View Full Version : Rapid direct-fire burners
01-18-2011, 05:51 PM
What is the best way to clean out the orfices in the burners short of using an electric drill. (too many snapped bits) Over 150 are plugged up very solidly. Have used the proper size bit by hand but having trouble getting them open. Iam looking for any suggestions or tips on getting them cleaned out. Will be back on the job AM to finish the maintenance. Thanks
01-18-2011, 06:19 PM
I have a Trane direct fired MUA at one of my accounts that has a big problem with the orifices getting stopped up in the burner. The only thing I have found to clean them is a 1/16" drill bit and a cordless drill. Most of the plugged orifices are like drilling through metal. I have broken off many drill bits but have been able to get most out. You can use some light weight oil to help save your drill bits. Good luck and have fun.
01-18-2011, 06:34 PM
if it is stopped solid you need a drill bit, easiest way. If it is loose dirt you could use nitrogren and "try" to blow the dirt out with high pressure
01-18-2011, 07:47 PM
I would sujest just replacing them. Or get a orifce bit set but don't make the holes biger u will over fire the unit good luck
01-18-2011, 10:09 PM
A pin vise is very helpful for holding bits for hand drilling when the hole is in a bad place. Slow but better than broken bits or oversized holes.
Also pay close attention to hole sizes, the holes near where the gas enters may be smaller.
But IMO, if the holes can't be cleaned by hand easily I'd be suggesting replacement, and more frequent cleaning.
01-18-2011, 11:32 PM
This unit dos it have a drip leg on it if not might be a good idear to chetch some of it begot it clogs again
01-19-2011, 05:33 AM
Did you beat on the burner first with a rubber mallet?
It won't really do magic, but it does give you a beat and you can start boogying while you get back to being real still and drilling forever and ever.
Is there a harbor freight near by?
01-19-2011, 06:18 PM
drip leg? On the gas? that wont stop it. Cast burners close up easily over time
I have worked on tons on Rapid units. They run Maxon burners. The best way to service a neglected burner is..........buy a bunch of #50 and #47 drill bits, a Dremal tool, and a Dremal flexible extension kit. You need to sit there and drill all those holes out. But the great thing is once it's done, then every year you just have to real quick run the bit through with a pin vise. No high pressure gas or banging is going to get them clean. And they do clog...it's just how well they have been cleaned out every year.
Also before any cleaning should be done...inspect the mixing plates. If they are are all cracked up.....no point in cleaning. It means new burner. And don't even attempt to replace mixing plates. Not worth the time.
Powered by vBulletin® Version 4.2.0 Copyright © 2013 vBulletin Solutions, Inc. All rights reserved.