Service Manual GAS CONVECTION OVEN
Contents
1. CONTROL PANEL OVEN REAR VIEW LIGHTS OPTION 8 BK 24 BK 5 BK POWER No SWITCH T J 8 BK COOK 2 D LIGHT z THERMOSTAT 6W BUZZER ey Wire numbers 15 4 24BK connect for 24K F 2 single speed motor 6 2 2 BK gt gt 2 SWITCH gt gt 4 4 2 gt 4 4 5 BK gt gt 5 9 BK AL V 6 W gt gt 9 BK LIGHT D gt gt SWITCH OPTION 8 BK 8 BK gt 9 BK gt gt 9 BK 10 BK gt gt 10 11 gt gt 11 PLUG RECEPTACLE 30 SERIES OVEN CONTROLLER CONT D ay Service Manual for 6 13 and E Series Gas Convection Ovens YELLOWBLACK a A GRAY YELLOW BLACK BROWN A 12 BK WHITE YELLOW GRAY YELLOW o BROWN 2 ORANGE N A MOTOR 2 X 2 SPEED OPTION STANDARD 115V SINGLE SPEED2. 7 X MIMS sep ecco 7 OVEN READY Wight 7 WIC hranie e 7 Interior With eco 7 6 13 GAS CONTROLASSEMBLY amp Component E 8 POWER S Wite Doreste 8 XX 5 5 145 8 OVEN READY 8 2 Fan SWC R 8 SWU ee inann 8 5 9 E 9 9 Z Contro NeT 9 OVEN READY LAGI 9 Lights Wt CMs ces
3. ee 14 Roler es 14 S WICH 14 Handle asic S 14 Turnbuckle Assembly used on two door 6 13 series ovens 1 0 2 22 0 14 GAS VALVE 15 OS 15 GAS SOLENOID derrieira e aE 15 GAS VALVE 16 FLAME SWITCH 16 SPARK MODUL E 17 BURNER ASSEMBLY AND 17 SERVICE 19 MAINTENANCE INSTRUCTION 19 19 6 13 Series Turnbuckle 0 00000000000100000000000000000000 19 Door 20 DOOR SWITCH CHECK E E 20 20 Check Cala brat
4. 20 the Thermostat A 21 OVEN THERMOSTAT PILOT PIN 21 Reason FOF 21 Kit Iris tall ata On 21 MOTOR CIRCUIT CHECK oiccen ssnst ao E 22 GAS PRESSURE REGULATION AND ADJUSTMENT 2 14 0000440000 000000000000004 23 CHECKING AND ADJUSTING ELECTRODE 24 24 TROUBLESHOOTING cia 25 WIRING DIAGRAMS a 26 Service Manual for 6 13 and Series Gas Convection Ovens GENERAL INTRODUCTION Illustrations used in the manual may show any model unless the information is specific to a particular model All procedures are applicable to all models unless specifically indicated INSTALLATION For detailed installation instructions refer to the Installation and Operation Manual OPERATION For specific operating instructions refer to the Installation and Operation Manual SPECIFICATIONS CLEANING For specific cleaning instructions refer to th
5. E 9 6 13 ZX GAS CONTROLLER 55 9 Component ACCESS 9 POW Te Pic 10 10 OVEN READY 10 Interior Lights S Witch 10 Service Manual for 6 13 and Series Gas Convection Ovens SERIES AND 6 13 CONTROLLER 55 10 Component ACCeSs Procedures 11 11 Thermostat 11 1 11 OVEN READY SWE 11 Interior Lights 11 tenes 12 MOTOR 12 OVEN DOORS 13 13 DASASSEMDIY 14 Gasket Replacement
6. 6 13 CONTROLLER CONTROL PANEL REAR VIEW RTD PROBE 24 BK Nu 11 1 18 BK gt yg OL 7 LIGHTS OPTION 8 BK M9 E5 d E3 J w J 00 H Heh 32 BK E E10 k 10 Bka 3 BK E7 U J FAN RELAY 24BK 7 8 ABK 6W 31 BK gt 2 BK gt gt 2 Me gt 3 BK gt gt 4 gt gt 5 BK gt gt 6 W _9BK gt gt 8 9 7 8 BK gt gt gt 10 BK gt gt 10 BK 11 BK gt gt 11 BK 15 PIN CONNECTOR es Service Manual for 6 13 and E Series Gas Convection Ovens 6 13 X CONTROLLER CONT D YELLOW BLACK GRAY cK WHITE YELLOW oe YELLOWIBLACK BROWN ORANGE
7. MAINTENANCE INSTRUCTIONS These service procedures are for the use of qualified service personnel only Service by other than qualified personnel may result in damage to the oven and or injury to the operator Qualified service personnel are those individuals firms companies or corporations which either in person or through an agent are engaged in and responsible for repair or servicing of commercial food preparation equipment who are experienced in such work familiar with all precautions required and have complied with all requirements of state and local authorities having jurisdiction If you should require assistance in the selection of a qualified service agency please contact Duke Manufacturing Co s Service Department at 800 735 3853 ext 5 DOOR ADJUSTMENT 6 13 Series Turnbuckle Adjustment CAUTION The door Turnbuckles and door Switch located a heated zone 4 Care should be taken to avoid burns All 6 13 Series Convection Ovens except model option Q have doors that are interconnected so they operate simultaneously by means ofa Drive Chain and Turnbuckle Aassembly The doors are properly adjusted and inspected before the oven leaves the factory However from time to time it may become necessary to readjust the doors after usage If you find it necessary to adjust the doors for proper operation the Drive Chain and Turnbuckle Assembly is located behind the Top Finish Piece above the door
8. 10 TK 2 ome w ue J1 7 lt 5 e J1 Cabinet Harness optional 1 controller harness connect Q Q 5 E 2 8 Bu a PILOT IGNITOR SINGLE SPEED BLOWER MOTOR 4 connect 1 YEL ee 1 WHT YEL PUR WIRES 5 fe ORN 3GRY 3 5 2 Re amp 3 lt SWITCH I 2 BLOWER MOTOR Bottom 8 JUNCTION BOX E Over Dort SPLICES 2 5 BLOWER MOTOR gt 4 RED 5 ver U MOTORI WIRES YEL BLK IGNITION MODULE over 1 i AEN i i LINE CORD 32 Service Manual for 6 13 and E Series Gas Convection Ovens Your Solutions Partner Duke Manufacturing Co 2305 N Broadway St Louis MO 63102 Phone 314 231 1130 Toll Free 1 800 735 3853 Fax 314 231 5074 www dukemfg com 33
