TurboChef TORNADO Service Manual
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TurboChef TORNADO Service Manual

Rapid cook ovens
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  • Page 1 Service Manual ® F O R T H E T U R B O C H E F T O R N A D O A N D T O R N A D O R A P I D C O O K O V E N S...
  • Page 2 For further information call: 8 0 0 . 9 0 T U R B O + 1 2 1 4 . 3 7 9 . 6 0 0 0 Accelerating the World of Cooking...
  • Page 3 Adherence to these procedures and instructions will result in satisfactory baking results and help prevent maintenance. Please read this manual carefully and retain it for future reference. Errors - descriptive, typographic, or pictorial - are subject to correction. Specifications are subject to change without notice. © 2008 TurboChef Technologies, Inc.

  • Page 4: Table Of Contents

    Table of Contents Important Safety Instructions General Safety Information Reducing Fire Risk Precautions to be Observed Before and During Servicing to Avoid Possible Exposure to Excessive Microwave Energy Grounding Instructions Power Cord Replacement RF Interference Considerations Chapter 1: Installation, Specifications and Maintenance Specs and Dimensions Dimensions Construction...
  • Page 5 Programming Oven Options User Configurable Options - Enable/Disable Codes User Configurable Options - Access Codes Control System Panel Parts Control System Troubleshooting Chapter 5: The Microwave System Voltage Doubler Circuit Description Monitor Circuit Description Voltage Doubler Theory of Operation Microwave System Parts Microwave System Components Wave Guide Cover Replacement Wave Guide/Wave Guide Cover Parts...
  • Page 6 Schematic - I/O Board Oven Schematics 55 - 63 Chapter 10: Service Parts and Illustrations Figure 7: NGC (Tornado) Control System Figure 17: Control System Panel Enclosure and Parts Figure 18: Monitor Circuit - Shown in Failsafe State Figure 20: Microwave System Parts...

  • Page 7: Important Safety Instructions I

    INTRODUCTION IMPORTANT SAFETY INSTRUCTIONS Strictly adhere to the following safety precautions to reduce the risk of: Burns Electric shock Fire Injury Damage to oven or property near oven Exposure to excessive microwave energy GENERAL SAFETY INFORMATION Read all instructions before using the appliance. Install or locate this appliance only in accordance with the provided installation instructions.

  • Page 8: Rf Interference Considerations

    RF INTERFERENCE CONSIDERATIONS ® The NGC (Tornado ) oven generates radio frequency signals. This device has been tested and was determined to be in compliance with applicable portions of FCC part 18 requirements and to the protection require- ments of Council Directive 89/336/EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility at the time of manufacture.

  • Page 9: Chapter 1: Installation, Specifications And Maintenance

    Installation, Specifications, and Maintenance...

  • Page 10: Specs And Dimensions

    INSTALLATION, SPECIFICATIONS, AND MAINTENANCE 1 : NGC (Tornado) Dimensions F I G U R E SPECS AND DIMENSIONS Standard Features Recirculating airpath with patented catalytic converter Dimensions system E X T E R I O R C O O K C A V I T Y...

  • Page 11: Power Input

    24 Circuit Breaker: Type D, min. 20 Amps hours in order to file a claim. TurboChef is not responsible if the product is damaged in shipment. NGC ED (3-phase) Remove all literature and accessories from the carton.

  • Page 12: Installation Near Open Heat Source

    12" (305 mm) between the oven and the divider. Installation Near Open Heat Source (Figure 3) When placing a TurboChef oven near an open heat The height of the divider must be greater than or source, strictly adhere to the following:...

  • Page 13: Oven Restraint Kit

    400 lbs (181 kg). 2. Allow ovens adequate time to cool and unplug them 3. If you are stacking ovens on a TurboChef oven cart (24” = NGC-1217-1, 18” = NGC-1217-2), make sure that the bottom oven is bolted to the cart and the wheels are locked.

  • Page 14: Maintenance

    TurboChef Oven Cleaner ® Using a damp towel, remove large food particles. When cleaning the oven, use only TurboChef Oven If stubborn stain is present, sparingly spray Cleaner. Any other cleaning products can damage TurboChef Oven Cleaner onto the stain.

