Table of Contents READ THIS FIRST …………………………………………………………………………… i Important Safety Instructions ……………………………………………………………….. ii Precautions to Avoid Possible Exposure to Excessive Microwave Energy ……………. iii Precautions to be Observed Before and During Servicing to Avoid Possible Exposure to Excessive Microwave Energy ………………. iv Grounding Instructions ……………………………………………………………………….
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TurboChef Technologies, Inc. Door Removal and Replacement Left Side Parts List 7-13 Door Removal and Replacement Right Side Parts List 7-16 C3/C AND C3/CMULTI Door Assy and Parts List 7-18 Chapter 7 Cook Door C3/AB and C3MULTI Door Assy and Parts List 7-21 Chapter 8 Convection Circuit...
READ THIS FIRST Before working on the TurboChef Technologies, Inc. C Series oven you must first read the safety instructions on the following pages. The C3 series oven is a combination convection/microwave oven. While servicing this oven, an RF meter must be used at all times to check for microwave leakage. This RF reading must be recorded on your work invoice.
IMPORTANT SAFETY INSTRUCTIONS WHEN USING ELECTRICAL APPLIANCES, THE FOLLOWING BASIC SAFETY PRECAUTIONS SHOULD BE STRICTLY ADHERED TO: WARNING!! To reduce the risk of burns, electric shock, fire, injury to persons or exposure to excessive microwave energy: 1. Read all instructions before using the appliance. 2.
PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 1. DO NOT attempt to operate this oven with the door open since open-door operation can result in harmful exposure to microwave energy. It is important not to defeat or tamper with the safety interlocks. 2.
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 1. DO NOT operate or allow the oven to be operated with the door open. 2. Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: a) Interlock operation.
GROUNDING INSTRUCTIONS This appliance MUST BE grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This appliance is equipped with a cord having a grounding wire with a grounding plug. The plug must be plugged into an outlet that is properly installed and grounded.
RF INTERFERENCE CONSIDERATIONS This oven generates radio frequency signals. This device has been tested and determined to be in compliance with applicable part of FCC part 18 requirements and to the protection requirements 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.
TurboChef Technologies, Inc. C series OVEN DESCRIPTION SPECIFICATIONS C3/AB, C3MULTI, C3/C, AND C3/CMULTI Dimensions (single unit) 29” W x 25.5” H x 29.5” D (73.66 cm x 64.77 cm x 74.93 cm) Dimensions (double stacked units) 29” W x 43” H x 29.5” D (73.66 cm x 109.22 cm x 74.93 cm) Maximum Input 7.2 kW Power Supply...
Installation Specs OVEN LOCATION The well planned and proper placement of your oven will result in long term operator convenience and satisfactory performance. Be sure to place the oven in an area which is accessible for proper operation and servicing. The countertop or work surface must be able to support weight...
TurboChef Technologies, Inc. C Series BASIC CLEANING PROCEDURES PROBLEMS ASSOCIATED WITH IMPROPER 2. Clean the ceramic cooking platter, and wave CLEANING guide cap using brushes and scrub pads. Rinse to remove all cleaner and debris. The oven may not be operating correctly because Inspect for damage and replace as required.
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TurboChef Technologies, Inc. C Series INTRODUCTION ® The TurboChef C3/C oven utilizes two independent heat transfer mechanisms in order to rapidly cook food. The systems are as follows: Convection and Microwave energy. By combining these mechanisms and with our ability to control each mechanism independently, we are able to reduce the cook time of most foods by 70%-90%.
Theory of Operation Cook Temperature Point GLOSSARY OF COMMON Temperature should be a constant OPERATING TERMS parameter. The same cook temperature Display - Primary interface to relay should be used by all cook recipes. messages to the operator. MODES Keypad - Primary interface for the Mode –...
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TurboChef Technologies, Inc. C Series Programing EDIT GROUPS Edit Mode GROUP A GROUP E Edit mode enables the operator to alter Recipes and the Cook Chamber Temperature (CC). To Access Edit Mode, GROUP B GROUP F press the “Up” and “Down” Arrows Keys on the keypad simultaneously.
