EyeJay Posted April 4, 2023 Report Share Posted April 4, 2023 Hi guys, I have a #4 Stanley sweetheart plane. I have a problem with the depth adjustment. When I try to pull the blade up the knob starts to unscrew. So I remove the knob and spin it with my fingers. veeery annoying. I don't want to glue the knob to the rod in case if I need to clean or do some maintenance on it. Any advice on how to fix this? thanks! Quote Link to comment Share on other sites More sharing options...
Chestnut Posted April 4, 2023 Report Share Posted April 4, 2023 I"m not understanding the problem. Can you post some pictures circling the items your discussing and how the problem presents? Quote Link to comment Share on other sites More sharing options...
Immortan D Posted April 4, 2023 Report Share Posted April 4, 2023 I think your knob is not properly installed. The adjusting lever that comes from the frog is supposed to be inside the slot in the adjusting wheel: Quote Link to comment Share on other sites More sharing options...
EyeJay Posted April 4, 2023 Author Report Share Posted April 4, 2023 Sorry for being unclear! this knob there, when I turn it counterclockwise - it is moving the blade up. At some point the knob itself gets unscrewed from the rod and the only way to pull up the blade is directly with my fingers. Quote Link to comment Share on other sites More sharing options...
EyeJay Posted April 4, 2023 Author Report Share Posted April 4, 2023 the model I have is this one: https://www.stanleytools.com/product/12-136/no-4-sweethearttm-smoothing-bench-plane Quote Link to comment Share on other sites More sharing options...
Popular Post Immortan D Posted April 4, 2023 Popular Post Report Share Posted April 4, 2023 I'm not familiar with that plane, but I guess you could use Loctite 222 to lock that thread. 2 1 Quote Link to comment Share on other sites More sharing options...
RichardA Posted April 4, 2023 Report Share Posted April 4, 2023 On 4/4/2023 at 11:30 AM, Immortan D said: I'm not familiar with that plane, but I guess you could use Loctite 222 to lock that thread. Exactly my thought, or you could contact Stanley and get their opinion, they may be able to replace the part at little expense. 1 Quote Link to comment Share on other sites More sharing options...
Tom King Posted April 4, 2023 Report Share Posted April 4, 2023 Yeah, locktite needs to be on that or it will do what you're experiencing. Don't crank down on the pressure screw too tightly, or you can end up stripping something. It just needs to be snug, not Tight. Someone may have tightened the pressure too tight, and then broke loose the thread locker in the knob by trying to overcome the excess pressure. 1 Quote Link to comment Share on other sites More sharing options...
RichardA Posted April 4, 2023 Report Share Posted April 4, 2023 Locktite was my motorcycle "stick'em". Big bikes vibrate real bad when they get old, and parts will fly. 1 Quote Link to comment Share on other sites More sharing options...
wtnhighlander Posted April 5, 2023 Report Share Posted April 5, 2023 I have that exact plane, and have never had the adjuster knob unscrew itself. Sounds like the cap screw was tightened too much at some point. Loctite does sound like a good solution. 1 Quote Link to comment Share on other sites More sharing options...
EyeJay Posted April 5, 2023 Author Report Share Posted April 5, 2023 Thanks everyone for your opinions! I'll try Loctite and will contact Stanley, see what they will come up with 1 Quote Link to comment Share on other sites More sharing options...
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