  • Page 15: Theory Of Operation

    Theory of Operation...
  • Page 16 SYSTEM ability to control each mechanism independently, heating the inside. the NGC (Tornado) oven is able to reduce the cook time of most foods by 70-90 percent. Part numbers are included on illustrations (where applicable) and in the back of this manual. If an Figure 5 below represents the oven’s different sys-...

  • Page 17: Glossary Of Common Operating Terms

    THEORY OF OPERATION GLOSSARY OF COMMON OPERATING TERMS Off State All the oven’s control systems are off and the cook cavity temperature is below 150 º F (66 º C). Cool Down A subset of the . During , the oven will circulate the main convection blower until OFF STATE COOL DOWN the cook cavity temperature is below 150 º...
  • Page 18 THEORY OF OPERATION Keypad The primary interface for the operator. Display Displays all visual information to the operator. Self-Test (STEST) A special diagnostic function that tests all critical subsystems to determine their operational state. Recipe A set of user-defined Events that determine a cook cycle. Events A single operational element that is a part of a recipe.

  • Page 19: Chapter 3: Fault Codes

    Fault Codes...

  • Page 20: To View Fault Codes

    FAULT CODES ® The NGC (Tornado ) oven has the ability to continual- NGCVXXXX XXXXXX ly monitor and log various fault conditions. Some S/N XXXXXX fault conditions will terminate cook cycles, while COOK COUNT others will not. Please refer to the fault code table F1 BLOWER on page 12 for more detailed information.

  • Page 21: Fault Code Table

    FAULT CODES : Door interlock switches are in parallel. See thermocouple temperature is below the indicated N O T E , pages 55-63. The fault is moni- limit. OVEN SCHEMATICS tored during a cook cycle, or in when the SELF TEST microwave is on.

  • Page 22: Chapter 4: The Control System

    The Control System...

  • Page 23: Control System Schematic

    VOLTAGE INPUT COMMON COMMON SENSOR U.S. ONLY A (-) IR THERMOCOUPLE C (+) A (-) DISPLAY EC THERMOCOUPLE C (+) A (-) CC THERMOCOUPLE C (+) KEYPAD ® 7 : NGC (Tornado ) Control System F I G U R E...

  • Page 24: Control System Component Descriptions

    THE CONTROL SYSTEM CONTROL SYSTEM COMPONENT DESCRIPTIONS IR Thermocouple Type K Thermocouple. Embedded in the IR ele- 24 VDC Power Supply ment, the IR thermocouple measures the inter- 24 VDC output at 40 watts. Supplies control nal/sheath temperature of the IR element. Valid IR voltage for I/O control board, 24 VDC mechanical set points are between 500 º...

  • Page 25: Test Function Options

    THE CONTROL SYSTEM TEST NGC XXXXX TEST NGC XXXXX CC 81 IR 500 CC 81 IR 500 BLOWER HEATER DIAG ELEC FAULTS MGTRON COOKS STEST IR ELE ACCUM IR SI P S M P S M 8 : Accessing Test Mode 9 : Test Mode - Screen 1 1 0 : Test Mode - Screen 2 F I G U R E...

  • Page 26: Status Indicators

    THE CONTROL SYSTEM Diagnostic Display (Screen 2) STATUS INDICATORS key turns on or off the diagnostic display DIAG See Figures 9 and 10 on page 15. feature. When this feature is enabled, the oven will Primary switch – closed or open display temperature and cook cycle parameters when Secondary switch –...
  • Page 27 Valid temperatures are between 500 º F (260 º C) Most NGC (Tornado) oven models contain 128 and 1150 º F (621 º C). unique recipes. The display shows two ( 2) pages each with eight ( 8) recipe groups.

  • Page 28: Oven Options

    THE CONTROL SYSTEM Loading a Menu from a Smart Card OVEN OPTIONS 1. Ensure the oven is in the Done Screen OVEN OFF COOLING mode. To enable/disable the Done Screen (Figure 15), see DOWN the next page. Enable the Done Screen to: 2.

