Service This manual is to be used by qualified appliance technicians only. Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person.
Important Information Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service. Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing instruments and the appropriate service information.
Table of Contents Important Information .................................................. 2 Safety Information ....................................................... 4 Safety Practices for Servicer .................................. 5 Servicing ................................................................ 5 Before Installing ..................................................... 5 Receiving Cooktop ................................................. 5 Unpacking ............................................
Safety Information As with all appliances, there are certain rules to follow for safe operation. Verify everyone who operates the cooktop is familiar with the operations and with these precautions. Use appliance only for its intended purpose as described. Pay close attention to the safety sections of this manual. Recognize the safety section by looking for the following symbol or the word safety.
Safety Information Safety Practices for Servicer Before Installing Safe and satisfactory operation of gas cooktops depend upon its design and proper installation. However, there is one more area of safety to be considered: Installing the gas cooktop in compliance with local electrical and gas building codes results in proper operation and consumer satisfaction with the cooktop.
Safety Information Gas Connection Electrical Requirements Verify the cooktop installation meets local codes or current American Gas Association (CGA) requirements in the absence of local codes. When installing CGA units, verify that installation meets local codes or in absence of local codes, current Natural Gas Installation Code CAN/ CGA-B149.1 or current Propane Installation Code, CAN/ CGA-B149.2 before connecting to the gas supply system.
Safety Information Product Safety Devices Safety devices and features have been engineered into the product to protect consumer and servicer. Safety devices must never be removed, bypassed, or altered in such a manner as to defeat the purpose for which they were intended. Listed below are various safety devices together with the reason each device is incorporated in the gas ranges. Pressure Regulator Maintains proper and steady gas pressure for operation of oven controls.
General Information This manual provides basic instructions and suggestions for handling, installing and servicing gas cooktops. Model Identification Rating Label and Ordering Replacement Parts The directions, information, and warnings in this manual are developed from experience with, and careful testing of the product. If the unit is installed according to this manual, it will operate properly and will require minimal servicing.
General Information Specifications Parts and Accessories Refer to individual Technical Sheet for specification information. Purchase replacement parts and accessories over the phone. To order accessories for your product call: Placement of the Cooktop • For Jenn-Air product call 1-800-688-1100 or visit the Web Site at www.jennair.com • For product in Canada call 1-866-587-2002 or visit the Web Site at www.jennair.com This cooktop must be placed in the kitchen or comparable room.
General Information For 15 amp circuits only. Do not use an adapter on 20 amp. circuit. Where local codes permit, a TEMPORARY CONNECTION may be made to properly grounded twoprong wall receptacle by the use of a UL listed adapter available at most hardware stores. When disconnecting power cord from adapter, always hold adapter with one hand. If this is not done, adapter ground terminal is very likely to break with repeated use.
Troubleshooting Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing, unless testing requires power and/or gas. ! CAUTION • Verify proper grounding before checking for trouble. • Be careful of any high voltage circuit. • Do not touch any part of the circuit on the printed circuit board, since static electric discharge may damage the control panel.
Troubleshooting Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing, unless testing requires power and/or gas. Problem No gas flows to burner. Fan motor does not operate. 12 Possible Cause Correction Gas pressure too high .............................. • Check for correct gas pressure. Natural gas pressure should be 5" WCP and LP gas pressure should be 10" WCP. Failed gas valve........................................
Component Testing Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing, unless testing requires power. Illustration Component Burner valve, top, 360° Test Procedure Verify gas is supplied. JGD8348CDP Orifice adjusted for Natural or LP. Burner valve, left and right, 360° JGD8348CDP Snap switch Results To replace burner valve(s), complete assembly must be replaced (manifold and valves). 1650 BTU per hour minimum.
Component Testing Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing, unless testing requires power. Illustration Component Venturi, front (short) Test Procedure Nominal air shutter setting............ .375 Tolerance...................................... .030 3/8" 1/32" Results Nominal air shutter setting............ .375 Tolerance...................................... .030 3/8" 1/32" Nominal air shutter setting...
Component Testing Procedures ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power and gas to cooktop before servicing, unless testing requires power. Illustration Component Infinite switch JGCP648ADP Griddle assembly JGCP648ADP Surface indicator light Test Procedure Remove wiring from terminals P1 and P2, connect voltmeter to P1 and P2. Results Time On Time Off LO 5% 95% MED (5-6) 50% 50% HI 100% 0% Measure voltages at each setting..