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Theory of Operation User Configurable Options: The user may enable or disable the < GROUP 1 > following options: ITEM 1 Edit Mode: For security purposes the Edit COUNT Mode can be disabled by pressing the “Back COOK TIME 00:00 WARMING UP Arrow”...
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TurboChef Technologies, Inc. C Series “Enter” the Access Pin “T-I-M-E” and “Enter”. When prompted, press “9” to re- enable or any other key to disable the Time State. Passwords Edit Mode: “Back and “Enter” simultaneously. Enter Pin: “9” & “Enter”. Enter Cook Time Test Mode: “Back and “Enter”...
TurboChef Technologies, Inc. C Series Introduction Fault Code Introduction: The C3C oven has the ability to continually Note: To reset Fault Counter, Press the “0” key. monitor and log various fault conditions. Some LOW MAG CURR (HV BREAKDOWN) or F3 fault conditions will terminate cook cycles, while MAG CURR –...
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Theory of Operation Fault Code Messages Matrix New Error Warm- While Self- Reference Old Error Code Code Cooking Test Chapter BLOWER STATUS F3 BLOWER LOW COOK TMP F2 LOW TEMP LOW MAG CURR F3 MAG CURR DOOR MONITOR F4 MONITOR MAG OVER TMP F5 MAG TEMP ELEC OVR TMP...
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TurboChef Technologies, Inc. C Series Test Mode fluctuating microwave power measured in the TO ENTER TEST FUNCTION MODE wave–guide. Any time the MGTRON key is 1. From the standby mode, press and hold released, the magnetron turns off. The filament both BACK ENTER...
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TEST Idle Airflow 3. Use the top right SOFT KEY to move the cursor to the right. The first press of the IAF key displays the selected idle airflow. Subsequent presses of the 4. Use the NUMERIC KEYPAD to change the IAF button increment the idle airflow in 10% steps digits as follows: from 20% to 50%.
TurboChef Technologies, Inc. C Series PASSWORDS FOR OPERATING C3/C OVENS with C3AD Software Version and ENTER keys. At the “Enter Pin ____” prompt, key in 3663 “DONE” and press To access TEST/SERVICE functions, press ♦ Enter. At the “Done Screen” prompt, press 9 and hold BACK and ENTER keys.
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TurboChef Technologies, Inc. C Series ELECTRICAL COMPONENT LOCATIONS: “C3/MULTI” OVENS ONLY 1. Circuit Breaker: CB1-15A & CB2-15A&CB3-15A (103170) 10. COOLING FAN (M9609) 2. 12 A-FUSE ATM-12 (100596) 11. MAGNETRON COOLING FAN (T0262) 12. STIRRER MOTOR (101891) 3. CONVECTION HEAT HIGH LIMIT (R7603) 13.
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Electrical Compartment and Controls ELECTRICAL COMPONENT LOCATIONS: “C3/C MULTI” OVENS ONLY 1. Circuit Breaker: CB1-15A & CB2-15A&CB3-15A (103170) 10. COOLING FAN (100519) 2. 12 A-FUSE ATM-12 (100596) 11. MAGNETRON COOLING FAN (T0262) 12. STIRRER MOTOR (101891) 3. CONVECTION HIGH LIMIT (R7603) 13.
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TurboChef Technologies, Inc. C Series ELECTRICAL COMPONENTS PARTS LIST SUMMARY Item # Part Description Used on Model(s) Number T0322 Circuit Breaker CB1-35A w/Trip Coil C3/AB & C3/C 100596 12 Amp Aux Fuse 100597 25 Amp Heater Fuse C3/C 100591 Fuse Holders R7603 Convection High Limit C3/AB &...