  • Page 29: User Configurable Options - Enable/Disable Codes

    THE CONTROL SYSTEM USER CONFIGURABLE OPTIONS - ENABLE/DISABLE CODES The following codes enable disable each function/screen listed. They do not take you to the function/screen. After each code, press . To enable, press 9 after entering code (except ). To disable, press ENTER any key (except 9) after entering code.

  • Page 30: Control System Panel Parts

    Smart Card Reader (Varies)* Smart Card, Programmed* 10. 100182 Smart Card Reader Cable 4. NGC-3023 Display Svc Kit (includes Items 5, 6, and 7) * Contact TurboChef (800.90 TURBO 5. 101954 Spacer, 1/2” Lg, Aluminum +1 214.379.6000) for more info/part numbers.

  • Page 31: Control System Troubleshooting

    THE CONTROL SYSTEM CONTROL SYSTEM TROUBLESHOOTING ISSUE RESOLUTION No Display (Blank) 1. Verify power 208 VAC or 240 VAC is going to the oven correctly. If not, correct the voltage supply. 2. Control DOES NOT beep when any key on the keypad is pressed. Check power going to the 24VDC power supply.
  • Page 32 THE CONTROL SYSTEM ISSUE RESOLUTION F1: Blower Running 1. Status Indicator “A” is highlighted/backlit in TEST MODE Status Bad Verify 208 or 240 (USA) / 230 (Intl) / 200 (Japan) / 220 (Latin America) VAC is going to the motor controller via pins 2 and 3. Motor not running 208/240/230 VAC is present: Verify control wiring from the motor when commanded.
  • Page 33 THE CONTROL SYSTEM ISSUE RESOLUTION F2: Cook Temperature 1. Verify the high-limit thermostat is not tripped. If high-limit is tripped, reset and allow the oven to warm up. If high-limit is not tripped, follow the instructions below. High-limit thermostat is not tripped. Place a small water load in a microwave/heat-resistant container (approx.

  • Page 34: Chapter 5: The Microwave System

    The Microwave System...

  • Page 35: Voltage Doubler Circuit Description

    THE MICROWAVE SYSTEM is the most complex system in If during normal operation any of the interlock The Microwave System the oven. Proper care must be taken during servicing switches open - such as when the oven door opens to protect both the operator and technician. - the control will turn off the microwave.

  • Page 36: Voltage Doubler Theory Of Operation

    THE MICROWAVE SYSTEM TRANSFORMER OUTPUT VOLTAGE MAGNETRON VOLTAGE +(B) +(B) +2400 V -4800 V -2400 V -(C) -(C) 2400 2400 4800 2400 Current 2400 Current Flow Flow CAPACITOR CHARGES CHARGED CAPACITOR PLUS TRANSFORMER ON POSITIVE VOLTAGE SWING ON NEGATIVE VOLTAGE SWING 1 9 : Voltage Doubler Circuit Theory of Operation F I G U R E VOLTAGE DOUBLER THEORY OF OPERATION...
  • Page 37 THE MICROWAVE SYSTEM FILAMENT AND HIGH VOLTAGE TERMINALS COOLING (ORG) FINS (BLK) ANTENNA 2 1 : Microwave System Parts 2 0 : Microwave System Parts F I G U R E F I G U R E 13. 100481 High Voltage Diode (x2) 15.

  • Page 38: Microwave System Components

    THE MICROWAVE SYSTEM MICROWAVE SYSTEM COMPONENTS High Voltage Capacitors Capacitor rating is 0.91uF, 2500 VDC for USA, Below is a description of each component within Mexico, Brazil, and S. Korea. the Microwave System. Capacitor rating is 1.15 uF, 2500 VDC for Magnetron Europe, Asia, Pacific, Australia, UK, Ireland, and Magnetrons supply the RF energy at 2.45 GHz...