9. Light 555 Rack OVEN LIGHTS Oven lights are located on the right side of the oven The light bulbs are replaced from inside the oven The light sockets are replaced by removing the Right Side Panel WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE 1 Open oven door 2 Remove shelves and right side rack to access light bulbs 12 Light Fan Back Shelf Rack Panel 2 2 LULU Uv AP D1009 Remove four screws securing Light Access Panel over light bulbs andremove the LightAccess Panel Remove the faulty light bulb Reverse procedure to install a new light bulb Light Access Panel Bulbs Screws Light Service Manual for 6 13 and E Series Gas Convection Ovens OVEN DOORS The Oven Doors on all ovens are constructed similarly Only the 6 13 oven has a Turnbuckle Assembly that causes both the left and the right doors to open together DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE Removal 1 Open Oven Door s 2 Remove Top Finish Piece 3 Loosen set screw on top hinge rod nut plate 4 Lift door off the door bearings 5 Reverse procedure to install Oven Door Door Top Finish Pi
10. Gas SHUTOFF Valve in OFF position Open Gas SHUTOFF Valve Spark Module not igniting pilot Check and replace Spark Module Faulty Gas Valve Replace Gas Valve Faulty Flame Switch Oven does not heat to selected temperature level Faulty Delay Timer Replace Flame Switch Replace Delay Timer Low incoming gas pressure Check incoming gas pressure and adjust as necessary Faulty RTD Probe on ovens using the X Z or ZX Controllers FAN Switch does not change blower speed Faulty Thermostat on ovens using the V Controller Replace RTD Probe Replace Thermostat Defective Fan Switch Replace Fan Switch Oven temperature continues to rise above selected temperature Defective Motor Light s do not operate Defective Thermostat or Digital Cook Time Control Blown light bulb s Replace Motor Replace Thermostat or Digital Cook Time Control as applicable Replace defective Light Bulb Defective light socket Replace light socket Defective LIGHTS Switch Replace LIGHTS Switch 25 Service Manual for 6 13 and Series Gas Convection Ovens POWER SWITCH COOK LIGHT DIGITAL COOK TIME CONTROL FAN SWITCH OPTION WIRING DIAGRAMS Wire numbers 4 and 31 BK connect for single speed motor LIGHT SWITCH OPTION 26 72
11. Remove flame switch thermocouple from elec trode D1017 6 Slide Burner Assembly with attached Electrode out from under the cooking cavity 7 Remove screw securing Electrode to Burner Assembly and remove Electrode 8 Reverseprocedure to install anew BurnerAssembly and Electrode NOTE Use Anti Seize Technologies TFE1400 on all pipe and fitting threads when reassembling the Burner Assembly Screw Electrode Air Shutters Service Manual for 6 13 and E Series Gas Convection Ovens CAUTION When reconnecting any gas connection use pipe joint compound WARNING ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS CHECK WITH A SOAP AND WATER SOLUTION BUBBLES DO NOT USE AN OPEN FLAME 9 Connect oven to power source 10 Turn main gas line on 11 Turn oven on and check for proper operation 18 Service Manual for 6 13 and E Series Gas Convection Ovens SERVICE PROCEDURES WARNING CERTAIN PROCEDURES THIS SECTION REQUIRE ELECTRICAL TESTS OR MEASUREMENTS WHILE POWER IS APPLIED TO THE MACHINE EXERCISE EXTREME CAUTION AT ALL TIMES IF TEST POINTS ARE NOT EASILY ACCESSIBLE DISCONNECT POWER AND FOLLOW LOCKOUT TAGOUT PROCEDURES ATTACH TEST EQUIPMENT AND REAPPLY POWER TO TEST WARNING ALL GAS JOINTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS CHECK WITH A SOAP AND WATER SOLUTION BUBBLES DO NOT USE AN OPEN FLAME
12. threads when installing or replacing a Gas Valve 16 3 Removescrews securing Flame Switch to compartment bracket and remove Flame Switch 4 Remove flame switch thermocouple from spark electrode assembly 5 Reverse procedure to install a new Flame Switch SPARK MODULE The Spark Module is located on a bracket behind the Control Panel behind the Flame Switch AN WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE 1 Perform Component Access procedure 2 Label and disconnect wires from Spark Module 3 Remove screws securing Spark Module to compartment bracket and remove Spark Module 4 Verify proper grounding of Spark Module 5 Reverse procedure to install a new Spark Module 6 Check oven operation BURNER ASSEMBLY AND ELECTRODE The Burner Assembly is located under the center of the cooking cavity and can be accessed by removing the Lower Finish Piece The Electrode is attached to a bracket on the Burner Assembly WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE SHUT OFF THE GAS BEFORE SERVICING THE UNIT 1 Perform Component Access procedure Service Manual for 6 13 and E Series Gas Convection Ovens 2 Remove the three screws securing the Burner Assembly to the bottom of the cooking cavity 3 Disconnect two Burner Assembly gas lines at the Burner Assembly 4 Disconnect pilot gas line 5
13. A 2 SPEED OPTION 115 120V 4 SINGLE SPEED MOTOR J x SPARK MODULE 9 6 6 ELECTRODE is 6W m FLAME 2 SWITCH PILOT Gas DELAY 6w MAIN TIMER Le __ 14 10 0 LINE SOLENOID A VALVE 4BK 4BK 5 BK 5 BK 6W 7 6W D 115V POWER CORD 7G G WIRE COLOR K h l CODE EK 2 JUNCTION BOX BLACK __ RED 11 BK GREEN DOOR WHITE SWITCH 27 Service Manual for 6 13 and E Series Gas Convection Ovens 6 13 Z AND ZX CONTROLLER OVEN CONTROL PANEL LIGHTS REAR VIEW OPTION 8 BK 24BK 5BK 5 N 11 9 BK 2 WITCH 111 RTD PROBE 18 BK 6 1 amp COOK LIGHT A i 250V 2 3 BK N DIGITAL E6 E7 es 2BK D g COOK TIME gt 28 2 1 10 1 C J 9BK J al 4 lic kol E16 E17 raan A 2 gt gt 3BK gt gt 4BK gt gt 5 BK gt gt SRK 6W gt gt 6W 9BK LIGHT