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Electrical Compartment and Controls (See Figures 4-1a/b) Item # Part Number Description Used on Model(s) C0299 Convection Motor Assy 103170 Circuit Breakers CB2 & CB3 15 Amp C3Multi & C3/CMulti 101285 K7 Solid State Relay C3Multi & C3/CMulti 102070 Thermostat, Magnetron (212F) 102085 Thermostat, EC Box 100542...
TurboChef Technologies, Inc. C Series CONTROL PANEL COMPONENT DETAIL CONTROL PANEL ASSEMBLY AND COMPONENT CONTROL PANEL ASSEMBLY AND COMPONENT 1. ASSEMBLED CONTROL PANEL 4. KEYPAD 2. KEYPAD RIBBON CABLE 5. CONTROL MOUNTING BRACKET 3. DISPLAY CONNECTOR 6. DISPLAY CONTROL PANEL PARTS LIST (see above) ITEM Part Description...
Electrical Compartment and Controls CONTROL SYSTEM TROUBLESHOOTING Issue: Resolutions: 1: No Display (Blank) Verify power 208 VAC or 240 VAC is going to oven. If not correct voltage supply. Does the control beep when any Key on the keypad is pressed? If no, check power going to the 24VDC power supply.
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TurboChef Technologies, Inc. C Series Defective Current Transformer on Computer Board SMT Board (T0265) Background: During the operation of the microwave system, the control board monitors current in the microwave circuit by means of a current transformer mounted on the controller board. The current transformer must see at least 6 amps in order for the microwave to energize.
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TurboChef Technologies, Inc. C Series "WHY DOES CIRCUIT BREAKER DOOR SWITCHES AND CIRCUIT TRIPPED SWITCHES BREAKERDOOR SWITCHES MISALIGNED? The C series ovens have 3 door switches as "In addition to the High Voltage circuit, it is mandated by law. The C3/AB and C3Multi have imperative to understand how the monitor circuit one door switch located on the left hand side operates.
Cook Door Figure 7-1 CIRCUIT BREAKER TRIP CHART Component Possible Cause/Circuit Information Magnetron transformer The magnetron transformer will draw approximately 9 amps when functioning properly. Check winding resistances (See Page 9-8). A 3 Amp draw indicates the diode is defective. Solid state contactor...
TurboChef Technologies, Inc. C Series DOOR SWITCH ADJUSTMENT Tools Required: allowing access to the switch brackets on the right side of the oven # 1 Phillips head screw driver • Note: Refer to page 7-11, DOOR ADJUSTMENT, # 2 Phillips head screw driver •...
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Cook Door 13. Actuator tab should be positioned as shown 20. As the door is opened slowly confirm that in Figure 7-5. It should be parallel to the all three switches operate in the correct primary switch lever. Adjust and bend sequence, i.e.
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TurboChef Technologies, Inc. C Series Figure 7-3 Interlock Placement Differences C3/AB vs. C3/C...
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Cook Door TRAILING ARM AND CAM MOTION 1. CAM FOLLOWER ROLLER 2. TRAILING ARM NOTES: 3. IN DOOR CLOSED POSITION, THE TRAILING ARM SHOULD SEAT AS SHOWN ON THE CAM. NOTE: BOTH THE LEFT AND RIGHT SIDES SHOULD BE ADJUSTED SUCH EACH SIDE SEATS AS SHOWN. 4.
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Cook Door Figure 7-58: Interlock Switch Adjustment...
TurboChef Technologies, Inc. C Series b) Slide the hinge bars (not shown) through DOOR REMOVAL AND the lower slots. Use caution in installing REPLACEMENT the door to avoid bending the hinge bars. If the bars bind in their slots, gently Tools Required: wiggle the door to free them.
Cook Door bottom out on the switch body (#6). If they do, between the sealing planes along the top open the door and realign switch brackets edge. In this position, with the top and or actuator tabs again checking for molding removed, most of the hex head interference with the guide as the door is of the shunt screws will be seen.
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TurboChef Technologies, Inc. C Series FIGURE 7 – 6a C3/C & C3/Cmulti (Left Side) 7-12...