  • Page 39: Wave Guide Cover Replacement

    THE MICROWAVE SYSTEM 2 2 : Wave Guide Cover/Wave Guide Removal and Replacement F I G U R E To determine software type, 1. Locate the fourteen (14) #8 sheet metal screws 1. Make sure the oven is in the securing the broken wave guide cover.

  • Page 40: Wave Guide/Wave Guide Cover Parts

    N O T E : Be careful to not damage the insulation N O T E temperature RTV as supplied by TurboChef. when removing the wave guide. 6. Place the new wave guide cover in place. Secure 6. Install the new wave guide using the mounting...

  • Page 41: Wiring The Filament Transformers

    THE MICROWAVE SYSTEM high-voltage transformers are most likely wired in- phase. As a last check, energize the Microwave System and verify the voltages between the taps on each high-voltage transformer. The wiring issue must be corrected prior to returning the oven to service, as the voltages must be: : 208 VAC between 1 &...

  • Page 42: How To Test Microwave Components

    THE MICROWAVE SYSTEM FILAMENT AND HIGH VOLTAGE TERMINALS ANTENNA 2 4 : High Voltage Diode F I G U R E 2 5 : Magnetron F I G U R E 5. While holding the soft key, move the sur- former goes to 2400 VPK, the high-voltage capacitor is MGTRON vey meter around the outline of the oven door,...

  • Page 43: How To Check A Capacitor

    THE MICROWAVE SYSTEM How to Check a Capacitor 3. An ohmmeter connected between the filament 1. Disconnect the oven from the power source. terminals (F, FA) should indicate a reading of 2. Fully discharge the capacitor. less than 1 ohm. Figure 25. 3.

  • Page 44: Microwave System Troubleshooting

    JAPAN If proper amperage appears but takes longer than 2 complete seconds to appear, call TurboChef Tech support for assistance. If amperage is present but lower than typical readings, perform the troubleshooting steps in the previous pages of this section. If amperage is not present, check the condi- tion of the F3 fuse.
  • Page 45 THE MICROWAVE SYSTEM ISSUE RESOLUTION F3: Magnetron : Never try to check the secondary voltages of the High W A R N I N G Current Low (cont.) Voltage Transformers. With the top cover removed, safe access to the three (if US oven)/two (if International oven) terminals on the of the transformers is available.
  • Page 46 THE MICROWAVE SYSTEM ISSUE RESOLUTION F3 Fuse Blown, cont. c. Monitor circuit fault: Verify operation of all interlock switches. In addition, check the Fault Log. If the monitor switch opened prior to the primary and secondary, the control would have recorded the occurrence.

  • Page 47: Chapter 6: The Oven Door

    The Oven Door...

  • Page 48: Removing/Reinstalling The Oven Door

    3. Locate and remove the #38 screws (3 each side). The proper fit and adjustment essential for safe and reliable operation of the NGC 4. Remove the plastic caps. (Tornado) oven. : The 10x32 screws do not need to be NOTE The oven door provides three primary functions: removed, as they are used for adjusting the door.

  • Page 49: Adjusting The Oven Door

    THE OVEN DOOR : Check for excessive Microwave ADJUSTING THE OVEN DOOR W A R N I N G Leakage after adjusting the Cook Door. See : Procedure should be done while W A R N I N G page 31 for proper procedure. oven is hot.

  • Page 50: Primary And Secondary Interlock Switch Adjustments And Parts

    THE OVEN DOOR 2 8 : Mis-adjusted Oven Door 2 7 : Mis-adjusted Oven Door F I G U R E F I G U R E 3. Open and close the door several times to ensure it because the door can move as a result of temper- closes smoothly and the door actuator (Item 47) ature change.

  • Page 51: Door Switch Assembly And Parts

    THE OVEN DOOR ADJUSTING THE MONITOR SWITCH - OLD SETUP APPLY HI TEMP GREASE TO AREA The old switch assembly is identifiable by the moni- tor switch being located on the right hinge assembly. Also, the serial number of the oven will follow this formatting (X = variable digit/letter): NGC-XXXXX (North America) NGCXX-XXXXX (International)
  • Page 52 THE OVEN DOOR 3 0 : Door Switch Assembly and Parts - Old Switch Setup F I G U R E 3 1 : Monitor Switch Adjustment and Assembly - F I G U R E Old Switch Setup...

