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25th Sep 2016, 08:29 PM #1Most Valued Member
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- Aug 2009
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- Sydney, NSW, Australia
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- 1,836
Old Bench Drill Running in Reverse
Hi Guys
i picked up a rather old bench drill today from Gumtree it seemed to run good at the sellers house but i just hooked it up to use it and noticed its running in reverse and there is no direction switch
am i able to reverse the polarity after the ON/OFF switch and before the motor? if i am able to will this have any effect on the capacitor?
i don't want to burn anything out nor do i want to invest in a whole range of reverse drill bits
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25th Sep 2016, 09:40 PM #2Philomath in training
- Join Date
- Oct 2011
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- Norwood-ish, Adelaide
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- 59
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- 6,540
Is it single phase or 3 phase?
if 3 phase, all you have to do is swap 2 of the three wires over.
If single phase it will depend on the motor.
Michael
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25th Sep 2016, 10:41 PM #3Most Valued Member
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- Aug 2009
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- Sydney, NSW, Australia
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- 1,836
It's single phase, after watching a video on youtube i cut one of the capacitor wires and just hand turned the drill to start it that should work for now
a drill press is a heck of a lot easier to drill out a broken bolt than holding a hand drill
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25th Sep 2016, 11:03 PM #4Most Valued Member
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- Jun 2007
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- sydney ( st marys )
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- 64
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- 4,887
Depends where or what the bolts in.
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25th Sep 2016, 11:52 PM #5Most Valued Member
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- Aug 2009
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- Sydney, NSW, Australia
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- 1,836
This is what i'm trying to do pipeclay, i need to drill out those two rounded JIS screws and the tiny 2-2.5mm snapped screw
This is a jetski carburetor i was overhauling untill i stripped the screws, basically the jetski was sunk and no care was given after it was resurfaced so the salt water sat inside the carburetor chambers untill it eventually evaporated
I was given advice to drill the screw heads off i have done so but the inner piece that is screwed down is still stuck so tomorrow i will attempt to drill out the remaining bolts and possibly helicoil it if there is enough meat at the base i will have to check on the second carburetor
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25th Sep 2016, 11:54 PM #6Most Valued Member
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- Aug 2009
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- Sydney, NSW, Australia
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- 1,836
Forgot the pic
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29th Sep 2016, 10:02 PM #7Most Valued Member
- Join Date
- Jul 2006
- Location
- Athelstone, SA 5076
- Posts
- 4,255
Sounds like the start capacitor is cactus and or start windings
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