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M413438

Section 5 Service Procedures

© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT

Figure 34

T032SE1E

FRONT PANEL 

ATTACHING SCREWS

SPEED

NUTS

Summary of Contents for DCB30CE

Page 1: ...www comlaundry com Part No M413438 September 2001 T025C Service Drying Tumblers 30 Pound Capacity 31 5 Wide Refer to Page 5 for Model Numbers...

Page 2: ...ating Element or Burner Repeatedly Cycles Off On High Limit Thermostat 19 15 Heating Element or Burner Does Not Shut off 19 16 Clothes Do Not Dry 19 17 Tumbler Overheating 20 18 Burners Not Burning Pr...

Page 3: ...4 Door Hinge 59 75 Door Handle 59 76 Front Panel 59 77 Door Switch 61 78 Door Switch Rod 62 79 Airflow Switch 63 80 Wire Cover or Wire Channel Cover Plate 64 81 Drive Guard 64 82 Drive Belt 65 83 Driv...

Page 4: ...e IMPORTANT and NOTE are followed by specific instructions IMPORTANT The word IMPORTANT is used to inform the reader of specific procedures where minor machine damage will occur if the procedure is no...

Page 5: ...resulting from improper service Review all service information before beginning repairs Warranty service must be performed by an authorized technician using authorized factory parts If service is req...

Page 6: ...Gas Steam Electric DCB30CG DT30CG DT30CGI DT30EG DT30EGI DTB30CG JCB30CG JT30CG JT30CGI JT30EG JT30EGI JTB30CG SCB30CG ST30CG ST30CGI ST30EG ST30EGI STB30CG DCB30CSH DCB30CSL DT30CSH DT30CSL DTB30CSH...

Page 7: ...y Precautions for Servicing Tumblers Disconnect electrical service Shut off supply gas valve before servicing gas components Control panel and access panel MUST be reinstalled after inspection or serv...

Page 8: ...om whom the machine was purchased or contact Alliance Laundry Systems at 920 748 3950 for the name and address of the nearest authorized parts distributor For technical assistance call 920 748 3121 Se...

Page 9: ...urce burner flame for gas heating element for electric and coil for steam The heated air moves into the cylinder where it is circulated through the laundry by the tumbling action of the cylinder The a...

Page 10: ...M413438 9 Section 2 Introduction Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT T007CE1A Fresh Air Combustion Air Mixed Air Recirculating Air Exhaust Air Energy Saver Models...

Page 11: ...tive Door switch improperly adjusted Refer to Adjustment Section in this manual for door switch adjustment Trunnion shaft assembly binding in trunnion housing bearings Replace trunnion housing bearing...

Page 12: ...r to Installation Manual supplied with tumbler for make up air requirements Lint build up Clean lint accumulation on and around the motor Broken loose or incorrect wiring Refer to wiring diagram locat...

Page 13: ...thermostat Test thermostat and replace if inoperative Electric Models Inoperative heating elements Check heat contactors and elements Replace if necessary Gas Models Insufficient gas supply Open part...

Page 14: ...dels Airflow switch out of adjustment Refer to Adjustment Section in this manual for airflow switch adjustment Gas and Electric Models Inoperative airflow switch Clean lint compartment after every eig...

Page 15: ...ped for type of gas specified on Serial Plate If pilot orifice is different from that specified on Serial Plate obtain and install correct orifice Clogged pilot gas filter Replace reset assembly Clogg...

Page 16: ...pe of gas specified on Serial Plate If tumbler is equipped for gas different from that specified on Serial Plate obtain the necessary components to correct the problem Insufficient gas supply Open par...

Page 17: ...GLOWS AND FLAME SENSOR OPENS BUT NO IGNITION GAS MODELS White Rodgers Glow bar Ignition POSSIBLE CAUSE TO CORRECT Insufficient gas supply Check gas supply and pressure Gas flow but no ignition Remove...

Page 18: ...nstallation Manual supplied with tumbler for exhaust and make up air requirements Inoperative high limit thermostat Test thermostat and replace if inoperative Improper orifices Tumbler is equipped for...

Page 19: ...d compartment should be cleaned after every eight hour shift Lint in tumbler ducts Disassemble tumbler ducts and clean Lint in external exhaust system Disassemble exhaust system and clean High limit t...

Page 20: ...system or make up air Remove obstruction or lint build up from exhaust ductwork Refer to the Installation Manual supplied with tumbler for exhaust system and make up air requirements Inoperative ther...