14. DAMAGE INJURY OR DEATH WARNING DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE WARNING DO NOT OPERATE THIS EQUIPMENT WITHOUT PROPERLY PLACING AND SECURING ALL COVER AND ACCESS PANELS CAUTION Observe the following e Provide and maintain adequate minimum clearances from all walls and combustible materials e Provide and maintain adequate clearance for air openings e Keep the equipment area free and clear of combustible material e Operate equipment only on the type of electricity indicated on the specification plate e Retain this manual for future reference io Service Manual for 6 13 and Series Gas Convection Ovens TABLE OF CONTENTS GENERAT nein 5 INTRODUCTION E E 5 INSTALLATION 5 5 5 TOOLSS SPECIFICATIONS cases 5 COMPONENT REMOVAL AND 6 ELECTRICAL LOCKOUT TAGOUT 6 RIGHT SIDE 6 6 13 X CONTROLLER 5 7 Component 85 7 POWER SW Hi
15. Loosen set screw and remove knob from POWER Switch 3 Disconnect wires from POWER Switch 4 Removenut securing POWER Switch and remove POWER Switch 5 Reverse procedure to install new POWER Switch Thermostat The Thermostat is located on the V Controller and the Thermostat Probe is located in the upper right of oven The Thermostat Probe provides temperature information back to the Thermostat The capillary tube from the Thermostat to the Thermostat Probe is covered with a fiberglass sleeve NOTE Whenremoving the Thermostat be careful not to bend the capillary tube at a sharp angle to prevent kinking Bracket Thermostat 1 Perform Component Access procedure Service Manual for 6 13 and E Series Gas Convection Ovens 2 Open oven door and carefully remove Thermostat Probe from bracket at upper right side of the oven 3 Pull Thermostat Probe through the oven sidewall 4 Remove Thermostatknob from front of V Controller assembly 5 Disconnect wires from back of Thermostat 6 Remove nut securing the Thermostat to front of V Controller assembly 7 Pull Thermostat off rear of Controller assembly 8 Reverse procedure to install a new Thermostat Be sure fiberglass insulation is on capillary tube to Thermostat Probe 1 Hour Timer 1 Perform Component Access procedure 2 Loosen set screw and remove Hour Timer knob 3 Remove nut securing 1 Hour Timer and remove 1 Hour Timer 4 Reverse proce
16. Manual for 6 13 and E Series Gas Convection Ovens Z Controller 1 Perform Component Access procedure 2 Disconnect wires from Z Controller 3 Remove two knobs from front of Control Panel 4 Remove four nuts securing Z Controller to Control Panel 5 Remove Z Controller from rear of Control Panel 6 Reverse procedure to install new Z Controller OVEN READY Light 1 Perform Component Access procedure 2 Disconnect wires to OVEN READY light 3 Remove OVEN READY light from front of Control Panel 4 Reverse procedure to install anew OVEN READY light Interior Lights Switch 1 Perform Component Access procedure Disconnect wires from Lights Switch Remove Lights Switch from front of Control Panel 5 Reverse procedure to install new Lights Switch 6 13 ZX GAS CONTROLLER ASSEMBLY WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE Component Access 1 Loosen set screw on GAS SHUTOFF knob 2 Remove screw at top center of ZX Controller Assembly and swing Control Panel down to allow access to Control Panel components Service Manual for 6 13 and Series Gas Convection Ovens 2 Disconnect wires to OVEN READY light Control Temperature Sowar 3 RemoveOVEN READY light from front of Control Lexan Panel Knob 4 Reverse procedure to installanew OVEN READY light Interior Lights Switch 1 Perform Component Acce
17. care not to rotate the Thermostat stem which will change the setting 2 With a very small screwdriver turn the screw A located in the bottom of the hollow of the stem clockwise to lower the temperature or counterclockwise to raise the temperature DO NOT allow the stem of the Thermostat to rotate as you turn the screw CAUTION Maximum turn of screw A is 1 1 2 turns clockwise or counterclockwise 3 Open the door and turn the POWER Switch to the COOL DOWN position This will allow the Fan to come on without the Burners and cool off the oven Allow the oven to cool to about 250 F 120 C 4 Return the POWER Switch to the COOK position and repeat the previous steps until the Thermostat setting and the pyrometer thermometer reading agree 5 Replace the Knob and tighten the set screws This Thermostatisa direct acting opens on temperature rise device Service Manual for 6 13 and E Series Gas Convection Ovens OVEN THERMOSTAT PILOT PIN KIT These instructions apply only to ovens with V style controllers These are units with the electro mechanical controller assembly Reason for Kit The Thermostat shaftis hollow allowing access to adjust the thermostat Because the shaft is hollow the knob loosens This kit adds a pilot pin to the hollow section of the shaft preventing it from collapsing WARNING BEFORE PERFORMING ANY SERVICE THAT INVOLVES GAS CONNECTION OR DISCO
