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Old 05-29-2014, 09:35 AM   #11
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Good to know zs325RES. Is something like this with a hex center available in a better grade?

Now I'm worried about storing things in my dinette benches as it looks like the less weight the better on these things.
Once it is replaced, lube it and forget it. A static load won't break it. The original might have be slightly out of time and broke the 2 or 3 teeth off. Have seen powdered metal gears temporarily repaired using brazing rod and build a single tooth back up. Won't last long tho'.
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Old 05-29-2014, 09:56 AM   #12
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The rack was lubed with dry lube 2 months after delivery. RV is 5 months old with about 40 days of camping. Not sure how many cycles on the slides, I also extend and retract the slides while in storage to do things in and on the RV. We didn't hear any popping or strange noises till it wouldn't extend. Guess I'll follow OC's advise and put it back together lube it up and enjoy the RV again once I get the gear pack. I'll make it part of my monthly maintenance to lube slide gears. Delivering dealer said lube not necessary on the slides. "RIGHT"
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Old 05-29-2014, 02:03 PM   #13
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I put the old bearing pack on the workbench, Cleaned the rollers (2) that the slide rides on either side of the gear. I used my dial indicator to test the runout in each roller One roller had .005/1000 runout the other had .028/1000 runout (out of round). Don't know what the tolerance is on these rollers but I would think the latter may be out of tolerance. You better believe that I will be checking the new gear pack when I get it. Makes me wonder about the remaining 3 gear packs under the slides.
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Old 05-29-2014, 08:59 PM   #14
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I put the old bearing pack on the workbench, Cleaned the rollers (2) that the slide rides on either side of the gear. I used my dial indicator to test the runout in each roller One roller had .005/1000 runout the other had .028/1000 runout (out of round). Don't know what the tolerance is on these rollers but I would think the latter may be out of tolerance. You better believe that I will be checking the new gear pack when I get it. Makes me wonder about the remaining 3 gear packs under the slides.
Sure don't like hearing that, keep us informed.......Thanks
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Old 05-29-2014, 09:26 PM   #15
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Sure don't like hearing that, keep us informed.......Thanks
Not to worry Glenn, it is by far not a precision gear and track. 0.028 is not a significant amount of run out on something as crudely built as the track mechanism on our slides. There is probably that much slack in the shaft/bushing/roller/gear clearances, but it is nice to have this information.
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Old 05-29-2014, 09:51 PM   #16
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OC is more than likely correct as less than 1/32" isn't allot. I was checking all I could and wondering how much is too much. Those rollers carry the weight of the slide. Wire brushed all the gear tracks and lubed with dry graphite. Waiting on new part now.
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Old 05-29-2014, 09:56 PM   #17
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OC is more than likely correct as less than 1/32" isn't allot. I was checking all I could and wondering how much is too much. Those rollers carry the weight of the slide. Wire brushed all the gear tracks and lubed with dry graphite. Waiting on new part now.
It's a pretty crude mechanism to say the least, but it should be more than capable of being trouble free for the most part if just kept reasonably clean and lubed. It is pretty well protected in the stow position which is a plus.
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Old 05-30-2014, 10:39 AM   #18
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X2 regarding OC posts , spot on.

A cut steel gear would be stronger, but very 'expensive' in the eyes of the RV industry, plus the hex bore is more easily reproduced as a PM part.

You will be OK with the new parts. I think you had a defective gear (material) to start with. I does make me question my Lippert slide mechanisms though...
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Old 06-06-2014, 02:03 PM   #19
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Got the gear replaced. Lubed it up like OC said, ran it in and out several times, runs smooth as silk. Took about an hour to install and adjust for it to pull out and retract evenly. FR sent the gear pack, no charge. Tools needed, a 9/16" wrench and socket, 7/16" wrench and socket and a tape measure to be sure the slide sits square.
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Old 06-06-2014, 04:37 PM   #20
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Glad to hear it came to a quick resolution. Hope the new one will be trouble-free.
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