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GE Consumer Service Training

TECHNICAL SERVICE GUIDE

COMMERCIAL DRYERS

PUB # 31-9041 12/99

MODEL SERIES:
DCB330EY (Electric)
DCD330EY

DCB330GY (Gas)
DCD330GY

Commerical Dryer

PERMAMENT PRESS

HIGH HEA

HIGH HEAT WITH

T WITH

COOL DOWN CYCLE

LOW HEA

LOW HEAT

RESUME HEA

RESUME HEAT

Add coins for extra dry time.

If dryer door is opened during

cycle, push PRESS TO ST

ART

button again to resume cycle.

SYNTHETIC KNITS

PRESS TO ST

PRESS TO START

OPERATING

TING

COTTONS

HEAT WASH

Содержание DCB330EY

Страница 1: ...GH HEAT WITH T WITH COOL DOWN CYCLE COOL DOWN CYCLE LOW HEA LOW HEAT RESUME HEA RESUME HEAT 1 2 Add coins for extra dry time Add coins for extra dry time If dryer door is opened during If dryer door is opened during cycle push PRESS TO ST cycle push PRESS TO START button again to resume cycle button again to resume cycle SYNTHETIC KNITS SYNTHETIC KNITS PRESS TO ST PRESS TO START OPERATING TING COT...

Страница 2: ...Lower Drum Seal Drum Removal Drum Shaft and Bearing 2 3 4 5 6 7 8 9 10 10 12 11 11 Dryer Controls Timer Accumulator Door Switch Control Bias Thermostat 12 13 14 15 High Limit Thermal Limit Belt Switch Motor Motor Removal Motor Harness Wiring Wiring Diagrams Troubleshooting Flowcharts Exploded Views Parts List 16 16 17 18 19 21 22 41 ...

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Страница 5: ...cboard cover at the counter opening and moving towards the connector end carefully press into place so that each tab snaps into place Reconnect harness connector and reinstall control panel and four screws To verify correct operation of Countdown Display Board 1 Make sure power is ON to dryer 2 Advance coin box timer one cycle 3 The display should read 88 for two to three seconds then default to t...

Страница 6: ...oins for extra dry time Add coins for extra dry time If dryer door is opened during If dryer door is opened during cycle push PRESS TO ST cycle push PRESS TO START ART button again to resume cycle button again to resume cycle SYNTHETIC KNITS SYNTHETIC KNITS PRESS TO ST PRESS TO START ART OPERA OPERATING TING COTTONS COTTONS HEA HEAT W T WASH ASH 36 27 25 1 2 42 DRYER CABINET DIMENSIONS CABINET DIM...

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Страница 8: ... A018 The vent kit replaces the existing duct inside the dryer to allow a 90 elbow to vent the dryer out the side or bottom The kit consists of a 6 1 2 long 4 diameter metal duct with attached mounted bracket and instructions A 90 elbow is not supplied and must be provided by the installer ...

Страница 9: ...ff remove the two Phillips screws one on each side located on the top inside edge of the front panel Disconnect the two wires from the door switch 2 Phillips screws Starting at the top edge pull the front panel forward 3 guide clips align the front panel to the sides Once the clips are released lift the front panel to remove Guide Clips Air Duct Front Panel Air Duct The front panel air duct is glu...

Страница 10: ...ise the top panel remove the two Phillips screws on the front panel and pull the front panel towards you Remove the old seal assembly and glue the new seal in place using WH60X20 adhesive Reinstall the front and the top panels Drum Glide and Upper Seal Lower Drum Seal The lower drum seal is glued in place around the outer lower edge of the door opening on the front panel To replace the lower seal ...

Страница 11: ...shaft in place while installing the Torx screws from inside the drum Thoroughly lubricate the shaft ball with Lubriplate or a high quality lithium grease Drum Vanes All three dryer drum vanes are replaceable Each vane is attached to the drum by two Phillips screws Drum Bearing The drum bearing mounts to the inside rear of the dryer cabinet by means of a sheet metal bracket secured by two 5 16 scre...

Страница 12: ...otor receives 115 volts continuously for the number of minutes selected for the cycle The timer accumulator assembly consist of a mounting bracket timing motor snap switch timing cam drive timing cams coil spring pawl torsion spring rachet asm amd coil spring index lever The timing motor is 115V 60HZ and runs at 1 180 R P M It is shipped from the factory with a 45 minute cycle time This can be cha...

Страница 13: ...t to the medium temperature setting This small amount of heat causes the thermostat to open sooner to maintain a lower drum temperature THERMOSTAT TERMINALS BIAS HEATER TERMINALS NOTE The control thermostats are not interchangeable between an electric and a gas dryer The resistance of the bias heater is 28K ohms on the electric dryer and 7K ohms on the gas dryer To diagnose the timer accumulator u...

Страница 14: ...un or an excessive number of turns in the vent High Limit Safety Thermostat The high limit safety thermostat is a single pole single throw switch wired in series with the control thermostat It is mounted towards the top of the heater pan shield at the rear of the drum If the control thermostat should fail closed or an air blockage occurs raising the temperature in the heater pan the high limit the...

Страница 15: ...you will be able to read some voltage at the ignitor whenever the dryer is operating The flame sensor switch mounts on the side of the burner duct and is single pole single throw switch When the ignitor reaches approximately 1800 the flame sensor switch detects this high radiant heat and opens This energizes the secondary solenoid gas valve coil allowing gas to flow through the gas valve Gas flowi...

Страница 16: ...h You should read continuity If the motor runs and there is no heat activate the switch and check between M1 and M2 You should read continuity Motor Removal To replace the motor disconnect power remove the top and front panels belt and dryer drum Remove the fan cover by carefully removing the aluminum FAN COVER tape two Phillips screws and the six clips holding the cover in place Note the retainin...

Страница 17: ... flat bade screwdriver as shown below Pry the lock away from the housing far enough to clear the retaining tab and lift the lock out of the channel Motor remove for clarity in illustrations Once the lock is removed the motor can be pulled from the blower housing FAN HOUSING LOCK RETAINING TAB MOTOR AND HARNESS WIRING ...

Страница 18: ...17 Ω Ω ...

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Страница 20: ...mal limiter and correct failure fault Check motor centrifugal switch reading between contacts 4 5 Or Using a properly grounded test cord connected to terminals 4 5 does the motor run Adequate voltage to dryer Gas Dryer Service fuse breaker outlet problem N Y Replace door switch Start switch contacts closing Timer contacts B C closed Y Belt switch contacts closed Y Check motor centrifugal switch re...

Страница 21: ...acts on high limit thermostat closed Y Replace timer Replace selector switch Replace control thermostat N Heater resistance OK Y Correct voltage at dryer terminal block Y Replace hi limit thermostat N N N N Replace heater Replace motor Continuity between contacts 1 2 on centrifugal switch Manually move the switch to run position to check these contacts Open wiring between components Locate and rep...

Страница 22: ...the control thermostat closed Contacts on the high limit thermostat closed Y Y Y Replace control thermostat Replace selector switch N N Replace high limit thermostat N Y Replace ignitor Replace flame sensor Replace gas valve assembly Replace gas valve assembly N N N N Fix supply problem Gas supply OK to dryer N Y Continuity between contact 1 and 2 on the centrifugal switch Manuall move the switch ...

Страница 23: ...22 For complete Illustrated Parts Catalog information consult your GE Parts Catalog or Microfiche These examples are for illustration purposes only ...

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