Unable to maintain seal to remove cracked screen
I'm trying to follow the repair guide for an iPod 5th generation cracked screen. I have packing tape over the face of the iPod. When I try to remove the cracked screen with the suction cup, the cup has a medium strength seal against the tape, but the tape has a very poor connection to the cracked screen. The packing tape in question is Scotch brand Heavy Duty Shipping tape. If I use a heat gun to try and soften the adhesive holding the screen in place, I seem to get a weaker seal both between cup and tape and between tape and screen. Also, are there any guidelines as to what "heat gun on low" means? I have a heat gun that runs from 250 to 1250 in 100 degree increments.
Any advice or tips on how to better maintain the seal, or otherwise remove the cracked screen?
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