Torquing down a Bit in the T+3 Drills

[ForumMFG]

......Other times and I think that this was what the initial post was about you go to tighten the chuck and you will maybe get a 90 degree rotation before it stops and you can tighten the chuck appropriately.  

Yes, this is similar to how my C-12 drill operates because the thick grease that I added makes the pins a little sticky and it takes a slight rotation for them to move into position. The other C-12 drill that I did not take apart does not do this.

I haven't noticed this on the T-12 or T-15 yet, but I don't use these as frequently.

Brice, yes it appears you are spinning the gearbox slightly (as do I). It is not that big of a deal so long as you cannot rotate the motor too much. I fried the electronics on a C-12 that I took apart by spinning the motor by hand fast enough to send power backward from the motor (generator) into the electronics module.

I think I was having the same problem Brice described, dead on.  So I should be okay and tone it down a little.

 

[JJ Wavra]

......Other times and I think that this was what the initial post was about you go to tighten the chuck and you will maybe get a 90 degree rotation before it stops and you can tighten the chuck appropriately.  

Yes, this is similar to how my C-12 drill operates because the thick grease that I added makes the pins a little sticky and it takes a slight rotation for them to move into position. The other C-12 drill that I did not take apart does not do this.

I haven't noticed this on the T-12 or T-15 yet, but I don't use these as frequently.

Brice, yes it appears you are spinning the gearbox slightly (as do I). It is not that big of a deal so long as you cannot rotate the motor too much. I fried the electronics on a C-12 that I took apart by spinning the motor by hand fast enough to send power backward from the motor (generator) into the electronics module.

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Rick,

Thanks for the reply.  I should be fine then.  Sometimes it happens and other times it does not so it must be the pins setting.

JJ

 

[Brice Burrell]

I think I was having the same problem Brice described, dead on.  So I should be okay and tone it down a little.

Dave you should be fine and yes a little less torque next time. Really, there is no need to over do it on the keyless chuck, you're going to have to come to terms that a bit may fall out of the chuck on occasion. I'm liking the Centrotec system more and more so this is becoming less of an issue for me.

 

[Rick Christopherson]

.... you're going to have to come to terms that a bit may fall out of the chuck on occasion.

In my experience, bits don't fall out because they weren't tightened enough, but because they were not resting on the flats when they were tightened. Then when the bit does seat itself properly by turning slightly, it is too loose. Obviously it is not a problem with round shank drill bits, but I have this happen all the time with hex shank bits and drivers.