  • Page 53: Adjusting The Primary Interlock Switch - New Switch Setup

    THE OVEN DOOR APPLY HI TEMP GREASE TO AREA 3 2 : Primary Switch Adjustment and Parts - F I G U R E New Switch Setup ADJUSTING THE PRIMARY INTERLOCK SWITCH - PRIMARY SWITCH ADJUSTMENT AND PARTS NEW SWITCH SETUP Figure 32 The new switch assembly is identifiable by the pri- 70.

  • Page 54: Adjusting The Secondary And Monitor Interlock Switches - New Switch Setup

    THE OVEN DOOR 81 82 3 3 : Secondary/Monitor Adjustment and Parts - 3 4 : Secondary/Monitor Switch Assembly - F I G U R E F I G U R E New Switch Setup New Switch Setup disengage in sequence. ADJUSTING THE SECONDARY AND MONITOR 9.

  • Page 55: Oven Door Assembly

    Screw, #8 x 1/2” PTH 86. NGC-1061 Hinge Block 98. 102698 Tape, Aluminum 87. 102750 Handle, Door, Generic 99. NGC-1155 Name Plate, TurboChef NGC-1216 Handle, Door, SBK 100. 101293 Nut, Push, 1/8” 88. NGC-1076-2 Actuator, Door 101. NGC-1170 Label, Service 89.

  • Page 56: Screw Torque Chart

    THE OVEN DOOR SHUNT CAVITY/PLATE SHUNT ASSY/DOOR COVER Tightening Sequence Tightening Sequence 3 6 : Oven Door Assembly: Tightening Specs F I G U R E Critical Adjustment Notes (Figure 35) SCREW TORQUE CHART 1. Orient with the gasket seam at the bottom of Refer to Figures 35, 36.

  • Page 57: Interlock Switch Troubleshooting

    THE OVEN DOOR INTERLOCK SWITCH TROUBLESHOOTING ISSUE RESOLUTION “Cook Door Open” Determine which interlock switch is open. Access to view TEST MODE Message interlock switch status. M - Primary and/or secondary interlock is open (old switch setup). SM - Primary interlock is open (new switch setup). Verify action of the latch assembly and oven door.

  • Page 58: Chapter 7: The Convection Circuit

    The Convection Circuit...

  • Page 59: Convection Circuit Components

    THE CONVECTION CIRCUIT provides the high-temperature The Convection Circuit Motor Controller (BMSC) airflow required to brown and cook food items. The motor controller is proprietary and will only operate the convection motor described above. The motor controller is controlled on command from the CONVECTION CIRCUIT COMPONENTS The following is a description of each component I/O control board and a 0-10VDC speed command...

  • Page 60: Convection Circuit/Blower Motor Parts

    THE CONVECTION CIRCUIT 3 8 : Convection Circuit Assembly and Parts/Item 105 (Blower Motor) Detail F I G U R E CONVECTION CIRCUIT/BLOWER MOTOR PARTS 112. NGC-3005 Relay, K4/K5 SSR 113. 100592 Fuses, F1 and F2 (12 Amp) Figure 38 114.

  • Page 61: Convection Circuit Troubleshooting

    THE CONVECTION CIRCUIT CONVECTION CIRCUIT TROUBLESHOOTING ISSUE RESOLUTION F8: Heat Low 1. Check that the blower motor is moving air. Blower motor is not moving air: Check blower motor assembly Oven Not Warming Up and verify motor is stalled. Unplug oven and correct obstruction or replace motor.

  • Page 62: Motor Winding Resistances Table

    THE CONVECTION CIRCUIT ISSUE RESOLUTION F1: Blower Running 1. Verify motor spins freely. Status Bad Motor seized: Unplug oven and correct obstruction or replace motor. Motor spins freely: Verify motor windings (see table below). 2. Verify motor windings are OK. Measure the resistance between windings and chassis.
  • Page 63 IR Element and Catalytic Converter...

