Removing stuck drill chuck the hard way – cutting it with grinder

Recently chuck of my Skil hammer drill (Skil 6785 750w hammer drill) got stuck while drilling some concrete. After some googling found few instructions how to remove stuck drill bit. But after removing drill bit I noticed that chuck itself is not functioning normally anymore. So it had to be replaced also. But after few failed attempts to unscrew the chuck it was clear that I will not be able to do that - its stuck like it was welded. Having no more ideas I took my grinder and decided…

Continue Reading

Repairing HAMEG HM-605 oscilloscope trigger problem

Bought used HAMEG HM605 oscilloscope with trigger problem. Tested it with sine wave and yes, cannot trigger it nor with automatic trigger neither manually. Decided to resolder all contacts near the trigger switch. Luckily it was easy accessible, just had to remove cover. After resolder next test revealed that sometimes trigger works, and sometimes not. Just a slight touch (no pressing) on external trigger button seems to be cause. So I resoldered all the contacts of ext trigger switch and some around and triggering started working as intended. Fixed. https://www.youtube.com/watch?v=Gkyj85Is7uw

Continue Reading

End of content

No more pages to load

Close Menu