How to Set Up Your 6 Burner Propane Grill | The Full Start-Up Sequence

Setting up a 6-burner propane grill takes 1–2 hours and ends with a soapy-water leak test and a high-heat burn-in before you cook.

You’ve wheeled the massive box into the garage, and now the real work begins. A 6-burner propane grill doesn’t cook a thing until it’s assembled, connected, and tested properly. The sequence for most models—including the MFSTUDIO, Nexgrill Deluxe, and Royal Gourmet lines—follows the same skeleton: unpack, build the cart, install burners, connect the tank, check for leaks, then burn off the manufacturing residue. Skip any one of those steps and you’re either wasting time or flirting with a dangerous gas leak.

What’s In The Box And What You Need First

Before you crack the cardboard, clear a workspace large enough to lay out every part. You’ll need a Phillips-head screwdriver, an adjustable wrench, and a spray bottle for the leak test. Some models require two people for the heaviest frame pieces, so grab a helper if one is around.

Open the box and verify every part against the illustrated parts list in the manual before touching a screwdriver. Missing hardware is far easier to resolve before assembly than after. Check the casters, shelves, burners, grates, and flame tamers for shipping damage—a dented burner tube or cracked heat tent needs a replacement, not installation.

Assembling The Frame And Installing The Burners

Assemble the cart or cabinet frame first. Attach the casters, locking ones on the front, and secure any side shelves. Hand-tighten fasteners initially, then go back and secure everything firmly once the frame is square. If you tighten one corner fully before the others, the frame can sit crooked.

Install the 6 stainless steel main burners into their designated slots, making sure each one sits level and its gas valve opening lines up with the control knob. Follow with the flame tamers or heat tents above the burners, then the cooking grates. If your model includes a side burner or sear burner, install those in the same order—but know those are model-specific features, not universal to every 6-burner grill.

Connecting The Propane Tank And Testing For Leaks

Manufacturers ship 6-burner grills without a propane cylinder, so you’ll supply your own standard 20-pound tank. With all burner control knobs turned OFF, open the cylinder valve briefly to seat the regulator seal, then close it again. Connect the regulator hose to the cylinder by hand-tightening the nut firmly—no wrench on this connection, as over-tightening can damage the threads.

The leak test is non-negotiable. Mix a few drops of dish soap with water in a spray bottle, open the cylinder valve, and spray every gas connection: the regulator-to-tank fitting, the regulator-to-manifold line, and each valve connection. Bubbles mean a leak. If you find one, close the cylinder valve, retighten the connection, and re-test. If bubbles persist after retightening, do not use the grill—contact the manufacturer for a replacement part. No bubbles means the system is sealed and ready.

One tip that saves a headache: if a burner won’t light within 5 seconds, turn that burner OFF, wait 5 minutes for gas to dissipate, then try again. This caution appears in multiple 6-burner manuals. Open the grill lid before lighting any main burner, and light burners one at a time from left to right.

The First Burn-In Before You Cook

Your first meal should never be the first thing those burners touch. Manufacturing leaves behind oils and residues on the burners and grates, and you need to burn them off at high heat. That’s a solid baseline for any 6-burner model. You’ll see light smoke and a distinct odor—that’s normal, and it stops once the residue is gone. After the burn-in, let the grill cool and brush the grates clean with a grill brush.

Once you’ve confirmed ignition, no leaks, and a clean burn, the grill is ready for its first cook. If you’re still choosing between models or weighing features like sear burners and cabinet storage, our ranking of the best 6-burner propane grills breaks down which setup earns its price tag.

FAQs

How long does a 6-burner grill take to assemble?

Plan for 1–2 hours for a typical 6-burner build. A helper for the frame assembly and clear workspace will keep you on the faster end, while double-checking burner alignment and gas connections adds a few minutes that are worth spending.

What size propane tank fits a 6-burner grill?

A standard 20-pound propane cylinder is the universal fit for residential 6-burner grills. The instructions from Royal Gourmet and Nexgrill both assume this tank size. Use only the connection configuration described in your model’s manual—adapters or modified fittings are a safety risk and void the warranty.

Why does my grill smoke heavily on first use?

Heavy smoke on the first high-heat burn is normal and expected. Manufacturing oils and protective coatings on the burners and grates burn off during the initial 15-minute burn-in, producing light smoke and an odor. Let the burn complete, cool the grill, brush the grates, and the smoke stops.