Disassembly Procedures ! WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to cooktop before servicing, unless testing requires power. Disassembly Procedures for Models Listed Surface Ignitor Removal • JGC8430BDB/W/Q/S • JGC8645BDS 1. Remove screws securing burner base to orifice holder. Main Top Removal 2. Lift upward on burner base and disconnect ignitor wire. 1. Shut off gas supply and disconnect electricity to unit. 3.
Disassembly Procedures ! WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to cooktop before servicing, unless testing requires power.
Disassembly Procedures ! WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to cooktop before servicing, unless testing requires power. Disassembly Procedures for Models Listed Manifold Pipe Removal • • • • 1. Remove main top, see "Main Top Removal" procedure. JGD8348CDP JGCP430ADP JGCP636ADP JGCP648ADP 2. Disconnect gas supply line and remove regulator from manifold pipe. 3. Slide burner switch up and off burner valve(s). Main Top Removal 1.
Disassembly Procedures ! WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to cooktop before servicing, unless testing requires power.
Disassembly Procedures ! WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to cooktop before servicing, unless testing requires power. Grease Filter Removal The grease filter rests against the vent opening and plenum ventilation chamber. 1. Remove air grill. 2. Remove grease filter by grasping the “D“ ring (located along the top edge of the filter) and pulling slightly outward and upward until the filter clears the air chamber. 3.
Appendix A ©2004 Maytag Services 16023565 A–1
Installation Instructions JGCP430ADP, JGCP636ADP, JGCP648ADP This is the first page of the Installation Instructions. See part number listed in the bottom right corner for complete set of instructions. ! " # " # $%& - Improper installation, adjustment, alteration, service, maintenance or use of appliance can result in serious injury or property damage.
Installation Instructions JGCP430ADP, JGCP636ADP, JGCP648ADP " 35 1/16² (89.06 cm) 36 1/16² (91.6 cm) ),*85( " 28 15/16² (72.34 cm) 30² (76.
Installation Instructions JGD8348CDP This is the first page of the Installation Instructions. See part number listed in the bottom right corner for complete set of instructions. ,! '$ %- % , %$ $ J , ! & " - a ~ + Leave these instructions with the appliance. + Retain these instructions for future reference.
Installation Instructions ©2004 Maytag Services Ducting Instructions JGD8348CDP 16023565 A–5
Installation Instructions A–6 Ducting Instructions JGD8348CDP 16023565 ©2004 Maytag Services
Installation Instructions ©2004 Maytag Services Ducting Instructions JGD8348CDP 16023565 A–7
Installation Instructions A–8 Ducting Instructions JGD8348CDP 16023565 ©2004 Maytag Services
Installation Instructions JGC8430BD* This is the first page of the Installation Instructions. See part number listed in the bottom right corner for complete set of instructions. INSTALLATION MANUAL SEALED GAS COOKTOP JGC8430 & JGC8536 403 WEST FOURTH STREET, NORTH · NEWTON, IA 50208 IMPORTANT: Dimensions Shown in Both Inches and Centimeters. IMPORTANT: Be sure the appliance being installed is equipped for the gas to be supplied. Refer to serial plate on underside of burner box for this information.
Installation Instructions JGC8645BDS This is the first page of the Installation Instructions. See part number listed in the bottom right corner for complete set of instructions. INSTALLATION MANUAL SEALED GAS COOKTOPS JGC8645 403 WEST FOURTH STREET, NORTH · NEWTON, IA 50208 IMPORTANT: Dimensions Shown in Both Inches and Centimeters. IMPORTANT: Be sure the appliance being installed is equipped for the gas to be supplied. Refer to serial plate on underside of burner box for this information.
Appendix B ©2004 Maytag Services 16023565 B–1
Use Instructions JGCP430ADP, JGCP636ADP, JGCP648ADP USING YOUR COOKTOP Surface Controls Operating During a Power Failure 1. Hold a lighted match to the desired surface burner head. CAUTION 2. Push in and turn the control knob slowly to the desired setting. • If flame should go out during a cooking operation, turn the burner off. If a strong gas odor is detected, open a window and wait five minutes before relighting the burner.