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Cook Door DOOR REMOVAL AND REPLACEMENT PARTS LIST (LEFT SIDE): See Figure 4-3 & 4-7a. ITEM Part Description Used on Model(s) Number T0538 TRAILING ARM GUIDE C3/AB, C3MULTI C0538 TRAILING ARM GUIDE C3/C, C3/CMULTI T0550 TRAILING ARM, RH C3/AB, C3MULTI C0550 TRAILING ARM, RH C3/C, C3/CMULTI...
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TurboChef Technologies, Inc. C Series DOOR REMOVAL AND REPLACEMENT PARTS LIST (LEFT SIDE) CON’T See Figure 4-7a. ITEM Part Description Used on Model(s) Number T0560 CAM FOLLOWER ASSY C3/AB, C3MULTI C0560 CAM FOLLOWER ASSY C3/C, C3/CMULTI T0541 CAM FOLLOWER ROLLER C3/AB, C3MULTI C0541 CAM FOLLOWER ROLLER...
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Cook Door DOOR REMOVAL AND REPLACEMENT (RIGHT SIDE) 1. TRAILING ARM 2. INTERLOCK ACTUATOR BRACKET 3. INTERLOCK SECONDARY SWITCH 4. INTERLOCK SWITCH BRACKET 5. SPRING, TRAILING ARM 6. CAM FOLLOWER ROLLER 7. CAM FOLLOWER ASSY 8. HELPER SPRING FIGURE 7 – 6b Door Removal and Replacement (Right Side) 7-16...
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TurboChef Technologies, Inc. C Series DOOR REMOVAL AND REPLACEMENT PARTS LIST (RIGHT SIDE): See Figure 4-7b ITEM Part Description Used on Model(s) Number T0550 TRAILING ARM, RH C3/AB, C3MULTI C0550 TRAILING ARM, RH C3/C, C3/CMULTI T0529 INTERLOCK ACTUATOR BRACKET C3/AB, C3MULTI C0529-1 INTERLOCK ACTUATOR BRACKET C3/C, C3/CMULTI...
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Cook Door C3/C DOOR ASSEMBLY 1. SHUNT, DOOR 17. WASHER, LOCK M6 SS 2. SEAL, ENVIRONMENTAL 18. BOLT, M6 X 20 MM SS 3. SHUNT, SUPPORT, SHIM 19. ASSY, ARM. LH 4. SCREW, M4 X 12MM SS 20. ASSY, PIN 5.
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TurboChef Technologies, Inc. C Series C3/C AND C3/CMULTI DOOR ASSEMBLY PARTS: See Figure 4-8 Item Part Description Used on Model(s) Number C0190 SHUNT, DOOR C3/C & C3/CMULTI C0325 SEAL, ENVIRONMENTAL C3/C & C3/CMULTI C0427 SHUNT, SUPPORT, SHIM C3/C & C3/CMULTI SCREW, M4 X 12 MM SS C3/C &...
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Cook Door C3/C AND C3/CMULTI DOOR ASSEMBLY PARTS (CON’T): See Figure 4-8 Item Part Description Used on Model(s) Number C0508 ASSY BEARING BLOCK C3/C & C3/CMULTI C0507 PLATE, DOOR REINFORCING C3/C & C3/CMULTI SCREW, M4 X 16 MM SS C3/C & C3/CMULTI C0193 OUTER DOOR SKIN C3/C &...
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TurboChef Technologies, Inc. C Series Figure 7-9: C3/AB and C3Multi Door Assembly 7-21...
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Cook Door C3/AB AND C3MULTI DOOR ASSEMBLY PARTS: See Figure 4-9 Item Part Description Used on Model(s) Number T0190 SHUNT, DOOR C3/AB and C3/Multi T0254 PLSTIC COVER, DOOR C3/AB and C3/Multi T0426 SHUNT SUPPORT DOOR C3/AB and C3/Multi T0193 OUTER SKIN, DOOR C3/AB and C3/Multi T0507 PLATE, DOOR REINFORCING...
