The Shop > Tools
Db11 issues again :(
The Steamer:
Well shes thrown a hissy fit yet again :bang:
All has beennfine since fitting a new motor a few months back but upon turning the lathe on it tripped the main breaker for the garage,after doing this a few times in a rowci admitted there was a problem.
I checked the motor brushes and gave them a quick clean, re fitted and the lathe ran in forwords fine :dremel:
I stopped the lathe switched to reverse and when setting her off pop goes the breaker again :doh:
So I re set thinking ill just make do without reverse this time, only now it trips in forward or reverse!
Anyone have any ideas this time?
John Rudd:
Is the machine tripping an earth leakage breaker or an mccb?( moulded case circuit breaker)
If its tripping on earth leakage then you need to strip the motor and clean up the commutator end thoroughly.....what happens is the build up of carbon from the brushes can cause a leakage path to earth hence the ELCB tripping....
Lets her how you get on please.... :zap:
The Steamer:
Hi John thanks for the reply, I've just tried it again taking note of what it is tripping out. It is the RCB that is tripping not the breaker for the garage. Very similar to what it was doing last time without the motor making any effort to turn.
It's tripping the instant I push the nvr switch.
I'll strip the motor and give her a clean
John Rudd:
--- Quote from: The Steamer on October 17, 2014, 12:06:43 PM ---
I'll strip the motor and give her a clean
--- End quote ---
Ok,just make sure it is absolutely clean and dry when you re assemble it....any trace of carbon could potentially cause it to trip...
Best of luck....
The Steamer:
So it appears it's not the lathe! Theres a strip light wired to a plug (was there when we moved in)
It is plugged into the same double socket as the lathe. I unplugged the lathe and turned the light on and the RCB tripped! I unplugged the light and plugged the lathe back in and the motor now works fine!?!?!
My feeble knowledge of electrics strikes again. I'll drop the motor back in and take the lathe for a spin.
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