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Rifles, Reloading, Optics, Equipment
Reloading
Case prep center
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<blockquote data-quote="tumbleweed7mmstw" data-source="post: 2194498" data-attributes="member: 52721"><p>Goose71, what do you mean "is running out of life"? Is the symptom? The drive motor for turning the 5</p><p>tool head spindles slowing down and sounds like the motor is laboring? If this is the case, I have a suggestion. I can't tell you how many decades old mine is, but I can say it has done 10's of 1000"s of rounds, routine neck deburring/brushing, primer pocket carbon cleaning, and (probably the hardest use and pressure on the drive system) cutting the primer crimping ring out of mil .556, .308, 9mm brass. I found what was causing the motor power and drive speed loss of the tool head spindles was the lubricant/grease used inside the base of the unit had dried up into a hard dirty paste. I do think that is caused by both the heat generated by the motor, evaporation of the solvents/oils of the grease and the contaminants from primer carbon dust/brass particles degrading the lubricant. Easy Fix. Remove the screws retaining the underside base plate of the unit ( leaving the motor retaining screws in place) then separate the bottom from the green upper half of the unit. Revealing the large center drive white nylon gear on the motor and the driven individual planetary spindles. Watch for the small metallic thrust washers located on the end of each driven tool spindle. They may stick to the bottom plate. Now remove the thrust washers and</p><p>all 5 driven spindles to clean the old had dirty grease off all the drive gears, spindle shafts, and bearing surfaces of both the upper and lower halves of the unit where the spindles seat. I like to use a quality marine waterproof grease like Evenrudes wheel bearing grease (it's reddish in color) it seems to last much longer. Applying plenty of grease to all friction areas and especially the spindle shafts where the trust washers seat in the bottom base plate and the area the shafts pass through the upper half of the units cover. This extra grease at the top of the spindles helps to keep the primer carbon dust and brass debris</p><p>from working their way down into the lubricant. I do this now as a maintenance routine when I think it is necessary. Let me know if this fixed your concern on your RCBS case prep.</p></blockquote><p></p>
[QUOTE="tumbleweed7mmstw, post: 2194498, member: 52721"] Goose71, what do you mean "is running out of life"? Is the symptom? The drive motor for turning the 5 tool head spindles slowing down and sounds like the motor is laboring? If this is the case, I have a suggestion. I can't tell you how many decades old mine is, but I can say it has done 10's of 1000"s of rounds, routine neck deburring/brushing, primer pocket carbon cleaning, and (probably the hardest use and pressure on the drive system) cutting the primer crimping ring out of mil .556, .308, 9mm brass. I found what was causing the motor power and drive speed loss of the tool head spindles was the lubricant/grease used inside the base of the unit had dried up into a hard dirty paste. I do think that is caused by both the heat generated by the motor, evaporation of the solvents/oils of the grease and the contaminants from primer carbon dust/brass particles degrading the lubricant. Easy Fix. Remove the screws retaining the underside base plate of the unit ( leaving the motor retaining screws in place) then separate the bottom from the green upper half of the unit. Revealing the large center drive white nylon gear on the motor and the driven individual planetary spindles. Watch for the small metallic thrust washers located on the end of each driven tool spindle. They may stick to the bottom plate. Now remove the thrust washers and all 5 driven spindles to clean the old had dirty grease off all the drive gears, spindle shafts, and bearing surfaces of both the upper and lower halves of the unit where the spindles seat. I like to use a quality marine waterproof grease like Evenrudes wheel bearing grease (it's reddish in color) it seems to last much longer. Applying plenty of grease to all friction areas and especially the spindle shafts where the trust washers seat in the bottom base plate and the area the shafts pass through the upper half of the units cover. This extra grease at the top of the spindles helps to keep the primer carbon dust and brass debris from working their way down into the lubricant. I do this now as a maintenance routine when I think it is necessary. Let me know if this fixed your concern on your RCBS case prep. [/QUOTE]
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