Propane gas flame too high on the burners of a drop-in Whirlpool cook top. How to adjust the burner flame.

There has to be a small screw close to where the burners are located and all you need to do is turn clockwise half a turn at a time (have the flame/burner on), to adjust the flame . Good luck

• I'm going to assume your fireplace has a pilot light.
  
• Follow the little holes in the burner that lead to the pilot light.
• Make sure the pilot flame is pointing directly at the closest burner hole. (adjust if necessary).
• Often, you will need to sprinkle a layer of "glowing embers" in this area. The embers will help the gas travel to the pilot light and ignite.
• Always start your propane appliance on "High" never "Low". Cold propane likes to drop to the bottom of the firebox and accumulate until it reaches the pilot (this is called delayed ignition). Keeping it on "high" will help the fuel travel over to the pilot without buildup.

call in a gas fitter as the jets for the propane are probably incorrect.
the jets for lpg and nat gas are different in size and they may not have needed changing at all

Check your gas supply is not running too low and then check for leaks, Let me know if this helps.

you can turn the supply valve down

Remove knob, with flashlight look down top of shaft see a slotted screw that screw is flame adjustment.

To adjust, light burner, turn flame to low, with screwdriver turn screw rite till flame is at desired hight (aprox 2mm). now turn up to high check that high is satisfactory if high is to low then adjust screw. check low again. adjust till both setings are acceptible.
do for all burners

Remove knob, with flashlight look down top of shaft see a slotted screw that screw is flame adjustment.

To adjust, light burner, turn flame to low, with screwdriver turn screw rite till flame is at desired hight (aprox 2mm). now turn up to high check that high is satisfactory if high is to low then adjust screw. check low again. adjust till both setings are acceptible.
do for all burners

As for holding the knobs that is common with this stove, you could check to see if flame is hitting sensor the burner hole that lines up the sensor may be dirty.

It's safe, but you need to keep in mind that propane burns hotter than natural gas, so you won't need to turn the burners up as high for the same heat. Here's an article that explains some of the differences (but doesn't really answer your question): http://bbq.about.com/od/gasgrills/a/aa030505a.htm

Bottom line -- it's safe if you don't leave it cranked up to high flame. Two-thirds flame on propane should give about the same heat as full burner on natural gas.

Of course, you could change the jets. That would compensate for all the differences between NG and propane, and you could run the grill on full high heat if you wanted to.

Get the installation manual for your range, and find the part on adjusting the low heat for the burners. On my Whirlpool, I found there is an adjustment screw inside the control knob shaft of each burner. The manual says turn the burner on low, remove the knob, then turn this screw until the flames are 1/4" high. Super-easy, it took me 5 minutes to do. I am sure all ranges have similar adjustments, might be in different locations - check the manual.

I have a G.E. natural gas cook top. All 4 burners have a lot of yellow flame all of a sudden. Is there an adjustment for this I could make? Please explain the best you can.