18. gt gt 5 SWITCH 8 8 BK gt gt 9BK gt gt FK 10 gt gt 10 gt K PLUG RECEPTACLE 15 PIN CONNECTOR 28 R Service Manual for 6 13 and E Series Gas Convection Ovens 6 13 Z AND ZX CONTROLLER CONT D GRAY YELLOW BLACK WHITE YELLOW ol 7 A MOTOR 2 2 SPEED SS 5 SPARK MODULE 6W ELECTRODE 6W N o T FLAME 7 SWITCH 16 BK GAS VALVE DELAY 6W MAIN TIMER 6W HI FIRE 14 1040 LINE 2 SOLENOID _ _ VALVE 3BK 4 15 BK OPTION 4 4 5 5 BK 6W 7G GW 4 5 115V POWER CORD 76 WIRE COLOR 9 BK Co CODE 70 BK JUNCTION BOX BK BLACK 10 RD RED GREEN DOOR W WHITE SWITCH 29 Service Manual for 6 13 and Series Gas Convection Ovens oe E SERIES OVEN V CONTROLLER
19. ECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE 1 Open the Oven Doors fully 2 Remove the Lower Finish Piece by loosening the four screws located inside the Oven Door opening 3 Disconnect wire from the door Switch and connect an ohmmeter across door switch contacts 4 Check that with Oven Door open there is no continuity 5 Close door until a click is heard and check Switch contacts for continuity Ohmmeter should indicate 0 Ohms THERMOSTAT CALIBRATION NOTE Thermostat calibration is applicable only for the V Controller It is not applicable to ovens with solid state controls Check Calibration 1 Turn the oven on by turning the POWER Switch to the COOK position 2 Open Oven Doors and place a pyrometer in the center of the middle oven rack Areliable mercury type thermometer can be substituted ifa pyrometer is not available 3 Turn the Thermostat dial to 350 F 177 C Allow the oven to preheat 1 2 hour When the indicator light goes out the Thermostathas been satisfied Check the pyrometer or thermometer to determine the internal oven temperature If the reading on the pyrometer or thermometer is less than 10 F different from the Thermostat setting no adjustment is needed If this reading is more than 10 F different proceed with calibration procedure Calibrate Thermostat 1 Remove Thermostat Knob by loosening the set screw and pull the Knob forward Take
20. ED FOR LEAKS CHECK WITH A SOAP AND WATER SOLUTION BUBBLES DO NOT Tine CAUTION When reconnecting any gas connection use pipe joint compound USE AN OPEN FLAME SHUT OFF THE GAS BEFORE 8 Connect oven to power source SERVICING THE UNIT 9 Turn main gas line on 10 Turn oven on and check for proper operation GAS SOLENOID The gas solenoid is located behind the control panel and attached to the Control Compartment bottom WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE Removal 1 Turn Gas Valve on front control panel to the OFF position 2 Perform Component Access procedure 3 Verify that incoming gas line has been turned off 4 Disconnect incoming gas line from back of Gas Shutoff Valve 5 Remove shaft from front of Gas Shutoff Valve 6 Unscrew Gas Shutoff Valve from top of Gas Valve and remove Gas Shutoff Valve 7 Reverse procedure to install Gas Shutoff Valve 1 Perform Component Access procedure Service Manual for 6 13 and Series Gas Convection Ovens CAUTION When reconnecting any gas 2 Disconnect wires from Gas Solenoid connection use pipe joint compound 3 Gas Solenoids will require the entire gas manifold being removed as necessary to replace either the single or dual solenoids WARNING 4 Reverse procedure to install new Gas Solenoid ALL GAS JO
21. INTS DISTURBED DURING SERVICING MUST BE CHECKED FOR LEAKS CHECK WITH A SOAP AND GAS VALVE WATER SOLUTION BUBBLES DO NOT The Gas Valve is located behind the Control Panel and USE AN OPEN FLAME attached to the compartment bottom 11 Connect oven to power source WARNING 12 Turn main gas line on 13 Turn oven on and check for proper operation DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE FLAME SWITCH The Flame Switch is located on a bracket behind the Control Panel in front the Spark Module WARNING SHUT OFF THE GAS BEFORE WARNING SERVICING THE UNIT DISCONNECT OVEN FROM POWER 1 Turn Gas Valve on front Control Panel to the OFF SOURCE BEFORE PERFORMING ANY position SERVICE Perform Component Access procedure Verify that incoming gas line has been turned off Disconnectincoming gas line from Gas Shutoff Valve Remove shaft from front of Gas Shutoff Valve Label and disconnect wires from Gas Valve Disconnect gas lines to pilot and burners Removescrewsattaching Gas Valveto compartment Nn YM 9 Remove Gas Valve with Shutoff Valve attached Switch NOTE If only Gas Valve is to be replaced remove Shutoff Valve from Gas Valve 10 Reverse procedure to install a Gas Valve 1 Perform Component Access procedure NOTE Use Anti Seize Technologies TFE1400 all pipe 2 Label and disconnect wires from Flame Switch
22. MOTOR 2 SPARK MODULE 6W 6W oH 2 ELECTRODE S a 17G FLAME 16 BK SWITCH N 6 16 BK 8 ILOT 5 2 GAS VAIVE DELAY TIMER 6W FIRE 14 LOAD LINE 2 BK SOLENOID x Jor A 4 4 5 BK 5 BK 6W 7 5 115V POWER CORD G WIRE COLOR CODE 9 BK BLACK 10 BK JUNCTION BOX RED 11 BK GREEN WHITE DOOR SWITCH 31 Service Manual for 6 13 and E Series Gas Convection Ovens ELECTRICAL SCHEMATIC GAS CONVECTION OVEN 153619 Controller POWER SWITCH RTD 713 i 10 BLK 8 3 BLK 24 2 lt TS 24 BLK 32 BLK COOK LT WHT Controller HT BLK 3 BLK LVLSOWYSHL POWER SWITCH Buzzen eat N gt 2 FAN SWITCH COPTIONAL 2 BLK a 24 BLK gt 9 BLK 9 BLK 5 7 GRN jo jn