  • Page 64: Chapter 8: Ir Element And Catalytic Converter

    Oven Cleaner and rinse ® catalytic converter section below. thoroughly with distilled water. Let the catalytic converter air dry before reinstalling. If TurboChef ® Oven Cleaner is not available, do not use a substi- COMPONENTS tute. Use distilled water only.

  • Page 65: Removing & Installing The Catalytic Converter

    Figure 39 : Clean catalytic converter using C A U T I O N 116. 101312 Snap Ring only TurboChef cleaner (P/N 103180 USA, 117. 102449 Washer, Shim 103380 Intl). Use of other chemicals will 118. NGC-3003 IR Element irreparably damage catalyst.
  • Page 66 Schematics and Schematic Components...

  • Page 67: Schematic Parts

    SCHEMATIC COMPONENTS Keypad, NGC Oven FIGURES 40 THRU 45: NGC OVEN SCHEMATICS Switch, Primary Interlock Figure 40 I/O Board Schematic Switch, Secondary Interlock Figure 41 NGC US Schematic Switch, Monitor Safety Figure 42 NGC UK Schematic Thermocouple, CC Figure 43 NGC EW Schematic Thermocouple, EC Figure 44...
  • Page 68 I/O BOARD SCHEMATIC 4 0 : I/O Control Board and Test Point Locations F I G U R E...
  • Page 69 NGC (US) SCHEMATIC NOTES: 1. SCHEMATIC SHOWS OVEN WITH DOOR OPEN AND WITHOUT POWER APPLIED DRAWING OF 40-PIN CONNECTOR DRAWING OF HV TRANSFORMERS SAFETY INTERLOCKS MONITOR BL150 SWITCH K6 VOLTS OR270 PRIMARY INTERLOCK BR280 RD-20 24VDC POWER OR440 BK-16 SUPPLY BR420 BR450 SECONDARY...
  • Page 70 NGC (UK) SCHEMATIC NOTES: 1. SCHEMATIC SHOWS OVEN WITH DOOR OPEN AND WITHOUT POWER APPLIED DRAWING OF 40-PIN CONNECTOR BL 33 BL 34 BLK 19 G REEN M3 WHITE 240 VAC BLK 40 M2 RED 3 PHASE M1 BLK SPLICE 1 BMSC HV TRANSFORMERS 1-2 = 230VAC...
  • Page 71 NGC (EW) SCHEMATIC NOTES: 1. SCHEMATIC SHOWS OVEN WITH DOOR OPEN AND WITHOUT POWER APPLIED DRAWING OF 40-PIN CONNECTOR BL 33 BL 34 BLK 19 GREEN M3 WHITE 240 VAC BLK 40 M2 RED 3 PHASE M1 BLK BMSC S PLICE 1 HV TRANSFORMERS 1-2 = 230VAC 0 -1 0V...
  • Page 72 NGC (ED) SCHEMATIC NOTES: 1. SCHEMATIC SHOWS OVEN WITH DOOR OPEN AND WITHOUT POWER APPLIED DRAWING OF 40-PIN CONNECTOR BL 33 BL 34 BLK 19 GREEN M3 WHITE 240 VAC BLK 40 M2 RED 3 PHASE M1 BLK S PLICE 1 HV TRANSFORMERS BMSC 1-2 = 230VAC...
  • Page 73 NGC (BRAZIL) SCHEMATIC...

  • Page 74: Chapter 10: Service Parts And Illustrations

    Service Parts and Illustrations...
  • Page 75 SERVICE PARTS AND ILLUSTRATIONS FIGURE 7: NGC (TORNADO) CONTROL SYSTEM Chapter 4: The Control System - Page 13 +24VDC DUAL MECH MECH MECH MECH RELAY RELAY RELAY RELAY (U.S. ONLY) 3(+) 4(-) 3(+) 4(-) + 24 VDC - + 24 VDC -...

