How do i replace lights on bubble tubes? They bubble but no lights.

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These sites should help.

First off this is really a 2 person job. You need to make sure there are no air bubbles trapped inside the brake lines. Connect a tube to the bleeder valve and submerse the end of that tube under a container of brake fluid.... As you push down on your pedal you should see bubbles coming out of the tube. Keeping pumping on the brake pedal until no more bubbles come out.

https://www.youtube.com/watch?v=lPwM2vn3bT0

They are probably made like the old Christmas tree bubble lights. These had a solution, I think it might have been calcium chloride and they were heated at the bottom end of the tube by an incandescent lamp that ran pretty hot. The lamps in your unit might be burnt out. I remember we had to tap the tubes lightly to get them to start bubbling sometimes.

Are the jets open? The center of the jets turn to adjust the pressure of the jets. If this is not the problem, there may be a problem with the impeller in the pump assembly. If you here the pump turning and not buzzing, it could be an air bubble in the suction tube. This tube is the one coming from the front of the pump, if the pump is higher than the tube coming from the tub, or if there is a high spot in the tube, an air bubble is a real possibility. If the tube is level with the pump, there should be no problem with air bubbles and the problem lies in the top part of this paragraph.

I have bubble tubes in stock. You just need to tell me which one you need. I can tell you the replacement procedure also. Please email [email protected].

You may have a plugged orifice in the pilot tube assy. If you have any way of getting to the orifice with compressed air, and blow back, it may dislodge it, if it is plugged. If possible, carefully remove pilot tube at valve end first, so that if it is debris in there, it blows clean of the tube, so it won't clog again. Otherwise you'll have to remove complete assy. Another thing to try as well, is to shut valve off, loosen fitting at valve for pilot tube, AND MAKING SURE NO FLAME OR SPARK ANYWHERE IN THE AREA, take a spray bottle with dish soap and water mixed (bubble tester) and then spray at pilot fitting when it is loose, and push pilot, to see if any bubbles appear, indicating gas flow. If no flow there, then I'd get a new gas valve.

I can sell you a replacement bubble tube. They are fairly easy to replace. I just need to know which one you need, straight, small curved or large curved. Rod Stebelton, [email protected].

If both bubble tubes has stopped working on one side then the problem is more likely to be a power issue. Somehow the power is not getting to the tube heaters. On the Wurlitzer OMT there is a small module on the inside of the main door that distributes the power to the various bubble tubes and the page turner (CD models). If the plug is loose or the wire is broken then that could cause one side to be off.

Had this prob with a RA4050. Took out the ink tube, used a pencil to push the base up the ink tube till it appeared at the top. Reloaded ink tube and was resolved. Maybe air bubble in ink tube?

I advise you try the shop where it came from for a replacement tube for it.

Failing that, 'phone the manufacturer to have one sent out.