TurboChef Technologies, Inc. C Series dioxide and small amounts of nitrogen and CATALYTIC CONVERTER oxygen. The catalytic converter acts as a The catalytic converter (See Figure 8-1) is installed combustion chamber for the airborne grease. The in the return air duct behind the heater assembly. catalysts present on the filter lowers the ignition The installation of the catalytic converter requires temperature...
Convection Circuit IMPORTANT HEATER DISCUSSION CONVECTION ELEMENT AND The C series oven uses either an open coil or THERMOCOUPLES sheathed heater. The open coil element is The convection element (See Figure 8-1) is obsolete, but may still be found in C3/AB ovens located in the rear back on the left side of the and C3/C ovens.
TurboChef Technologies, Inc. C Series Heater Circuit Defective Messages SELF TEST (STEST) WHILE COOKING CAUSE CORRECTIVE ACTION (WARMING UP) THERMO OPEN THERMO OPEN HX Thermocouple amplifier 1. Check Thermocouple connections on I/O board connector (See I/O board indicates open, (999°)."or" section for details) are not loose or CC Thermocouple amplifier intermittently making contact with...
Convection Circuit CONVECTION (BLOWER) MOTOR OPERATION The convection (blower) motor is a variable speed convection motor, which operates from zero rpm up to 7000 rpm. The blower motor speed is controlled by a SP200 AC/Delta drive control. The speed of the motor is directly proportional to the applied low voltage to the SP200 AC./Delta drive control from the control circuit card.
TurboChef Technologies, Inc. C Series Blower Circuit Defective Messages SELF TEST WHILE COOKING CAUSE CORRECTIVE ACTION 1) Verify jumper on P3 of control BLOWER STATUS BLOWER STATUS Blower motor speed board is present and placed or "F1 BLOWER" or "F1BLOWER" controller not returning the according to motor controller "running status command"...
Convection Circuit Blower Motor Controller Fault Codes & Troubleshooting NOTE: If no fault condition exists, the LED will be green. If a fault condition exists, the LED will flash redhen a local keypad is not connected. All faults can be reset by cycling the reset control input, pressing the stop key, or cycling power, except as noted in the Corrective Action column below.
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TurboChef Technologies, Inc. C Series # of Fault Fault Cause Corrective Action Flashes Description Negative Slope • Conflicting parameter values • Adjust values of parameters P–50 through P–54 • Phase U • Verify output wiring is correct • Verify output phase is not •...
Convection Circuit Delta Blower Motor Controller Fault Codes & Troubleshooting Fault Name Fault Descriptions Corrective Actions The AC drive detects an 1. Check whether the motors horsepower corresponds to abnormal increase in the AC drive output power. current. 2. Check the wiring connections between the AC drive and motor for possible short circuits.
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TurboChef Technologies, Inc. C Series Delta Blower Motor Controller Fault Codes & Troubleshooting Fault Name Fault Descriptions Corrective Actions Over-current during acceleration: 1. Check for possible poor insulation at the 1. Short-circuit at motor output. output line. 2. Torque boost too high. 2.
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Convection Circuit 0.52 MIN 0.150 MAX HEAT SLINGER TO PLATE FAN BLADE TO CAP CONVECTION MOTOR ASSEMBLY 1. MOTOR, 1 HP 7. CLAMP, BEARING SPRING 2. SPACER, BLOWER MOUNT 8. BLOCK, BLOWER BEARING SEAL 3. CAP, BLOWER 9. SPRING, COMPRESSION 4.
TurboChef Technologies, Inc. C Series CONVECTION MOTOR PARTS LIST: See Figure 5-6 Item Part Description Used on Model(s) Number C0299 ASSEMBLY, BLOWER MOTOR T0076 Motor, 1HP, Mac 6050070 RING FAN (unwelded) 6050069 BLADE, FAN (unwelded) 4&5 TC3-0214 RING AND FAN TACK WELDED 7000306-2 HUB, FAN SMALL C3/AB &...
