Hi Everybody,
I have just recently started W.S. repair as my new career. (yes,this is my only income)
I know I have a long way to go to perfect my technique and any information would be extremely helpful. I started my w.s. repairs in August. Since then I have done over 140 repairs. I have come across some bullseye repairs that had extremely tight cracks where the resin wouldn't flow into all of the legs. I have tried the crack expander and also applied heat on the inside of the windshield but it still did not completely fill the legs. When applying the heat with a butane lighter, I keep the flame on the outer perimeter of the bullseye(about 2 inches away from the glass and an inch outside/around the perimeter of the bullseye) and make the sign of the cross under the bullseye a couple of times.( Yes, I do pray for a good repair every time ) I try not to apply to much heat...usually 10- 15 seconds of heat in all. I am constantly moving the flame so the glass doesn't get too hot. Don't get me wrong, the glass is hot but I can still put the back of my hand against the glass without burning myself. Another technique I will try... I will apply pressure from inside the windshield using my fingures, thumb & index fingure) covered with a cloth. I apply it under the bullseye in a circular motion. This seems to help me with the normal repairs but not with the smaller, tighter bullseyes. One other point...I have gone through the cycles of inject/evacuate twice before starting the other steps and every time I follow up with these proceedures the pressure is always on the injector cycle. Any tips would be helpfull and appreciated!
Thanks for your support and the support from Delta!
PS. The windshield is dry and a good temperature
Hey Ralph,
Well it sounds like you are getting plenty of experiance. A couple things you can try. By no means does that mean these will work. You will every once in a great while run accross repairs that won't fill to your satisfaction because mabee the resin has no way to get into the space you want it to go into.
1st thing you might try is instead of using a butane lighter try a regular one. I personaly used to use a butane but it does get the windshield too, too hot. You don't have too just a sugestion. You want to heat the spot up gradualy. Once you get the glass warm/hot then use your fingers and pull up on the injector. Don't go all the way, about half way up. Hold it for about 5 seconds and see if you see any air moving on the inside of the chip. Go back to injection cycle. If that doesn't work try adding another 3 to 4 drops of resin.
2nd thing you might try is flexing the glass gently. I personaly use the puddy stick that comes with the kit. Its plastic and mabee white or blue, works better then your finger because it is more focused in pressure. Do not flex the glass if it is hot. Next you are going to flex the center of the chip several times and then go out to where the crack is and flex it.
3rd thing is a last resort and that is to cause the chip to be worse to make it better. In your drill hole take a double end scribe (looks like a dentist tool) and put the short end of the scribe in the drill hole. Take your stick and tap it lightly and that causes the chip to open up, or causes a small bullseye within your chip. I know you already have a bullseye but hey it works for me, it also may open up any trapped glass blocking your resin.
Don't get discouraged if you have to try this 2 or 3 times to get good results alternating between heating the glass, flexing the window and going between vaccum and pressure. Just takes patience and lots of practice. Sometimes no matter what you do, you might not get a perfect repair. Remember this is an art for and the goal is to do the best job you can.
Sounds like your talking about a star break?
However If your are talking about a bulls eye I have found if your having problems filling a bulls eyes slide your bridge over away from impact point take your probe and apply pressure on the impact point this helps the resin flow to the bottom yes don
Are these hard to fill legs confined with-in the perimeter of the bullseye? If so these legs are probably inside the glass cone, which sometimes is completly broken away from the rest of the windshield and just lying inside the break. These legs may be contained inside that cone, in which case can't be filled.
I have a question. I thought we where talking about a starbust within a bullseye. Are we talking about trapped air or a hard to fill crack within a bullseye????
David
Coitster
I'm not sure that's why I tried to explain in detail the break I was talking about. Sounds like you may be talking about a combination break. I was trying to give Ralph something to look for.
) I try not to apply to much heat...usually 10- 15 seconds of heat in all. I am constantly moving the flame so the glass doesn't get too hot. Don't get me wrong, the glass is hot but I can still put the back of my hand against the glass without burning myself. Another technique I will try... I will apply pressure from inside the windshield using my fingures, thumb & index fingure) covered with a cloth. I apply it under the bullseye in a circular motion. This seems to help me with the normal repairs but not with the smaller, tighter bullseyes. One other point...I have gone through the cycles of inject/evacuate twice before starting the other steps and every time I follow up with these proceedures the pressure is always on the injector cycle. Any tips would be helpfull and appreciated! 
