Weber 3400 General Maintenance, Weber Spider Stopper Guards, Main Burner Flame Pattern

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General Maintenance

Weber Spider Stopper Guards

Your Weber Gas Barbecue, as well as any outdoor gas appliance, is a target for spiders and other insects. They can nest in the venturi section of the burner tubes. This blocks the normal gas flow, and can cause the gas to flow back out of the air shutter. Figure 6. This could result in a fire in and around the air shutters, under the control panel, causing serious damage to your barbecue.

Venturi

Main Burner Flame Pattern

The Weber Gas Barbecue burners have been factory set for the correct air and gas mixture. The correct flame pattern is shown in Figure 8.

Tips occasionally yellowish

Burner inside cooking box

Light blue

Dark blue

Figure 8

Air shutter

Venturi fin

If the flames do not appear to be uniform the length of the burner tube, follow the burner cleaning procedures.

Figure 6

The Weber Spider Stopper Guard is factory installed. It fits tightly around the air shutter section of the burner tube and the valve, thereby preventing spiders and other insects access to the burner tubes through the air shutter openings. Figure 7.

Weber Spider

Stopper Guard

Figure 7

We recommend that you inspect the Weber Spider Stopper Guards at least once a year. (See section “Annual Maintenance”.) Also inspect and clean the Spider Stopper Guards if any of the following symptoms should ever occur.

1.The smell of gas in conjunction with the burner flames appearing yellow and lazy.

2.Barbecue does not reach temperature.

3.Barbecue heats unevenly.

4.One or more of the burners do not ignite.

Main Burner Cleaning Procedure

Turn off the gas supply. Remove the manifold. (See Section “Replacing the main burners”.)

Look inside each burner with a flashlight. Figure 9.

Figure 9

Clean the inside of the burners with a wire (a straightened out coat hanger will work). Figure 10. Check and clean the air shutter opening at the ends of the burners. Check and clean the valve orifices at the base of the valves. Use a brass bristle brush to clean outside of burners. This is to make sure all the burner ports are fully open.

Figure 10

mCAUTION: Do not enlarge the burner ports when cleaning.

mDANGER

Failure to correct these symptoms may result in a fire which can cause serious bodily injury or death and cause damage to property.

Replacing Main Burners

a)Your Weber Gas Barbecue must be OFF and cool.

b)Turn gas OFF at source.

c)Remove control panel: take off the burner control knobs. Remove the screws holding the control panel in place. Lift off the control panel.

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Contents Platinum 3400 Series LP GAS Units only Warranty Patents and Trademarks Contents Gas supply testing For Installation in CanadaGeneral Instructions StorageAssembly Check package contentsStep Page Page Check contents of hardware packs Assemble frame Assemble wheelsComplete frame assembly Continue frame assemblyCheck the frame assembly Install left end panelInsert casters Install side burner locks Install the three back panelsAdd cooking box General Specifications for Piping Install gas supplyGas line piping Test connectionsInstall side burner Check that all burner valves are offMWARNING Make sure gas supply is OFF Install manifold bracket Install brace panelInstall right end panel Install igniter Install bottom accessory traysInstall left hand swing table Install right hand swing table To lower table Pull support rod up to disengage slide lock MWARNING Do not ignite burners while leak checking Check for gas leaksContact your dealer Install Flavorizer Bars and Cooking GratesInstall the lid Install the bottom trayMCAUTION Make sure both locks have snapped into place Secure the side burnerComplete accessory installation Install glass doorsTo Extinguish LightingManual Lighting Lighting only the side burner. Figure Lighting the side burnerPeriodic Cleaning CookingStorage and/or Nonuse Inspection and Cleaning of the Weber Spider Stopper Guards Annual MaintenanceMain Burner Cleaning Procedure General MaintenanceMCAUTION Do not enlarge the burner ports when cleaning Weber Spider Stopper GuardsTo reinstall burners, reverse steps c through h Crossover Ignition System Operations MCAUTION Do not line the bottom tray with aluminum foil Burner does not light, or flame is low in High positionSide Burner Troubleshooting Side Burner MaintenanceFlame is low in High position 15-16 18-20 Parts List Final Word Thanks
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3400 specifications

The Weber 3400 is a remarkable device that has garnered attention for its exceptional design, functionality, and efficiency. As a grill, it stands out in the realm of outdoor cooking, appealing to both novice grillers and seasoned barbecue enthusiasts alike.

At the heart of the Weber 3400 is its advanced grilling system that combines historical craftsmanship with innovative technology. The grill features dual burners that provide precise temperature control, enabling users to master a variety of cooking techniques, from high-heat searing to low-and-slow smoking. This versatility allows for greater culinary creativity, making it an indispensable tool for outdoor gatherings.

The Weber 3400 is equipped with a powerful ignition system, ensuring a quick start every time. The electronic ignition ignites the gas burners with the push of a button, eliminating the need for matches or lighters. This convenience is complemented by the grill's durable construction, featuring a heavy-duty lid and body made from high-quality materials that withstand the rigors of outdoor use and the elements.

Another notable feature of the Weber 3400 is its ample cooking space. The grill offers generous dimensions, allowing users to prepare meals for large gatherings without compromising on quality or efficiency. Additionally, the grill surface is constructed from porcelain-enameled cast iron, providing excellent heat retention and distribution. This ensures that food is cooked evenly, enhancing the overall grilling experience.

The integrated grease management system is yet another advantage of the Weber 3400. This system collects excess grease and drippings, making for easier cleanup and reducing the risk of flare-ups during cooking. This feature not only enhances safety but also promotes a healthier grilling environment.

To further elevate the grilling experience, the Weber 3400 includes a built-in thermometer that provides accurate temperature readings without the need to open the lid. This allows users to monitor cooking temperatures and make necessary adjustments without losing heat or smoke.

In conclusion, the Weber 3400 is a stellar addition to any outdoor cooking arsenal. With its powerful grilling capabilities, durable construction, and user-friendly features, it transcends traditional grilling and embraces modern technology, making it a favorite among grilling aficionados. Whether it's a weekend barbecue or a weekday dinner, the Weber 3400 stands ready to deliver mouthwatering results every time.
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