TurboChef Technologies, Inc. C Series MEASURING FOR MICROWAVE RADIATION LEAKAGE The following RF emissions test must be The tip of the probe should be touching performed every time a service call is done on the oven surface being measured with the a C3 SERIES oven.
Microwave Circuit MAGNETRON CIRCUIT The Monitor Circuit consists of the Primary Overview of a microwave circuit Interlock Switch, Secondary Interlock Switch, The microwave circuit consists of a magnetron Monitor Safety Switch, Monitor Relay and the trip and a voltage doubler circuit. The voltage doubler coil on the 35A circuit breaker.
Microwave Circuit Magnetron High Voltage Transformer (102093) magnetron power changes due to input voltage The magnetron transformer is a ferro-resonant changes. automatic resetting over- design which limits fault currents and minimizes temperature switch is embedded in the high voltage secondary winding and removes power form the primary winding if an over-temperature condition occurs.
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TurboChef Technologies, Inc. C Series Filament Transformer(102091) Background: Step 3: Press and release immediately the MGTRON key and observe the voltage at The filament transformer is a step down voltmeter, reading should be around 4.6VAC. transformer from 208-240VAC to about 4-5VAC. This voltage pre-heats the magnetron filament allowing it to be ready once the magnetron is energized by the high voltage transformer.
Microwave Circuit MAGNETRON TESTING Checking a Magnetron for Open or Shorted WARNING!! Filaments: The microwave circuit cannot be worked 1. Disconnect power source on with the unit on. The unit must be discharge the High Voltage Capacitors. disconnected from the power source. 2.
Microwave Circuit COMPONENT TESTING TRANSFORMER TESTING WARNING!! The microwave circuit cannot be serviced 1. Disconnect the power source and discharge with the unit on. The unit must be the capacitor. disconnected from the power source. 2. Isolate the transformer from the circuit. (Wires Failure to do so could result in injury or are labeled but remember where they go) death.
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TurboChef Technologies, Inc. C Series WARNING!! Use extreme caution when taking any current readings. Failure to do so can result in death or serious injury. 820MW3 ANODE TRANSFORMER FILAMENT TRANSFORMER (4-5) 4.6 VAC SECONDARY 0.20 OHMS (3-4) UNUSED FILAMENT WINDING 50 HZ REAR VIEW 60 HZ...
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TurboChef Technologies, Inc. C Series Waveguide Components: Figure 9-6: Waveguide Assy 9-11...
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Microwave Circuit WAVEGUIDE COMPONENTS PARTS LIST: See Figure 9-6 Item Part Description Used on Model(s) Number T0266 BLADE, STIRRER T0289 SHAFT, STIRRER C3/AB, C3MULTI C0289 SHAFT, STIRRER C3/C, C3/CMULTI T0290 HUB, STIRRER SHAFT C3/AB, C3MULTI C0290 HUB, STIRRER SHAFT C3/C, C3/CMULTI T0282 SPROCKET, STIRRER SHAFT, .125 BORE T0284...
TurboChef Technologies, Inc. C Series WAVEGUIDE COMPONENTS PARTS LIST (con’t): See Figure 9-6 Item Part Description Used on Model(s) Number WASHER, INTERNAL, LOCK, M4 SS C3/C, C3/CMULTI 700-1339-1 CLAMP, WAVEGUIDE, SINGLE WIRE C3/AB, C3MULTI C700-1339-1 CLAMP, WAVEGUIDE, SINGLE WIRE C3/C, C3/CMULTI 700-1321 SEAL, RING WAVEGUIDE C3/C, C3/CMULTI...
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FOODSERVICE EQUIPMENT SPARES LTD UNIT 4 SANDBROOK PARK, SANDBROOK WAY, ROCHDALE, OL11 1RY 01706 353 633 SALES@FOODSERVICESPARES.COM W W W . F O O D S E R V I C E S P A R E S . C O M...
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