Page 21: ...LS 21 WATER IN STEAM LINE STEAM MODELS POSSIBLE CAUSE TO CORRECT Valves closed Check all valves in supply and return lines make sure they are open Blocked steam trap Remove trap and clean Replace if i...

Page 22: ...L 3 OF CONTROL RELAY CHECK FOR LINE VOLTAGE TO MOTOR CHECK FOR LINE VOLTAGE ACROSS COIL TERMINALS OF CONTROL RELAY HAS SWITCH ROD MECHANICALLY ACTUATED DOOR SWITCH CHECK FOR LINE VOLTAGE ON TERMINAL B...

Page 23: ...CONTROL RELAY YES YES YES REPLACE CONTROL TRAY NO POWER ON RED WIRE FROM MOTOR POWER INTO AIRFLOW SWITCH POWER OUT OF AIRFLOW SWITCH POWER INTO CABINET HIGH LIMIT THERMOSTAT NO YES YES YES YES REPAIR...

Page 24: ...NITOR POST ARCING TO LEFT BURNER YES SHIFT LEFT BURNER FURTHER TO LEFT CRACKS IN CERAMIC INSULATOR ENCASING IGNITOR PROBE REPLACE PILOT AND ELECTRODE ASSEMBLY CHECK TUMBLER HEAT CIRCUIT CORRECT NO NO...

Page 25: ...MINAL 1 AND GROUND ON ELECTRONIC PACKAGE YES NO GAS PRESENT AT PILOT BURNER Disconnect White Wire from Terminal 3 and Light Manually YES REPLACE ELECTRONIC PACKAGE REMOVE BLACK WIRE FROM TERMINAL 1 MO...

Page 26: ...RMINAL 3 AND GROUND ON ELECTRONIC PACKAGE YES NO REPLACE LEFT COIL Main Operator WIRE BETWEEN SENSOR AND TERMINAL 4 OF ELECTRONIC PACKAGE CONNECTED SECURELY SENSOR SECURELY SEATED IN PILOT BURNER REPL...

Page 27: ...S OF IGNITER BRACKET IS 120 VOLTS PRESENT BETWEEN EACH OF THE PURPLE WIRES OF SENSOR AND GROUND NO YES REPLACE IGNITER NO REPLACE FLAME SENSOR REPLACE SENSOR IS 120 VOLTS PRESENT ACROSS THE TWO WIRES...

Page 28: ...ED AND WHITE WIRES OF IGNITER BRACKET IS 120 VOLTS PRESENT BETWEEN EACH OF THE PURPLE WIRES OF SENSOR AND GROUND NO YES REPLACE IGNITER NO REPLACE SENSOR CHECK WIRES REPLACE SENSOR IS VOLTAGE PRESENT...

Page 29: ...CLOSING DOOR SEE IMPORTANT RESISTANCE OF HIGH VOLTAGE LEAD GREATER THAN 25 0000 OHMS OR LESS THAN 5 000 OHMS NO YES CONNECT GREEN WIRE TO GROUND TERMINAL IGNITER GAP IS NOT 5 32 INCH 397 CM OR CERAMIC...

Page 30: ...against shock this tumbler MUST be electrically grounded in accordance with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA No 70 In Cana...

Page 31: ...o the left or right hand direction are taken from the operator s position facing the front of the tumbler 34 CONTROL PANEL a Unlock and open access panel To hold panel open swing support rod under pan...

Page 32: ...Systems LLC DO NOT COPY or TRANSMIT Figure 3 SUPPORT ROD ACCESS PANEL CONTROL PANEL ATTACHING SCREWS PUSH TO START SWITCH PHILLIPS HEAD SCREW T056se3c CONTROL PANEL BRACKET PUSH TO START SWITCH ASSEMB...

Page 33: ...TO START SWITCH a Remove control panel b Remove two screws holding switch and mounting bracket if applicable to control panel Refer to Figure 3 c Disconnect wires from switch terminals and remove swit...

Page 34: ...ng relay to bracket Refer to Figure 5 c Disconnect wires from relay NOTE Refer to wiring diagram when rewiring relay 38 RESISTOR Some 208 240 Volt Models a Remove control panel b Disconnect resistor l...

Page 35: ...blies if the timer motor fails a Remove control panel b Disconnect motor leads c Remove screws holding timer motor to mounting bracket Refer to Figure 6 NOTE Refer to wiring diagram when rewiring time...

Page 36: ...out from under motor mounting bracket NOTE Refer to wiring diagram when rewiring timer motor 43 COIN METER RUN OR HEAT SWITCH NOTE Run switch is marked A and heat switch is marked B a Remove control p...