  • Page 76: Figure 17: Control System Panel Enclosure And Parts

    Smart Card Reader (Varies)* Smart Card, Programmed* 10. 100182 Smart Card Reader Cable 4. NGC-3023 Display Svc Kit (includes Items 5, 6, and 7) * Contact TurboChef (800.90 TURBO 5. 101954 Spacer, 1/2” Lg, Aluminum +1 214.379.6000) for more info/part numbers.

  • Page 77: Figure 18: Monitor Circuit - Shown In Failsafe State

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 18: MONITOR CIRCUIT - SHOWN IN FAILSAFE STATE Chapter 5: The Microwave System - Page 25 PRIMARY AND SECONDARY K2 HV INTERLOCKS (CLOSED) RELAY HV TRANSFORMER F3 FUSE 20 AMP (BLOWN) LINE VOLTAGE CONTROL (L1) +24 VDC HV TRANSFORMER CONTROL...

  • Page 78: Figure 21: Microwave System Parts

    SERVICE PARTS AND ILLUSTRATIONS FILAMENT AND HIGH VOLTAGE TERMINALS FIGURE 21: MICROWAVE SYSTEM PARTS Chapter 5: The Microwave System - Page 27 Microwave System Parts 24. 100186 Magnetron Wire 25. NGC-3015 Magnetron (ORG) COOLING 26. 102070 Magnetron Thermostat FINS (BLK) 27.

  • Page 79: Figure 24 & 25: High Voltage Diode And Magnetron

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 24 & 25: HIGH VOLTAGE DIODE AND MAGNETRON Chapter 5: The Microwave System - Page 32 FILAMENT AND HIGH VOLTAGE TERMINALS ANTENNA FIGURE 26: OVEN DOOR REMOVAL AND PARTS Chapter 6: The Oven Door - Page 37 Cook Door Parts 38.

  • Page 80: Figure 30: Door Switch Assembly And Parts

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 29: PRIMARY AND SECONDARY INTERLOCKS ADJUSTMENT AND PARTS - OLD SWITCH SETUP Chapter 6: The Oven Door - Page 40 APPLY HI TEMP GREASE TO AREA Primary and Secondary Interlock Switch Parts 47. NGC-1076-2 Actuator, Door 48.

  • Page 81: Figure 32: Primary Interlock Adjustment And Parts - New Switch Setup

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 31: MONITOR SWITCH ADJUSTMENT AND ASSEMBLY - OLD SWITCH SETUP Chapter 6: The Oven Door - Page 41 Monitor Safety Switch Parts 64. 102804 Hinge, Right 67. 101912 Standoff, #8-32F/Fx1 in S 65. 102012 Switch, Limit, Micro 68.
  • Page 82 SERVICE PARTS AND ILLUSTRATIONS FIGURES 33 AND 34: SECONDARY AND MONITOR SWITCH ADJUSTMENT AND ASSEMBLY - NEW SWITCH SETUP Chapter 6: The Oven Door - Page 43 81 82 Secondary and Monitor Safety Switch Parts 77. 102804 Hinge, Right 78. 102012 Switch, Limit, Micro (x2) 79.

  • Page 83: Figure 35: Oven Door Assembly

    Screw, #8 x 1/2” PTH 87. 102750 Handle, Door, Generic 98. 102698 Tape, Aluminum NGC-1216 Handle, Door, SBK 99. NGC-1155 Name Plate, TurboChef 88. NGC-1076-2 Actuator, Door 100. 101293 Nut, Push, 1/8” 89. NGC-1132 Shim, Door Latch 101. NGC-1170 Label, Service 90.

  • Page 84: Figure 37: Convection Circuit Block Diagram

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 37: CONVECTION CIRCUIT BLOCK DIAGRAM Chapter 7: Convection Circuit - Page 47 BOTTOM IR CONTROL WH-28 MAIN HX CONTROL OT1 - HI-LIMIT WH-30 MANUAL RESET RD-19 HX ELEMENT 3300 WATTS OR540 13.1 OHMS HT520 BL510 BOTTOM IR 3000 WATTS 14.4 OHMS...