23. NNECTION AND OR EXPOSURE TO GAS ALWAYS FOLLOW THE GAS LOCKOUT TAGOUT PROCEDURE FAILURE TO COMPLY CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH WARNING BEFORE PERFORMING ANY SERVICE THAT INVOLVES ELECTRICAL CONNECTION OR DISCONNECTION AND OR EXPOSURE TO ELECTRICAL COMPONENTS ALWAYS FOLLOW THE ELECTRICAL LOCKOUT TAGOUT PROCEDURE DISCONNECT ALL CIRCUITS FAILURE TO COMPLY CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH kit Installation 1 Ensure the Thermostat is calibrated properly To calibrate Thermostat refer to the THERMOSTAT CALIBRATION section of this manual 2 Place the oven s Power ON OFF switch in the OFF position 21 Service Manual for 6 13 and Series Gas Convection Ovens 3 Place Gas Shut Off Valve in the OFF position 4 Remove the Thermostat Knob Power Switch Thermostat 1 Cook Timer Control Panel Interior Light Switch 5 Insert Pilot Pin into the hollow of the Thermostat Shaft The wide end of the pin should be flush against the end of the Thermostat Shaft 22 NOTE It is not necessary to remove the Thermostat to perform this procedure Reattach the Thermostat Knob Move the Gas Valve to its ON position Move the Oven ON OFF switch to its on position Ensure the oven is operating correctly and the Thermostat is calibrated accurately The oven should be prehea
24. Service Manual Your Solutions Partner GAS CONVECTION OVEN MODELS 6 13 THE OVEN E SERIES Please read this manual completely before attempting to install operate or service this equipment This document is prepared for trained Duke service technicians It is not to be used by anyone not properly qualified to perform these procedures This Service Manual is not all encompassing If you have not been trained on servicing this product be sure to read the manual completely before attempting servicing Be sure all necessary tools test equipment and skills are available Those procedures for which you do not have the proper skills and test equipment must be performed only by a qualified Duke trained service technician This manual is Copyright 2011 Duke Manufacturing Co All rights reserved Reproduction without written permission is prohibited Duke is a registered trademark of the Duke Manufacturing Co Duke Manufacturing Co 2305 N Broadway St Louis MO 63102 Phone 314 231 1130 Toll Free 1 800 735 3853 Fax 314 231 5074 www dukemfg com P N 153648B Service Manual for 6 13 and E Series Gas Convection Ovens IMPORTANT WARNING AND SAFETY INFORMATION WARNING READ THIS MANUAL THOROUGHLY BEFORE OPERATING INSTALLING OR PERFORMING MAINTENANCE ON THE EQUIPMENT WARNING FAILURE TO FOLLOW INSTRUCTIONS IN THIS MANUAL CAN CAUSE PROPERTY
25. T REMOVAL AND REPLACEMENT 3 Pull the Control Panel forward and lay aside Do not remove any wiring 4 Remove the Lower Finish Piece Combustion Compartment Cover by removing the screws located in the bottom of the door opening 5 Find the pressure tap located at the lower right hand corner of the oven on the right hand side of a plumbing Tee The pressure tap is a 1 8 pipe plug with a hex head 6 Remove the pressure tap plug and replace with the fitting for a gas pressure meter slack tube or manometer 7 Attach the meter 8 The pressure regulator is an integral part of the dual solenoid gas valve Locate the adjustment screw on the left hand side It has a slotted aluminum cover cap 9 Remove the cover cap 10 Open the Gas Shutoff Valve 11 Turn the POWER Switch to the COOK position Service Manual for 6 13 and E Series Gas Convection Ovens 12 Withthe burners on check your meter The manifold pressure should be 3 5 W C for natural gas and 10 W C for propane 13 Check the rating plate to verify gas types and pressures NOTE It is important to check the gas pressure of any unit while ALL the equipment on that gas line is ON This will tell you if you have a properly sized gas delivery system or if there is a problem with gas volume If you experience a pressure drop that does not recover when the other equipment is turned on you should look for problems in the size of the pipes or some other
26. dure to install new 1 Hour Timer OVEN READY Light 1 Perform Component Access procedure 2 Disconnect wires to OVEN READY light 3 Remove OVEN READY light from front of Control Panel 4 Reverse procedure to installanew OVEN READY light Fan Switch 1 Perform Component Access procedure Disconnect wires from Fan Switch Remove Fan Switch from front of panel Reverse procedure to install a new Switch Interior Lights Switch 1 Perform Component Access procedure Disconnect wires from Lights Switch Remove Lights Switch from front of Control Panel 5 Reverse procedure to install a new Lights Switch 11 Service Manual for 6 13 Series Gas Convection Ovens Buzzer 5 Atrear of oven label and disconnect motor wires at Motor Junction Box 1 Perform Component Access procedure 6 Remove four nuts securing Motor to Mounting Plate and remove Motor 2 Disconnect wires from Buzzer 3 Remove screw securing Buzzer to back of Control Panel and remove Buzzer 4 Reverse procedure to install a new Buzzer MOTOR DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE 1 Open oven doors 2 Remove shelves 3 Remove two side racks 4 Remove four screws attaching Back Plate and remove Back Plate to access Blower Fan 5 Loosen set screws on blower wheel and remove from motor shaft 7 Reverse procedure to install Motor
