Lyman 4500 Lubrasizer Galling

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Aaron posted this 23 hours ago

Lately I have noticed that my Lyman 4500 Lubrasizer is "galling" on the upstroke. Whether using NRA 50/50 lube, SPG, or homemade Paul Matthews lube the upstroke is almost impossible to make happen. I have to literally get under it with both arms and forcefully ram it upwards with an agonizing metallic groan. It almost rips my loading bench apart. The bullet is lubed so lack of lubrication should not be the cause. It happens with both RCBS and Lyman sizing die installed.

It reminds me of the force needed to unstick a bullet with no lube on it. It even happened tonight when lubing bullets in a .377 die that had been previously sized to .376. That simply should not be happening.

Has anyone else had this happen? My RCBS lubrasizer works fine. The Lyman one is acting up. Could this be a misalignment issue?

Comments?

With rifle in hand, I confidently go forth into the darkness.

lyman lyman-4500 4500 galling

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Wilderness posted this 21 hours ago

Aaron - Have you had the linkages off lately? Incorrect reassembly is a possibility.

You are only as good as your library.

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RicinYakima posted this 20 hours ago

It is not the ram inside the die. It is lower down or the linkage. How long since you cleaned and lubed it with Lubiplate?

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Aaron posted this 19 hours ago

I haven’t torn it down ever. Surprisingly it doesn’t do this all the time. But a teardown may be needed so I’ll take some photos before I do so I can get the darn thing back together correctly. 

With rifle in hand, I confidently go forth into the darkness.

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Aaron posted this 19 hours ago

Good points everyone. I’ll look carefully at the linkage tomorrow and see if I can observe a problem. Sounds like some TLC is in order. 

With rifle in hand, I confidently go forth into the darkness.

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OU812 posted this 19 hours ago

Make sure ram or lever is not hitting the lube compression wrench on back top of lube compartment. I had this problem when I first used my rcbs lubesizer.

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Aaron posted this 7 hours ago

It is not the ram inside the die. It is lower down or the linkage.

As Richard alludes to, the lock nut was in an incorrect location. Rather than up against the ram body, I had left it all the way down. Had I read the instruction manual again, I may have not made such a stupid mistake. A classic ID-10-T error on my part.

From the instruction manual....

"Care should be used when adjusting depth to insure that the lube does not run over onto the nose of the bullet. When the setting is correct, tighten the adjusting screw lock nut and proceed with your sizing and lubricating."

 

  Good Lord. What a DOPE.

 

With rifle in hand, I confidently go forth into the darkness.

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Idahocaster posted this 5 hours ago

I assume that having the lock nut not tight allowed some play in the adjusting screw. If the screw tipped a bit the angle could cause friction and make it feel like something was galling.

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Aaron posted this 4 hours ago

I assume that having the lock nut not tight allowed some play in the adjusting screw. If the screw tipped a bit the angle could cause friction and make it feel like something was galling.

Precisely. Friction isn't the word. Stoppage is the word! It's amazing how robust this equipment is made so as to suffer the abuses we bestow upon it. I just won't relay the methods used to lift the ram or the force required to do so. Unbelievable.

 

 

With rifle in hand, I confidently go forth into the darkness.

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