drying time in minutes is set on the timer selector switch.
- Page 14 VII. THERMOSTAT DATA THERMOSTAT TEMPERATURE ° F TEMPERATURE ° C OPEN CLOSE OPEN CLOSE HIGH DRUM OUTLET 135 ± 5 120 ± 5 57 ± 3 49 ± 3 LOW DRUM OUTLET 125 ± 5 115 ± 5 52 ± 3 46 ±...
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Page 15: Circuit Diagram
VIII. CIRCUIT DIAGRAM Page 15... - Page 16 XI. NEW MODIFIED SCHEMATIC Page 16...
- Page 17 X. NEW RELOCATION OF BIASED OUTLET THERMOSTATS THERMOSTAT TEMPERATURE ° F TEMPERATURE ° C OPEN CLOSE OPEN CLOSE DRUM OUTLET 135 ± 5 125 ± 5 57 ± 3 52 ± 3 BIASED CONTROL 210 ± 5 180 ± 5 99 ±...
- Page 18 XI. GENERAL TROUBLESHOOTING GUIDE THIS IS GENERAL TROUBLESHOOTING AID AND MAY NOT COVER ALL SYSTEMS ON A PARTICULAR MODEL * See Schematic for Proper Switch Connections 1. Heater coils resistance is shown on wiring schematic (on reverse side of this sheet). Check for infinite resistance between any heater terminal and dryer cabinet.
- Page 19 XII. SYMPTOM CHECK CHART SYMPTOM CHECK Motor does not operate Fuse open in power supply lines. Start switch (backsplash) defective. Door switch inoperative. Timer contacts (B-C) inoperative. Overload protector in motor inoperative. Open circuit in harness. Motor defective. Motor start switch defective. Belt switch Drum does not rotate Broken, loose, or worn belt.
- Page 20 XII. SYMPTOM CHECK CHART SYMPTOM CHECK Clothes damp at end of cycle Dial setting for type of load incorrect. Lint trap clogged. External ducting clogged. For very small loads, add two or three bath towels as buffers, or set a longer time selection on dial. Heat switch setting incorrect (Timed-dry models) 4000 ohm load-compensating resistor inoperative (Auto cycle dryers)
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Page 21: Parts List And Exploded View
XIII. PARTS LIST AND EXPLODED VIEW Page 21... - Page 22 XIII. PARTS LIST AND EXPLODED VIEW Cabinet Parts Item Part Number Description WE20M286 Top, Cover (white) (W) Not used WE2M160 Screw WE20M260 Panel, side (white) WH2M388 Screw WE2M154 Screw WE4M127 Thermostat WE20M262 Cabinet, base WE1M368 Screw, levelling WE1M378 Bracket & levelling screw – front WE1M379 Bracket &...
- Page 23 XIII. PARTS LIST AND EXPLODED VIEW Page 23...
- Page 24 XIII. PARTS LIST AND EXPLODED VIEW Blower & Drive Item Part Number Description WE17M25 Motor & pulley (export 240V / 50 Hz) WE14M54 Elbow, exhaust WE2M154 Screw WE4M156 Thermostat – ‘Poly’ WE14M78 Housing, blower WE1X688 Clamp & screw WE2M98 Screw WE16X30 Blower, wheel WH2M342...
- Page 25 XIII. PARTS LIST AND EXPLODED VIEW Page 25...
- Page 26 XIII. PARTS LIST AND EXPLODED VIEW Drum & Heater Item Part Number Description WE1X627 Strap, ground Not used WE1M300 Retainer, bearing WE11M22 Housing & heater asm. WE4M137 Thermostat, safety WE1M280 Screw WE2X263 Screw WE3M15 Bearing WE2X195 Washer WE3X39 Shaft & bracket, drum WE14M77 Deflector, heat WE2M163...
- Page 27 XIII. PARTS LIST AND EXPLODED VIEW Page 27...
- Page 28 XIII. PARTS LIST AND EXPLODED VIEW Control Housing Group Item Part Number Description WE19M940 End cap – L.H. WE19M1025 Switch trim WH2X1206 Screw (white) WE4X881 Switch, start WE4M219 Switch, temp WE4M177 Switch, X care WH12X1005 Buzzer WE4M214 Resistor (2 x 4000 OHMS) WE4M186 Resistor (4500 OHMS) WE4M213...
- Page 29 XIII. PARTS LIST AND EXPLODED VIEW Page 29...
- Page 30 XIII. PARTS LIST AND EXPLODED VIEW Cabinet Front & Door Item Part Number Description WE20M254 Front Cabinet (white) WE2X263 Screw WE9M13 Gasket WE2M153 Screw WE1M394 Hinge WE10M92 Paenl, inner door (white) WE1M381 Handle (white) WE10M96 Panel, door (white) WE4M126 Switch, door WE1X762 Clip, ground WE18M19...
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Page 31: Recommended Spare Parts Inventory
XVI. RECOMMENDED SPARE PARTS INVENTORY QUANTITIES LISTED ARE RECOMMENDED BY THE MANUFACTURER BASED ON XXX UNITS PURCHASED AND SERVICED OVER A ONE YEAR PERIOD. ACTUAL USAGE MAY VARY DUE TO LOCAL CUSTOMER HABITS, ENVIRONMENT AND A STABLE POWER SUPPLY. Part Number Description WE11M21 Heater &... - Page 32 XVI. RECOMMENDED SPARE PARTS INVENTORY QUANTITIES LISTED ARE RECOMMENDED BY THE MANUFACTURER BASED ON XXX UNITS PURCHASED AND SERVICED OVER A ONE YEAR PERIOD. ACTUAL USAGE MAY VARY DUE TO LOCAL CUSTOMER HABITS, ENVIRONMENT AND A STABLE POWER SUPPLY. Part Number Description WE4M137 Thermostat Hi Limit...