  • Page 85: Figure 38: Convection Circuit Assembly And Parts

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 38: CONVECTION CIRCUIT ASSEMBLY AND PARTS Chapter 7: Convection Circuit - Page 48 Convection Circuit Parts 102. 101688 Screw, #8 x 1/2” PTH 112. NGC-3005 Relay, K4/K5 SSR 103. NGC-1081 Cover, Motor 113. 100592 Fuses, F1 and F2 (12 Amp) 104.

  • Page 86: Figure 39: Ir Element And Catalytic Converter Parts And Assembly

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 39: IR ELEMENT AND CATALYTIC CONVERTER PARTS AND ASSEMBLY Chapter 8: IR Element and Catalytic Converter - Page 52 IR Element and Catalytic Converter Parts 116. 101312 Snap Ring 121. NGC-1030 Clip, Catalytic Converter 117. 102449 Washer, Shim (Non-SBK) 118.

  • Page 87: Figure 46: Covers And Miscellaneous Parts - Non-Sbk Ovens

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 46: COVERS AND MISCELLANEOUS PARTS - NON-SBK OVENS x3 per panel 142 x2 134 x4 Covers and Miscellaneous Parts - Non-SBK 127. NGC-1069-1 Cover, Left Side NGC-1274 Rack, Recessed (International) 128. NGC-1069-2 Cover, Right Side NGC-3064 Rack, Raised 129.

  • Page 88: Figure 47: Covers And Miscellaneous Parts - Sbk Ovens

    SERVICE PARTS AND ILLUSTRATIONS FIGURE 47: COVERS AND MISCELLANEOUS PARTS - SBK OVENS x3 per panel 160 x2 152 x4 Covers and Miscellaneous Parts - SBK 145. NGC-1213-1 Cover, Left Side 156. NGC-3038 Stone, Clear Glazed 146. NGC-1213-2 Cover, Right Side 157.

  • Page 89: Comprehensive Part List

    Comprehensive Part List...
  • Page 90 Cap, Hole, Door 101191 Capacitor, HV (Europe, Asia-Pacific) NGC-3020-2 Capacitor, HV (Japan) 100207 Capacitor, HV (USA, Latin America, S. Korea) NGC-3020 Cart, TurboChef Oven, 18” NGC-1217-2 4 (Page 4) Cart, TurboChef Oven, 24” NGC-1217-1 4 (Page 4) Catalytic Converter NGC-1012...
  • Page 91 Fuse, F3, 20 Amp 100599 Gasket, Convection Heater NGC-1043 Gauge, Door Switch (Adjustment Tool) NGC-1215 Grease, Food Grade, USDA H-1 NGC-3006 Guard, TurboChef Oven, Domestic 103181 None Guard, TurboChef Oven, International 103381 None Handle, Door, Standard 102750 Handle, Door, SBK...
  • Page 92 COMPREHENSIVE PART LIST ITEM DESCRIPTION PART NUMBER FIGURE NUMBER (PAGES 65-78) Nut, Flange, 1/4-20 100906 Nut, M5, Yellow Zinc (Magnetrons, Bottom Electrical Plate) 100101 None Nut, Push, 1/8 101293 Nut, Stainless, #4-40 102960 Pad, Abrasive, Non-Slip NGC-1187 46, 47 Pin, Clevis, 3/16 Diameter x 1” Long 101119 Plate, Door Switch NGC-1126...
  • Page 93 NGC-1344 Shim Tool, 0.060 NGC-1340 Shunt Plate, Door NGC-3021 Smart Card, Blank 100508 Smart Card, Programmed (call TurboChef for Part Numbers) Varied Spacer, Aluminum, 1/2” 101954 Standoff, #8-32 F/F x 1” 101912 Standoff, #8-32, F/F x 1”, 5/16 Diameter 101914 33, 34 Standoff, #8-32, M/F x 5/16”, 1/4 Diameter...
  • Page 94 4240 International Parkway Suite 1 05 Carrollton, Texas 75007 21 4.3 79 .60 00 P H O N E 21 4.3 79 .60 85 FA X Part Number: NGC-1007 / Revision G / August 2009 © 2009 TurboChef Technologies, Inc turbochef.com...

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