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Thread: CQ6230 Oil Point Warning
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23rd Mar 2011, 03:51 PM #1
CQ6230 Oil Point Warning
Hi All,
I was changing gears around on the CQ6230 and turning by hand it felt a little sticky,
when I looked more closely the shaft of the lead screw gear box was not turning freely,
so after pulling the whole thing apart the problem was obvious. The shaft was running dry..
The oil way was blocked with crap, and so no oil was getting through to the shaft.
I cleaned it up as best I could and re-assembled it all. Seems fine now.. so I'll see how it goes..
But, I suspect that I just dodged a bullet, so this post is a warning to anyone else with a similar set up..
Check that the oil ways are clear. It wasn't at all obvious that it was blocked.
Regards
Ray
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23rd Mar 2011, 06:25 PM #2Dave J Guest
A good reminder post Ray, glad it didn't do any damage to your lathe.
It is not a hard to miss that one when oiling, I have missed it a few times myself because it is so tucked away.
Dave
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23rd Mar 2011, 06:40 PM #3Dave J Guest
Forgot to ask, whats the 6 allen head bolts in the sprocket? I think I can remember you making a gear for it, or am I thinking of someone else?
Dave
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23rd Mar 2011, 07:35 PM #4
Hi Dave,
That's the new idler gear I made, the aluminium plate wasn't thick enough for the bearing housing, and I needed a means of holding it in the chuck anyway.
I've been thinking, I should make up a little oil cap of some sort, to fit that hole, so as to keep the crap out, any thoughts?
Regards
Ray
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23rd Mar 2011, 07:39 PM #5Most Valued Member
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Hi Ray
What size is the hole? You might be able to get a oil cup to fit or one of those spring loaded ball bearing oiler things. Of course a little plug with a knurled handle would be more fun to make.
Stuart
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23rd Mar 2011, 07:47 PM #6Golden Member
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Ray,
Thanks for that. Believe it or not, my manual does not mention that oil hole, so I've been running the lathe for about twelve years (fortunately not a lot of total hours) and I have never put oil in that oil hole. I never really thought about it - just assumed it was a hole for a pin spanner to undo a bearing retaining collar. I'll remember it in future!
Frank.
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23rd Mar 2011, 08:07 PM #7Dave J Guest
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23rd Mar 2011, 09:52 PM #8
What about a length of copper pipe from the hole to the top of the lathe headstock so it's easy to drop a bit of oil in now and then and to get the opening away from the swarf?
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24th Mar 2011, 07:39 AM #9Most Valued Member
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24th Mar 2011, 08:19 AM #10Most Valued Member
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While looking for oil cup suppliers just now I came across this site.
The NippleShop Oil Hole Covers & Cups
with a name like that I thought it had to be worth a look. lol
bollie7
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24th Mar 2011, 09:32 AM #11Most Valued Member
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Such a great site bollie7. Such a shame they charge £79 for export orders :'(. So I guess I'll just have to use there site to find out what is available, then buy it somewhere else.
Stuart
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24th Mar 2011, 05:14 PM #12
Thanks for all the suggestions, much appreciated.
I like the one Bollie suggests. The BS15 shown below is the sort of thing that I had a mental picture of.
Searching for "oil nipples", has the potential to bring up some distracting sites (sights)...
Regards
Ray
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24th Mar 2011, 05:49 PM #13Most Valued Member
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Ray...... what size is the hole?
Stuart
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24th Mar 2011, 06:18 PM #14
Hi Stuart,
Sorry, I meant to double check that... The hole is 1/4"
Regards
Ray
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24th Mar 2011, 07:02 PM #15Most Valued Member
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I have a used 3/16 BS15 with a copper bush to bring it up 1/4. If you're not in a hurry I'll slip it in with your discs or I could post it tomorrow if you can't live without it. (I have a new 6mm one but I don't see how you could make it fit)
Stuart