Ok guys. ,,,, need some electrical switch help.. on my new to me, Chin Hung lathe I found that the 2speed selector switch had broken inside 5hat panel, only allowing a low speed selection. The switch pic is attached. Any ideas.
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Tips/Techniques Switch problems
- Thread starter Shoprat
- Start date
Tips/Techniques
What input are you looking for?
I agree. It looks broken to me too.
Looks like it has been hit or otherwise physically damaged. It does not look like it got damaged by an electrical problem.
Which is a good thing. You can just replace it and hope everything works the way it should.
I agree. It looks broken to me too.
Looks like it has been hit or otherwise physically damaged. It does not look like it got damaged by an electrical problem.
Which is a good thing. You can just replace it and hope everything works the way it should.
pretty standard switch, and yours is toast.
Wiring diagram of the switch:
www.yoycart.com
Any chance there’s a wiring diagram on the lathe?
PA stocks generic modular switches that can be configured to duplicate the existing switch.
Wiring diagram of the switch:
Hot ST-302-2A2B Choice Switch SHANHO Taiwan Mountain River
Hot ST-302-2A2B Choice Switch SHANHO Taiwan Mountain River on sale,buy cheap Hot ST-302-2A2B Choice Switch SHANHO Taiwan Mountain River from the best shopping agent yoycart.com
Any chance there’s a wiring diagram on the lathe?
PA stocks generic modular switches that can be configured to duplicate the existing switch.
No not that I could find. This present switch has a zillion parts. Have you ever ordered from yoycart?pretty standard switch, and yours is toast.
Wiring diagram of the switch:
Hot ST-302-2A2B Choice Switch SHANHO Taiwan Mountain River
Hot ST-302-2A2B Choice Switch SHANHO Taiwan Mountain River on sale,buy cheap Hot ST-302-2A2B Choice Switch SHANHO Taiwan Mountain River from the best shopping agent yoycart.com
Any chance there’s a wiring diagram on the lathe?
PA stocks generic modular switches that can be configured to duplicate the existing switch.
I just grabbed the yoycart info as the first one I could find that had a switch diagram. Questions:
Does your lathe have a control box with fuses/breakers and relays?
How many wires going to the existing switch?
Might be able to work out the Princess Auto part numbers to make up a replacement switch.
Does your lathe have a control box with fuses/breakers and relays?
How many wires going to the existing switch?
Might be able to work out the Princess Auto part numbers to make up a replacement switch.
I will be back in the shop a little later, going to grab you a bunch of shots.
Exactly what I've been pondering......
Through a gross misunderstanding of how a valve worked, I once set fire to a Terex Titan earthmover. $100k up in smoke.
Did you know that mid-70s Freightliners made in BC were positive ground? And a 10 amp fuse on a 5 amp short to ground will never blow? But 5 amps at 24 volt is enough to start a fire? I learned this.
Much of human ingenuity gets wasted on discovering new ways to destroy things.
Did you know that mid-70s Freightliners made in BC were positive ground? And a 10 amp fuse on a 5 amp short to ground will never blow? But 5 amps at 24 volt is enough to start a fire? I learned this.
Much of human ingenuity gets wasted on discovering new ways to destroy things.
Last edited:
Former Member
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This falls under "Do as I say, don't do as I do....."
If you look at the original photos in the post, they appear to be bent a bit.....