27. e Installation and Operation Manual TOOLS Standard e Standard set of hand tools e VOM with A C current tester Any quality VOM with a sensitivity of at least 20 000 ohms per volt can be used e Pyrometer e Manometer 6 13 GAS CONVECTION OVEN AND E GAS CONVECTION OVEN HEATING VALUE NATURAL GAS PROPANE GAS 1000 BTU 373 MJ m 2550 BTU 95 0 MJ m SPECIFIC GRAVITY 0 63 0 63 1 53 1 53 GAS PRESSURE MANIFOLD 3 5 W C 0 87 kPa 10 W C 2 49 kPa OVEN INPUT STANDARD DEPTH PER BURNER 20 000 BTU HR 5 9 kW HR 20 000 BTU HR 5 9 kW HR PER OVEN 40 000 BTU HR 11 8 kW HR 40 000 BTU HR 11 8 kW HR OVEN INPUT DEEP DEPTH PER BURNER 23 000 BTU HR 6 8 kW HR 23 000 BTU HR 6 8 kW HR PER OVEN 46 000 BTU HR 13 5 kW HR 46 000 BTU HR 13 5 kW HR BURNER ORIFICE SIZE STANDARD DEPTH 44 2 18 mm 55 1 32 mm DEEP DEPTH 43 2 26 mm 54 1 40 mm Service Manual for 6 13 and Series Gas Convection Ovens COMPONENT REMOVAL AND REPLACEMENT ELECTRICAL LOCKOUT TAGOUT PROCEDURE BEFORE PERFORMING ANY SERVICE AND OR EXPOSURE TO ELECTRICAL THE ELECTRICAL LOCKOUT TAGOUT 5 WARNING THAT INVOLVES ELECTRICAL CONNECTION OR DISCONNECTION COMPONENTS ALWAYS FOLLOW PROCEDURE DISCONNECT ALL CIRCUITS FAILURE TO COMPLY CAN CAUSE PROPERTY DAMAGE INJURY OR DEATH The Electrical LOCKOUT TAGOUT Procedure is used to protect personnel working onan electrical a
28. ece Top Gasket Sc Door Bearing Door Side Gasket Door Catch Latch Roller Assembly Left Hinged Door w Glass Door Bottom Gasket Door Micro Switch Door Actuator Switch Lower Finish Piece Service Manual for 6 13 and Series Gas Convection Ovens Disassembly The Oven Door can be disassembled as necessary to replace the Handle Door Glass Bearings Roller Latch and Door Catch On the 6 13 dual door ovens a Turnbuckle Assembly can also be replaced Gasket Replacement The Gaskets are not attached to the door These Gaskets are attached to the oven frame The four Gaskets can be individually replaced 1 Open Oven Door NOTE There are four separate Gaskets for the top bottom and two sides Each Gasket is replaced independently 2 Remove the screws securing the Gasket that is to be replaced 3 Install new Gasket onto oven frame and secure in place with screws 4 Close Oven Door and check that Gasket is properly sealing the door Roller Latch 1 Open Oven Door 2 Remove door handle screws securing Roller Latch to top and bottom of Oven Door then remove Door Handle 3 Lift Roller Latch out of Oven Door 4 Reverse procedure to install Roller Latch Door Switch AN WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE 1 Remove the Lower Finish Piece to access Door Switch 2 Label and disconnect wires from Door S
29. form Component Access procedure Disconnect wires from Fan Switch Remove Fan Switch from front of Control Panel gt 49 Reverse procedure to install a new Fan Switch Interior Lights Switch 1 Perform Component Access procedure Disconnect wires from Lights Switch Remove Lights Switch from front of Control Panel Reverse procedure to install new Lights Switch Service Manual for 6 13 and Series Gas Convection Ovens 6 13 XX GAS CONTROL ASSEMBLY WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE Component Access 1 Loosen set screw on GAS SHUTOFF knob 2 Remove screw at top center of XX Gas Control Assembly and swing Control Panel down to allow access to Control Panel components Temperature Power Control Probe Panel Controller Control Panel Gas Interior Light Mylar Switch POWER Switch 1 Perform Component Access procedure 2 Loosen set screw and remove knob from POWER Switch 3 Disconnect wires from POWER Switch 4 Remove nut securing POWER Switch and remove POWER Switch from rear of Control Panel 5 Reverse procedure to install new POWER Switch XX Controller 1 Perform Component Access Procedure 2 Disconnect wires from XX Controller 3 Remove two knobs from front of Control Panel 4 Remove four nuts securing XX Controller to Control Panel 5 Remove XX Controller from rear
30. of Control Panel 6 Reverse procedure to install new XX Controller OVEN READY Light 1 Perform Component Access procedure 2 Disconnect wires to OVEN READY light 3 Remove OVEN READY light from front of Control Panel 4 Reverse procedure to installanew OVEN READY light 2 Speed Fan Switch 1 Perform Component Access procedure Disconnect wires from Fan Switch Remove Fan Switch from front of Control Panel Reverse procedure to install new Fan Switch Interior Lights Switch 1 Perform Component Access procedure Disconnect wires from Lights Switch Remove Lights Switch from front of Control Panel GS Reverse procedure to install a new Lights Switch 6 13 2 CONTROLLER ASSEMBLY WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE Component Access 1 Loosen set screw on GAS SHUTOFF knob 2 Remove screw at top center of X Controller Assembly and slide Control Panel forward to allow access to Control Panel components Power Control Temperature Panel Prob Switch 5 8 8 4 Controller Gas Shutoff Knob as Interior Light Switch POWER Switch 1 Perform Component Access procedure 2 Loosen set screw and remove knob from POWER Switch 3 Disconnect wires from POWER Switch 4 Remove nut securing POWER Switch 5 Reverse procedure to install new POWER Switch Service