Page 37: ...LLC DO NOT COPY or TRANSMIT 44 ACCUMULATOR COIN SLIDE MODELS a Unlock and open access panel Use support rod to hold panel up b Disconnect accumulator wire harness at plug Refer to Figure 10 c Unlock s...

Page 38: ...p b Disconnect accumulator wire harness at plug c Unlock service door on top of meter case d Lift service door Remove door accumulator mounting bracket and wire harness from tumbler e Remove two capsc...

Page 39: ...ack side of tumbler remove screw holding coin slide assembly to bracket on inside of meter case Refer to Figure 12 g Remove coin slide assembly 47 CONTROL THERMOSTAT a Remove control panel b Pull knob...

Page 40: ...removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC D...

Page 41: ...ved during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 48 TRANSFORMER A...

Page 42: ...IMPORTANT When reinstalling gas valve use pipe compound resistant to action of L P gas on all pipe threads f Remove screws holding gas valve and bracket to stove assembly g Remove nipple from left si...

Page 43: ...ms LLC DO NOT COPY or TRANSMIT 51 MAIN OR PILOT OPERATOR Automatic Pilot Ignition Models a Remove control panel b Close gas shut off valve Refer to Figure 17 c Disconnect igniter wire and sensor wire...

Page 44: ...stant Electronic Ignition System IEI REDUNDANT COIL REDUNDANT COIL GAS VALVE BODY GAS VALVE BODY MAIN COIL MAIN COIL T002SE3A White Rodgers Glow Bar GAS VALVE BODY MAGNETIC OPERATORS Automatic Pilot S...

Page 45: ...ipe compound resistant to action of L P gas on all pipe threads e Remove screws holding gas valve and bracket to stove assembly f Remove nipple from left side of valve and plug from right side of valv...

Page 46: ...pe unions d Remove screws holding gas valve and bracket to stove assembly e Remove nipple from left side of valve and plug from right side of valve NOTE Refer to wiring diagram when rewiring gas valve...

Page 47: ...resistant to action of L P gas on all pipe threads NOTE Refer to wiring diagram when rewiring gas valve 58 DIODE LOGIC BOARD White Rodgers Glow Bar Models a Remove control panel b Disconnect wires fro...

Page 48: ...ing the igniter as it is very fragile Handle igniter by grasping the white ceramic portion only Do not handle the silicon carbide portion of the igniter with hands or allow any oil grease or other for...

Page 49: ...o not contact circuit boards with hands or metal objects Place unit in clean dry area away from work area to avoid damage Do not attempt field repair of the ignition control unit Attempted repair or t...

Page 50: ...place complete gas valve a Remove control panel b Close gas shut off valve Refer to Figure 24 c Disconnect wires from main coil terminals d Remove screws holding main coil to gas valve Refer to Figure...

Page 51: ...rminal blocks are located in contactor box at the rear of the tumbler a Remove screw holding cover to contactor box and remove cover b Remove wires from contactor terminals and terminal blocks NOTE Re...

Page 52: ...ut of heater housing Refer to Figure 27 NOTE Each tumbler is equipped with three elements Remove each element individually 69 BURNER HIGH LIMIT THERMOSTAT Gas Models a Remove control panel b Remove sc...

Page 53: ...t the tumbler with any guards panels removed Whenever ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copy...

Page 54: ...nsure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 70 CABINET HIGH LIMIT THERMOSTAT Energy Saver Gas Models a Remove drive guard b...

Page 55: ...and open access door b Remove cover c Disconnect wires from thermostat d Remove two screws holding thermostat to front of heater housing and remove thermostat NOTE Refer to wiring diagram when rewirin...

Page 56: ...icing these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 73 LOADING DOOR ASSEMBLY Refer...

Page 57: ...n place on lower pin when reinstalling loading door d Remove nuts and screws holding hinge to door frame Refer to Figure 33 75 DOOR HANDLE a Open loading door b Remove screws holding door handle to do...

Page 58: ...60 M413438 Section 5 Service Procedures Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Figure 34 T032SE1E FRONT PANEL ATTACHING SCREWS SPEED NUTS...

Page 59: ...never ground wires are removed during servicing these ground wires must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY o...

Page 60: ...or TRANSMIT 78 DOOR SWITCH ROD Refer to Figure 36 a Remove control panel b Unlock open and remove lint panel Set aside to prevent damage c Open loading door support door and remove upper hinge bolt h...

Page 61: ...ght Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 79 AIRFLOW SWITCH a Remove wire way cover plate older models or airflow switch box cover newer models Figure 37 b Disconnect wires from switch...

