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Old January 14, 2008, 11:11 PM   #1
odsixer
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Press ram sticky

Anyone have this problem? My RCBS rockchucker seems to be binding, I tried cleaning it with a degreaser but no change.
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Old January 14, 2008, 11:28 PM   #2
Al Norris
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While I'm no expert, every other week or so, I wipe off the ram as best I can and relubricate it with a very small amount of light oil - 3&1 oil seems to work fine.
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Old January 14, 2008, 11:36 PM   #3
Wildalaska
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What Al said, plus, every couple of months remove the ram and wipe the grit out of the hole in the press where it rides

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Old January 15, 2008, 01:00 AM   #4
The Lovemaster
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What Al and WildReloadingGuyInMyHometownAnchorageAlaska said.

My RockChucker gets a little sticky too, so I wipe it off and oil it with Breakfree CLP.
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Old January 15, 2008, 11:15 PM   #5
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Borrow the Singer sewing machine oil from SWMBO and remember to put it back so you don't get caught.
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Old January 16, 2008, 12:18 AM   #6
odsixer
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Thanks for the ideas!

Last edited by odsixer; January 16, 2008 at 12:24 AM. Reason: spelling
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Old January 16, 2008, 09:45 AM   #7
Horseman
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Nuts too tight

I had the same problem on the same press. I would remove and lube the ram after every session with no improvement. I knew mine was not as smooth as it should be because my friend has the same press and his is smooth as silk. The problem on my press was the two lock nuts that are near the bottom of the press were too tight. They were pulling the linkages together too tight and causing a bind. Try to loosen both nuts 1/4 turn and I bet it will instantly be better. In fact you can adjust just how much tension you want on each stroke of the ram with these 2 nuts. Light lube frequently works better than heavy grease or oil on the ram and hinges. Let us know what works. Joel
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Old January 16, 2008, 10:05 AM   #8
Edward429451
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What they said but are you sure its the ram? What are you doing when it binds? Sizing 32 acp cases or big tall 300 winmag cases?

I was getting binding (vibration) with 45/70 sizing with Imperial sizing wax, switched to Bullshop lube and everything was superslick then.

If its your ram then it should bind even when cycled empty. Is it?
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Old January 16, 2008, 02:35 PM   #9
Wildalaska
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The main culprit is primer schmutz

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Old January 16, 2008, 02:47 PM   #10
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I prefer Corrosion X for lubing these things since it prevents corrosion and creeps into places you can't see.

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Old January 16, 2008, 02:58 PM   #11
Edward429451
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Quote:
main culprit is primer schmutz
Very true. I keep Q-tips handy to run the primer slot occassionally while depriming, and after dripping oil on the ram, and before / during priming.

I've never felt the need to pull the ram and it's been fine for 20+ years.
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Old January 16, 2008, 04:56 PM   #12
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Anyone try lubricating a press with Molybdenum Disulfide? I know the Machine Tool Maintenance guys here use it on lathe chucks and machining center tool changer mechanisms. It might work real well, although I’m not sure about it’s corrosion resistance properties. I think there’s something about matching grain size to the surface finish of the parts being lubricated.
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Old January 16, 2008, 05:09 PM   #13
Wildalaska
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Quote:
I've never felt the need to pull the ram and it's been fine for 20+ years.
Is your sock drawer organized?

I can barely find my loading tools, forget about Qtips.

Besides per SWMBO..

"why you use my Qtips for making bullet...why you not have nice safety hobby....do knitting then not steal my Qtip foolish old man"

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Old January 16, 2008, 05:15 PM   #14
grymster2007
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Quote:
I've never felt the need to pull the ram and it's been fine for 20+ years.
uhh... never mind.
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Old January 16, 2008, 05:42 PM   #15
Edward429451
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Quote:
"why you use my Qtips for making bullet...
Ha. I buy my own Q-Tips. I've been down that road.

Quote:
uhh... never mind.
Translation: It must be that time then...

But if I gave it a detail now, it'd mess up my 40 yr torture test of a RC...
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Old January 19, 2008, 07:10 PM   #16
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Nuts too tight? Pulling and lubing the ram? You guys are preverts.
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