31. om and remove it 6 13 X CONTROLLER ASSEMBLY WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE Component Access 1 Loosen set screw remove GAS SHUTOFF knob 2 Remove screw at top center of X Controller assembly and swing Control Panel down to allow access to Control Panel components Control Temperature Panel Mylar Knob Controller 2 Speed Fan Switch N Shutoff Mee Control Interior Light Switch POWER Switch 1 Perform Component Access procedure 2 Loosen set screw and remove knob from oven POWER Switch 3 Disconnect and tag wires from POWER Switch Service Manual for 6 13 and E Series Gas Convection Ovens 4 Remove nut securing POWER switch and remove POWER switch 5 Reverse procedure to install new POWER switch X Controller 1 Perform Component Access procedure 2 Disconnect and tag wires from X Controller 3 Remove two knobs from front of Control Panel 4 Remove four nuts securing X Controller to Control panel 5 Remove X Controller from rear of Control Panel 6 Reverse procedure to install a new X Controller OVEN READY Light 1 Perform Component Access procedure 2 Disconnect wires to OVEN READY light 3 RemoveOVEN READY light from front of Control Panel 4 Reverse procedure to installanew OVEN READY light 2 Speed Fan Switch 1 Per
32. ppliance Before performing any maintenance or service that requires exposure to electrical components follow these steps 1 In electrical box place appliance circuit breaker into OFF position Place a lock or other device on electrical box cover to prevent someone from placing circuit breaker ON Place a tag on electrical box cover to indicate that appliance has been disconnected for service and power should not be restored until tag is removed by maintenance personnel Disconnect appliance power cord from electrical outlet Place a tag on the cord to indicate that unit has been disconnected for service and power should not be restored until tag is removed by maintenance personnel RIGHT SIDE PANEL 1 2 Remove screw at the top of the Control Panel Loosen set screw and remove GAS SHUTOFF Knob Slide the control panel forward being careful not to damage wiring or thermocouple or RTD tubes Loosen the four screws that hold the Lower Trim Piece in place Slide the Lower Trim Piece forward and remove it Before the large side panel can be removed the stainless steel insert panel behind the control compartment must first be removed Remove two screws that hold the small stainless steel insert panel in place Slide the panel forward and out of the unit To remove the large side panel remove the six screws on the front and rear flanges of the panel Pull panel free from the bott
33. s It is best to adjust Turnbuckles while the door is in an unlatched position 1 Open Oven Doors 2 Remove the Top Finish Piece above the Oven Door by removing the screws securing the Top Finish Piece ee Finish Piece Jam Nuts Turnbuckle Assembly 3 Loosen the jam nuts on both Turnbuckles 4 Make adjustments simultaneously to both Turnmbuckles Loosen one Turnbuckle and tighten the other Service Manual for 6 13 and Series Gas Convection Ovens 5 Once the Oven Doors are operating properly retighten the jam nuts so the Oven Doors will stay inadjustment Test the Oven Doors to make certain the adjustment is corrrect 6 Install top finish piece over the door Door Switch Adjustment The door Switch is located behind the lower cover on the right side The door Switch is activated by a Cam which is mounted to the door s hinge pin with a set screw 1 Open the Oven Doors fully 2 Remove the Lower Finish Piece by loosening the four screws located inside door opening 3 Position the Oven Doors so they are nearly closed but not latched 4 Toadjust the Cam loosen the set screw and rotate the Cam until you hear the Switch click 5 Tighten the set screw in the Cam Test the Oven Door to make certain the Switch will make contact with the doors closed 6 Replace the Lower Finish Piece Door Switch 20 DOOR SWITCH CHECK DISCONN
34. ss procedure Disconnect wires from Lights Switch ZX Controller Remove Lights Switch from front of Control Panel Reverse procedure to install a new Lights Switch SR E SERIES AND 6 13 CONTROLLER ASSEMBLY 9 J Control Panel AN WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY POWER Switch SERVICE Interior Light Switch 1 Perform Component Access procedure 2 Loosen set screw and remove knob from POWER Switch 7 WITC Switch 3 Disconnect wires from POWER Switch 4 Removenut securing POWER Switch and remove POWER Switch 5 Reverse procedure to install new POWER switch Thermostat ZX Controller 1 1 Perform Component Access procedure Timer 2 Disconnect wires from ZX Controller 3 Remove two knobs from front of Control Panel 4 Remove four nuts securing ZX Controller to back of Digital Control Panel 5 Remove ZX Controller from rear of Digital Control Gas Panel Sh as Knob 6 Reverse procedure to install new ZX Controller OVEN READY Light 1 Perform Component Access procedure 10 Component Access procedure 1 Loosen set screw on GAS SHUTOFF knob 2 Remove screw at top center of X Controller Assembly and swing Control Panel down to allow access to Control Panel components POWER Switch 1 Perform Component Access procedure 2