Use Instructions JGCP430ADP, JGCP636ADP, JGCP648ADP USING YOUR COOKTOP Cooktop at a Glance MODEL JGCP430ADP MODEL JGCP648ADP 1 1 2 3 4 5 6 2 3 4 1. Left rear burner (5,000 BTUs on HIGH, 600 BTUs on LOW). This burner is designed for cooking delicate items. 2. Left front burner (17,000 BTUs). This burner may be used to quickly bring water to a boil for large quantity cooking. 3. Right rear burner (9,200 BTUs). 4. Right front burner (17,000 BTUs).
Use Instructions JGD8348CDP USING YOUR COOKTOP SURFACE CONTROLS CAUTIONS: • If flame should go out during a cooking operation, turn the burner off. If a strong gas odor is detected, open a window and wait five minutes before relighting the burner. • Be sure all surface controls are set to the OFF position prior to supplying gas to the cooktop. • NEVER touch cooktop until it has cooled. Expect some parts of the cooktop, especially around the burners, to become warm or hot during cooking.
Use Instructions JGD8348CDP USING YOUR COOKTOP, CONT. CONTROL LOCATIONS COOKTOP To prevent the cooktop from discoloring or staining: • Clean cooktop after each use. • Wipe acidic or sugary spills as soon as the cooktop has cooled as these spills may discolor the porcelain. SEALED BURNERS 1 2 Fan 1. Left rear surface burner or grill. 2. Left front surface burner or grill. 3. Center rear surface burner. 4. Center front surface burner. 5. Right rear surface burner. 6. Right front surface burner.
Use Instructions JGD8430BD* USING YOUR COOKTOP Operating During a Power Failure Surface Controls CAUTION 1. Hold a lighted match to the desired surface burner head. • If flame should go out during a cooking operation, turn the burner off. If a strong gas odor is detected, open a window and wait five minutes before relighting the burner. 2. Push in and turn the control knob slowly to the desired setting. • Be sure all surface controls are set to the OFF position prior to supplying gas to the cooktop.
Use Instructions JGD8430BD* USING YOUR COOKTOP Cooktop at a Glance High Performance Burner* MODEL JGC8536 There is one high speed burner on your cooktop, located in the center or right front position. This burner offers higher speed cooking that can be used to quickly bring water to a boil and for large-quantity cooking. Simmer Burners* 1 2 3 4 5 These burners are located in the left front position and/or the right rear position.
Use Instructions JGG8645BDS USING YOUR COOKTOP Surface Controls Operating During a Power Failure CAUTION 1. Hold a lighted match to the desired surface burner head. • If flame should go out during a cooking operation, turn the burner off. If a strong gas odor is detected, open a window and wait five minutes before relighting the burner. 2. Push in and turn the control knob slowly to the desired setting. • Be sure all surface controls are set to the OFF position prior to supplying gas to the cooktop.
Use Instructions JGG8645BDS USING YOUR COOKTOP Burner Grates Cooktop at a Glance The grates must be properly positioned before cooking. Improper installation of the grates may result in chipping of the cooktop. MODEL JGC8645 Do not operate the burners without a pan on the grate. The grate’s porcelain finish may chip without a pan to absorb the heat from the burner flame.
Care and Cleaning C ARE & CLEANING CLEANING PROCEDURES CAUTION: • Be sure appliance is off and all parts are cool before handling or cleaning. This is to avoid damage and possible burns. • To prevent staining or discoloration, clean appliance after each use. • If a part is removed, be sure it is correctly replaced. CONTROL KNOBS • Remove knobs in the OFF position by pulling up. • Wash, rinse and dry. Do not use abrasive cleaning agents as they may scratch the finish.
Appendix C ©2004 Maytag Services 16023565 C–1
LP/Natural Gas Conversion JGD8348CDP, JGCP430ADP, JGCP6**ADP Converting from Natural Gas to L.P. Gas ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to cooktop before servicing, unless testing requires power. Converting Pressure Regulator for LP/Propane 1. Remove pressure regulator cap using a wrench. 2. Apply sideward finger pressure to remove pin from cap. Converting from Natural Gas to LP Gas Converting the Burner Orifice Spuds 1.
LP/Natural Gas Conversion JGC8430BD*, JGC8645BDS Converting from Natural Gas to L.P. Gas ! WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to cooktop before servicing, unless testing requires power. Converting Pressure Regulator for LP/Propane 1. Remove pressure regulator cap using a wrench. 2. Apply sideward finger pressure to remove pin from cap. Converting from Natural Gas to LP Gas Converting the Burner Orifice Spuds 1. Remove the grates and burner caps. 2.
