Hello, here is my check list for your most common gas grill lighting
problems:
1) Check your tank. Is it empty or nearly empty? The
tare weight (T.W.) of your cylinder is stamped on the collar. This is
the weight of your empty cylinder, usually around 18 lbs. Weigh it on
your bathroom scale.
Propane weighs 4.25 lbs/gal. If it weighs around 20
lbs or less - Refill it. If not, go to #2.
2) Make sure you
didn't turn the gas tank valve on too fast. Some gas hoses have a
built-in excess flow valve that stops the flow of gas to a trickle if
opened too fast. Close the tank valve, disconnect it and reconnect it. Turn the tank valve back on very slowly and
then try lighting it again. Make sure all your grill gas knobs are turned to off when you turn on the tank valve and that you only light 1 burner at a time. If it doesn't help, go to #3.
3) Is
the igniter sparking? Some are
powered-check the battery or
replace it. If you have a standard push button piezzo igniter or a
rotary style
igniter, check for spark. Can you hear or see the spark?
It's hard to see the spark in bright daylight. It's easier to view the
spark at dusk or dawn. It should spark an "arc" at the burner. If not,
adjust it if necessary. The igniter wire may have a short, causing the
spark to arc somewhere else along the wire and not at the burner.
Replace igniter wire. It's also possible the igniter tip where it sparks
has a cracked or broken porcelain portion of the igniter, causing the
spark to not arc at the tip where it's supposed to. Replace the igniter
piece. If not, go to #4.
4) You may have a rusted, clogged or
damaged burner or venturi tube. With a flashlight, check for spider
webs, wasp nests or dirt (mud) dauber nests in the opening of the
venturi tube where it connects at each gas valve orifice. Clean it out
manually or blow it out with air compressor. Make sure the air
adjustment opening (on the end of the burner's venturi tube) has not
been changed. If it's closed too much, it will be difficult to light and
cause lazy yellow flames. If it's not clogged, the burner may just be
old and rusted and the burner holes are not allowing very much gas
through anymore. It's also possible the burner has rusted so bad, the
burner holes have been enlarged, it is falling apart or has cracks along
the burner seams. If so, replace the burner(s) immediately. It is
unsafe to use. Your local propane co can usually order the parts you
need and some will even do the work, if you are uncomfortable doing it
yourself. Bring with you the Make, Model and Serial number of the grill,
so they can order the correct parts for your specifii have a charbroil commercial gas grill that won't - 2_bing.giflso
specify whether it's natural gas or
propane.
5) If none of these
resolve the issues you are having, it is also possible you have a faulty
or defective regulator, which may mean replacement. If the pressure
still seems too low and none of the above has helped, and you have a
silver/gray regulator; many have an adjustment screw on the top center
of the diaphragm. Remove the outer cap and turn the inside screw
clockwise in 1/4 turns to increase the pressure until the desired flame
size is accomplished. Flames should be as blue as possible, but will
burn orange if there is food or drippings on it. Yellow flames are not
good, and will soot up everything and not cook as hot as blue flames do.
Yellow flames could mean you do not have the right air shutter
adjustment, clogged burners, or possibly defective burners, as mentioned
above in #4.
6) Also make sure you have the hose connection
tightened snugly to the propane tank valve to ensure the inner valve
seat is fully depressed allowing gas to exit fully without any
restriction. The black plastic female fitting should be hand tightened
only. Older versions that use a left-hand male brass POL valve, requires
a 7/8 open end wrench or adjustable wrench to tighten.
Hope this
helps! Good luck in your trouble shooting! Douglas
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