35. ted for a minimum of 30 minutes before taking temperature readings MOTOR CIRCUIT CHECK The Motor should be operating the Fan at any time the oven is turned on and the Fan Switch is in the ON position The Fan should be turning clockwise WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY SERVICE 1 Turn Power Switch to OFF position and Fan Switch to OFF position 2 Remove cover over Motor Junction Box 3 Locate yellow black wire connection and brown wire connection 4 Connect voltmeter to these terminals WARNING CIRCUIT IS ENERGIZED AFTER NEXT STEP 5 Turn POWER Switch to COOK position 6 Set Fan Switch to ON position 7 Check voltmeter reading Reading should be the same as input power source 8 Ifno voltage is measured check voltage at POWER Switch and at Fan Switch 9 If voltage is present and Motor is not operating replace Motor 10 If Motor operates check direction of rotation 11 Turn POWER Switch to OFF position 12 Install cover over Motor Junction Box 13 Check operation of oven GAS PRESSURE INTERNAL REGULATOR AND ADJUSTMENT The gas pressure has been preset at the factory for the type of gas specified on the rating plate however it is sometimes necessary to adjust the gas pressure after the unit has been installed 1 Turn the Gas Shutoff Valve to the OFF position 2 Perform Component Access procedure as outline under COMPONEN
36. tilation system be inspected and or maintained by Qualified Personnel at least once each year This inspection maintenance should consist of but not be limited to Inspection for blockages or buildup which might interfere with the venting of the oven Repair of such blockages Proper installation of the draft hood or the flue guard Inspection of the venting canopy its drive motors and belts etc Service Manual for 6 13 and Series Gas Convection Ovens TROUBLESHOOTING SYMPTOM CAUSE REMEDY Oven not heating Fan not operating and Lights not operating Oven not plugged into an operating power source Plug oven into a power source with the proper rating Blown Fuse POWER Switch not in the COOK position Replace Fuse Rotate POWER Switch to the COOK position POWER Switch is in the COOK position but Oven not heating Fan not operating On ovens using the V controller Thermostat in OFF position Timer in OFF position Rotate Thermostat to select desired temperature Rotate Timer to desired time interval Fan operating but Oven not heating On ovens using the X Z or ZX Controller Faulty Digital Cook Time Control Faulty Door Switch or Oven Door not completely closed Replace Digital Cook Time Control Check operation of Door Switch Adjust or replace as necessary POWER Switch in COOL DOWN position Rotate POWER Switch to COOK position
37. type of restriction Refer to the chart on Maximum Capacity of Pipes located in the Installation and Operation manual 14 Rotate pressure regulator adjustment screw clockwise to increase pressure counter clockwise to decrease pressure 15 When the proper pressure is attained turn the POWER Switch to the OFF position and close Manual Shutoff Valve 16 Remove meter and fitting Reinstall pressure tap plug You may need to add some pipe dope to the plug to prevent a leak 17 Turn the POWER Switch to the COOK position and open the Manual Shutoff Valve 18 With a solution of soapy water check for gas leaks Repair any leaks 19 Replace cover cap on Gas Valve 20 Replace Combustion Compartment Cover Lower Finish Piece 21 Rotate Control Panel up and secure with screw 23 Service Manual for 6 13 and Series Gas Convection Ovens CHECKING AND ADJUSTING ELECTRODE GAP The gap between the Electrode and the pilot hood is factory set and should normally not need to be adjusted If the pilot fails to ignite this gap should be checked 1 24 Remove the Burner and Electrode assembly as described in BURNER ASSEMBLY AND ELECTRODE Removal Procedure The gap between the Electrode and the pilot hood should be set at 7 64 1 64 inch If gap is not correct adjust to proper setting Reinstall Burner and Electrode assembly Check oven for proper ignition VENTILATION SYSTEM It is important that the ven
38. witch 14 3 Removescrews securing Door Switch to the switch bracket and remove Door Switch 4 Reverse procedure to install new Door Switch 5 Close Oven Door 6 Adjust Switch Operating Cam as described in the SERVICE PROCEDURES section Door Handle 1 Open Oven Door 2 Removetwoscrewsattop andtwoscrewsat bottom securing Handle to Oven Door 3 Remove Handle from Oven Door 4 Reverse procedure to install Handle Turnbuckle Assembly used on two door 6 13 series ovens only 1 Remove screws securing Top Finish Piece to oven and remove Top Finish Piece 2 Loosen Turnbuckles sufficiently to disengage Chain Drive from door Sprockets Top Finish Piece Jam Nuts Turnbuckle Assembly 3 Remove Turnbuckle Assembly NOTE Wheninstalling anew Turnbuckle Assembly be sure to center Turnbuckles so that door can fully open and close 4 Wrap new Turnbuckle Assembly around the Sprockets on the top of each door hinge 5 Adjust turnbuckles as described in the SERVICE PROCEDURES section Service Manual for 6 13 and Series Gas Convection Ovens GAS SHUTOFF VALVE NOTE Use Anti Seize Technologies TFE1400 all pipe threads when installing orreplacing a Gas Shutoff Valve The Gas Shutoff Valve is located on top of the Gas Valve inside the control compartment WARNING DISCONNECT OVEN FROM POWER SOURCE BEFORE PERFORMING ANY Ae TOS ING SERVICE SERVICING MUST BE CHECK
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