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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Frozen push pull cables, best approaches
I have a couple of forklifts with push pull cables.
It appears that water made its way into some of them and it freezes up and they become 100% inoperable, until thawed. On one forklift, I blame its design as rain can drip onto the ends of those cables. On the other, I am puzzled as it has a roof, and yet it does freeze up. We took off one cable, warmed up, water dripped out and now it works fine. But my question is how to prevent this from happening, as the outcome of such things is extremely alloying. That specific one cable that we took out and let water out of, looks decent, like cables on page 1236 of McMaster catalog. And yet water makes it there and it freezes up. Is there some way, perhaps, to fill them with grease? i |
#2
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Frozen push pull cables, best approaches
On Sat, 17 Dec 2016 14:57:02 -0600, Ignoramus18807
wrote: I have a couple of forklifts with push pull cables. It appears that water made its way into some of them and it freezes up and they become 100% inoperable, until thawed. On one forklift, I blame its design as rain can drip onto the ends of those cables. On the other, I am puzzled as it has a roof, and yet it does freeze up. We took off one cable, warmed up, water dripped out and now it works fine. But my question is how to prevent this from happening, as the outcome of such things is extremely alloying. That specific one cable that we took out and let water out of, looks decent, like cables on page 1236 of McMaster catalog. And yet water makes it there and it freezes up. Is there some way, perhaps, to fill them with grease? i I used to drip straight glycol antifreee down bowden cables |
#4
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Frozen push pull cables, best approaches
"Ignoramus18807" wrote in
message ... I have a couple of forklifts with push pull cables. It appears that water made its way into some of them and it freezes up and they become 100% inoperable, until thawed. On one forklift, I blame its design as rain can drip onto the ends of those cables. On the other, I am puzzled as it has a roof, and yet it does freeze up. We took off one cable, warmed up, water dripped out and now it works fine. But my question is how to prevent this from happening, as the outcome of such things is extremely alloying. That specific one cable that we took out and let water out of, looks decent, like cables on page 1236 of McMaster catalog. And yet water makes it there and it freezes up. Is there some way, perhaps, to fill them with grease? i Here's one way: https://www.motionpro.com/product/08-0182 In the 70's I bought a large syringe body with a split rubber hose on the nozzle that could be clamped on the free end of the disconnected bike throttle or brake cable to force oil in under pressure. It was tricky to get a good seal and I didn't find it with Google. The syringe has to have a solid plastic piston, rubber will swell and jam. |
#5
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Frozen push pull cables, best approaches
On Sat, 17 Dec 2016 14:57:02 -0600, Ignoramus18807
wrote: I have a couple of forklifts with push pull cables. It appears that water made its way into some of them and it freezes up and they become 100% inoperable, until thawed. On one forklift, I blame its design as rain can drip onto the ends of those cables. On the other, I am puzzled as it has a roof, and yet it does freeze up. We took off one cable, warmed up, water dripped out and now it works fine. But my question is how to prevent this from happening, as the outcome of such things is extremely alloying. That specific one cable that we took out and let water out of, looks decent, like cables on page 1236 of McMaster catalog. And yet water makes it there and it freezes up. Is there some way, perhaps, to fill them with grease? Yes, if you don't have pre-formed ends. I have always removed straight cables (bicycle, motorcycle, and boat throttle) from their housing, cleaned it up, then sprayed lithium grease down the housing bore, then sprayed the cable as I reinserted it into the housing. If you have preformed ends, it's harder. Unless you get the water out and the dirt off, the cable won't grease properly and water can stick it to the housing again. But it might help. Shake up a can of spray lithium (my favorite for cabling, but teflon or SuperLube work well, too), pull the cable out as far as possible, tape the nozzle to the housing and cable with the nozzle end at the cable housing entry, then make sure it's liquid tight. Now spray until you get some of the dirty crap out the other end. Wrap paper towels or shop rags around the bottom end to keep from having to clean up too much crap. Once the spray comes out pretty clear, stop. Now move the cable back and forth a dozen times, and spray again until it's clear. Let it dry and harden for a few minutes and you're done. For cheap new cables, go to Burden Surplus. They have great prices for those. $3-13 the last I checked. http://www.surpluscenter.com/ -- ....in order that a man may be happy, it is necessary that he should not only be capable of his work, but a good judge of his work. -- John Ruskin |
#6
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Frozen push pull cables, best approaches
On Sat, 17 Dec 2016 15:40:09 -0600, Ignoramus4447
wrote: On 2016-12-17, wrote: On Sat, 17 Dec 2016 14:57:02 -0600, Ignoramus18807 wrote: I have a couple of forklifts with push pull cables. It appears that water made its way into some of them and it freezes up and they become 100% inoperable, until thawed. On one forklift, I blame its design as rain can drip onto the ends of those cables. On the other, I am puzzled as it has a roof, and yet it does freeze up. We took off one cable, warmed up, water dripped out and now it works fine. But my question is how to prevent this from happening, as the outcome of such things is extremely alloying. That specific one cable that we took out and let water out of, looks decent, like cables on page 1236 of McMaster catalog. And yet water makes it there and it freezes up. Is there some way, perhaps, to fill them with grease? i I used to drip straight glycol antifreee down bowden cables I found a manual on push pull cables, that says that if such problems are encountered, they require replacement. https://www.munciepower.com/cms/file...ll/IN95-03.pdf i replace is best, but antifreeze often stretches the life for a while. |
#7
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Frozen push pull cables, best approaches
Ignoramus18807 wrote:
I have a couple of forklifts with push pull cables. It appears that water made its way into some of them and it freezes up and they become 100% inoperable, until thawed. On one forklift, I blame its design as rain can drip onto the ends of those cables. On the other, I am puzzled as it has a roof, and yet it does freeze up. We took off one cable, warmed up, water dripped out and now it works fine. But my question is how to prevent this from happening, as the outcome of such things is extremely alloying. That specific one cable that we took out and let water out of, looks decent, like cables on page 1236 of McMaster catalog. And yet water makes it there and it freezes up. Is there some way, perhaps, to fill them with grease? i You can buy a couple tools that clamp to cables and allow you to inject lube into them. I bought one and then made a couple larger ones to lube cables on shifter linkages. This was the purchased one. I made a larger one like it. https://images-na.ssl-images-amazon....yL._SY355_.jpg The second was nothing more than a coupler nut with two grooves in one end that held O-rings and a zerk fitting in the middle. For both styles I would flush the cables with a solvent to get old lube and crud out. Then flood them with either graphite or PTFE based dry lube. If you have room and the cables are a "common" size you might be able to get bellows that you could install over the ends of the cables to keep crud out. -- Steve W. |
#8
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Frozen push pull cables, best approaches
On Saturday, December 17, 2016 at 11:30:17 PM UTC-5, Steve W. wrote:
If you have room and the cables are a "common" size you might be able to get bellows that you could install over the ends of the cables to keep crud out. -- Steve W. Without more information , it is hard to say what is the best approach. But I would look at bellows that could be attached to the cable and jacket with some silicon caulking compound. And maybe smear some silicon rubber caulking on the jacket if it looks as if the jacket is not waterproof. I had a quick look at Alli, and you can buy bellows by the meter. Ebay might have more selection. Dan |
#9
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Frozen push pull cables, best approaches
On Sunday, December 18, 2016 at 7:56:01 AM UTC-5, wrote:
I was thinking about how to protect the extension cord for Christwas lights using a latex glove. And then thought that might work for you for a temporary fix. Dan |
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