I've had such good luck with the B&S knowledge here that I gotta ask another question.
A B&S 2G HS (suddenly?) has started having difficulty feeding stock. All the the mechanics seem to be working but when it comes time to close the collet, the drive belt pops off the pulley. I can use the hand wheel to get it through but it takes a lot more torque than it used to. I checked the barrel cam that drives the feeder and collet and everything seems to appear OK. Can't easily check/see the linkages that drive the collet fork. Things look like they're getting lubricated well enough.
I first found that I needed to adjust the collet ring to reduce the gripping force. I thought I had it because it seem to turn easier but after a few cycles the problem recurs. I had a machinist friend help me to reduce the length of the leather belt by 1/4" but that didn't help -- it seems a bit tighter now than another 2G that I have yet still slips off the pulley.
Might any of you have some ideas on what I should check next? I can't really expect 60 parts/hr when I have to manually crank to get the stock to feed.
Thanks
A B&S 2G HS (suddenly?) has started having difficulty feeding stock. All the the mechanics seem to be working but when it comes time to close the collet, the drive belt pops off the pulley. I can use the hand wheel to get it through but it takes a lot more torque than it used to. I checked the barrel cam that drives the feeder and collet and everything seems to appear OK. Can't easily check/see the linkages that drive the collet fork. Things look like they're getting lubricated well enough.
I first found that I needed to adjust the collet ring to reduce the gripping force. I thought I had it because it seem to turn easier but after a few cycles the problem recurs. I had a machinist friend help me to reduce the length of the leather belt by 1/4" but that didn't help -- it seems a bit tighter now than another 2G that I have yet still slips off the pulley.
Might any of you have some ideas on what I should check next? I can't really expect 60 parts/hr when I have to manually crank to get the stock to feed.
Thanks