Page 62: ...IRE CHANNEL COVER PLATE Refer to Figure 37 a Remove single screw holding wire channel cover plate to wire channel older models or remove six screws holding wire cover to rear of tumbler new models b R...

Page 63: ...crews holding guard to rear of tumbler Remove guard b Remove four clips older models or two screws newer models holding belt guard assembly to motor bracket Refer to Figure 39 c Remove belt guard d Re...

Page 64: ...ice Procedures Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT BELT BELT DRIVE Figure 40 T234IE3B POLY V BELT Self adjusting IDLER HOUSING ASSEMBLY DRIVE V BELT GUIDE RAILS IDLER HOUSIN...

Page 65: ...C DO NOT COPY or TRANSMIT BELT CHAIN MODELS Figure 41 CAP SCREW CYLINDER SPROCKET CHAIN IDLER SPROCKET JAM NUT GUIDE RAIL BOLT AND NUT Lower MOTOR BRACKET MOTOR PULLEY BELT IDLER HOUSING ATTACHING BOL...

Page 66: ...Disconnect electrical service to tumbler b Support chain guard and remove screws holding guard to rear of tumbler Remove guard c Remove jam nut and sprocket from bolt d Reinstall chain and chain guar...

Page 67: ...ousing and drive bearings from housing using a hammer and a hardwood dowel l Reinstall shaft and bearings IMPORTANT When installing new bearings apply a film of oil to the bearing cavity surfaces in t...

Page 68: ...f Support drive guard and remove screws holding guard to rear of tumbler Remove guard g Loosen jam nut on idler sprocket locking bolt and move sprocket to the right to relieve chain tension Chain mod...

Page 69: ...ings IMPORTANT When installing new bearings apply a film of oil to the bearing cavity surfaces in the housing and to the outside diameter of the bearings IMPORTANT If a press is not available to insta...

Page 70: ...g screws Refer to Figure 45 h Remove the two capscrews and two sets of nuts and washers holding motor bracket to rear of tumbler cabinet Refer to Figure 45 i Remove cover from motor junction box and d...

Page 71: ...s Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Figure 46 T045SE3A LOWER GUIDE RAIL BOLT MOTOR AND FAN ASSEMBLY Figure 47 T046SE3A FAN LOCKNUT JAM NUT SPACER WASHER FAN HOUSING COVER...

Page 72: ...74 M413438 Section 5 Service Procedures Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT Notes...

Page 73: ...NG LEGS NOTE It is recommended that the front of the tumbler be kept slightly higher than the rear approximately 1 8 inch 3 0 mm This will prevent clothes while tumbling from wearing on the door glass...

Page 74: ...nd gas mixture is indicated if flame pattern is primarily blue with small yellow tips and bends to the right of the heater section Refer to Figure 48 Too little air is indicated if the flame is yellow...

Page 75: ...ust airflow switch as follows a Load tumbler with a cotton load NOTE Airflow adjustment is much faster with one person opening lint panel in front and another adjusting the counterweight in the rear o...

Page 76: ...Systems LLC DO NOT COPY or TRANSMIT Figure 49 SWITCH ADJUSTING SCREWS SCREW AIRFLOW SWITCH REAR PANEL OF TUMBLER SWITCH LEVER VANE LEVER ARM DISC COUNTER WEIGHT SPRING CLIP DISC COUNTER WEIGHT SPRING...

Page 77: ...inder stops when door is opened two inches 51 mm plus or minus 1 4 inch 6 mm The switch is a normally open switch and is closed when door is closed a Close door and start tumbler then slowly open load...

Page 78: ...res must be reconnected to ensure that the tumbler is properly grounded W002 WARNING Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT 97 CYLINDER DOOR STRIKE Refer to Figure 51 Door stri...

Page 79: ...ion loosen ideler housing bolts holding idler assembly to guide rails c Position housing assembly by turning adjusting bolt until proper belt tension is reached then retighten idler housing bolts d Re...

Page 80: ...djustments Copyright Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT BELT DRIVE MODELS Figure 52 T234IE3B POLY V BELT Self adjusting IDLER HOUSING ASSEMBLY DRIVE V BELT GUIDE RAILS IDLER HOUSING...

Page 81: ...NOTE Tumbler is shown with guards removed for ilustration purposes only Never operate the tumbler with the guards removed CYLINDER DRIVE CHAIN CYLINDER SPROCKET SHEAVE IDLER SPROCKET JAM NUT DRIVE SP...

Page 82: ...will rub against the front panel a Open loading door and check gap between center of the front panel top flange and cylinder rim Proper adjustment is when gap is 7 16 inch 11 mm Refer to Figure 54 b R...

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