Grizzly lathe problem

C

cmike

Guest
Hi, I have a grizzly 16X40 gunsmith lathe and after shutting it down and blowing the chips off, it is kicking breaker FU2. The wiring diagram shows this to be the breaker for the work lamp. If the emergency stop switch is pushed the work light and the power lamp will come on when the breaker is reset, but when you reset the emergency stop to on it kicks the breaker. In the wiring diagram it looks like the only thing on that breaker is the work lamp. Anybody got any ideas? Thanks in advance.
 
First...disconnect the lathe from electric power or turn off the breaker in your wall panel that feeds the lathe...then open the electrical panel on the lathe and check all screw held connections to ensure none are loose..a slightly loose connection can cause excessive heat build up or shorts which will cause a breaker to pop off...
Maybe Mustafa will chime in here with some insight...if not call Grizzly Tech Support tommorrow..!



Good Luck..!

Eddie in Texas
 
Make sure everything is off on the lathe. Work light, main control on the apron, coolant pump etc. You may have blown a chip across a set of contacts/wires on the main switch if it's exposed. It's just under the gear box, to the left of the apron, at the end of the control rod that your main control switch rotates when turning the machine on and off. Check there first with power off.

If there are no chips on the switch try to turn the power back on. If the breaker stays set turn on one feature at a time until the breaker trips, that’s most likely the source of your trouble.

If FU2 is tripped and the work light still works, that’s not the breaker for it. They may have it on FU3 by mistake. The diagram circuit shows wiring that comes from FU3 to the E Stop and power lamp and then to the spindle rotation switches. That would be another area I looked at to make sure there are no shorts.
 
I know this doesn't help but one of the first things I learnt in metalwork when in high school was to "NEVER" blow chips of any machine........the reason was the air will blow those chips where they shouldn't be......like in between slideways etc. I always use a brush to brush everyting off the lathe and then clean out the chip pan..........Ian
 
ian_owen said:
i know this doesn't help but one of the first things i learnt in metalwork when in high school was to "never" blow chips of any machine........the reason was the air will blow those chips where they shouldn't be......like in between slideways etc. I always use a brush to brush everyting off the lathe and then clean out the chip pan..........ian
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