One of the most frustrating things that can happen in the shop is to have the air compressor die or a lift crap out in the middle of the work day. My Challenger 4015AXO Alignment rack did just that. The good news is we have the ability to fix it and parts were available for over night freight.
-Enjoy!
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What he said
First lift I used was a single post drum lift I think it was called. Long time ago. I miss those days.
Planned obsolescence 😮
Absolutely lube it!
Damn forgot to change ownership of cell names cecil, pronounced like a blues guy,,
Hey love your teaching of electrical, but being a mechanical part of buz,,strongly suggest you wear glasses, keep on Eric,, awesome work
Only 3 things I can think of, 1 Grease attracts dust…not good, 2 Some plastic bushes are not compatible with grease and will swell up/break down, 3 they want to increase their sales of pulleys! Rationalisation….. if you greased the other pulleys and they have lasted this long keep doing what you are doing!
Given that the machine is subject to salty water runoff and frequent hosing during the winter, I might re-engineer that whole pulley stack by having all of the sheaves rebushed with bronze and then drilling the pin axially and then across at each sheave so I could be constantly pumping fresh lube in there and sealing out or displacing any contamination.
Bringing in new sheaths, bringing in new sheaths…… 🙂
If it moves lube it. wondering why the pully,s dont have bearings instead of bushings
Millwright things … where every repair is almost a one off.
My totally mechanically self-educated self says "Lubricate". Very nice video. I seem to remember seeing a similar video somewhere some years ago.
I definitely would have lubed it with same type of lube!
I know this video is 2 years old at this point, and I am late to the party, but… The cylinder is stronger in the extension, but the shaft is much stronger when it is pulled on. If they would have made it push instead of pull, it would have needed a much larger shaft to keep it from bending.
If you would have numbered your cables starting at 0 instead of 1 you would have saved yourself 4 zip ties.
You can probably source those sheave bushing from the bearing shop and "rebuild" that spare one.
Mobilith SHC 1500 is an NLGI 1.5 Grade / ISO VG 1500 grease with a synthetic base fluid. It is intended for use in plain and rolling element bearings
operating at extremely slow speeds, under heavy loads and high temperatures. Mobilith SHC 1500 has a recommended operating temperature range of -30 ºC*
to 150 ºC with appropriate relubrication intervals. Continuous lubrication with Mobilith SHC 1500 has been very effective in prolonging bearing life in a severe
roll press application. Mobilith SHC 1500 has also provided excellent performance in rotary kiln roller bearings and in slag transfer rail car bearings
IF IT MOVES ON A SHAFT IT NEEDS LUBE IF YOU WANTED TO GET CRAZY WITH IT DRILL THE SHAFT AND BOLT PUT A GREASE ZIRC ON IT
lubb it !
lub is good
Hundred percent (💯) would’ve lubed it! Shame on that company for not drilling out the center of the pin and make it grease-able plus they should’ve made and used a hardened pin with brass bushings on the inside of each one of those discs or a hardened steel sleeve plus they should’ve used a flat radial bearing in between each pulley instead of a piece of junk plastic shim so yeah made to break! 🤔😕ðŸ§ðŸ¤¨ðŸ˜¡
Fully certified master repair tech and engineer here, so yeah… I know. 🙂 I also know that this is one of the best channels on the whole Internet so… Keep up the great work Eric and Mrs. O! One of the very few channels that I can count on one hand that I could hit the like button before I even watch it because I know it’s going to be informative and entertaining!
lube it makes good sense!
Forget the pulleys forget the cables forget the lube. Use a magnetic field to levitate the vehicle but don’t walk under the car with any ferrous metals, like your tools. lol hahaha
I have the same rack. And after 10 years, and about 6 cables and 3 or 4 pullys I started greasing them and they have lasted well beyond the first few replacements. At least the pullys have. Still have to replace cable often for stretching. They just don't make them out of very good materials. Love this channel check for new and old unseen footage daily. Thanks!
180 degree turn on the pin when taking it apart and it would have came out very easy. I would have put the pin in high enough to put three of the wheels and washers on and just stacked them on. I would also grease like you did. I would see if the old wheels could have bushings or bearings added.
if you have nylon bushes grease will attract dirt and grit, wearing out due to the abrasive nature of the grease and dirt combined acting as grinding paste, if you are still wishing to lubricate them, use dry graphite powder,
It's obvious that Vanessa is irreplaceable to this operation.
I'm glad I watched this as I'm settting up my own 4 post. Good information
Lube is Good. More lube is better. The original damage obviously occurred due to the lack of lubrication.
Very interesting. I enjoyed it.
Glad to see "The old ladder of death" in a video once again
no matter the job, lube is your friend.
dang , "monkeyfarting" i love your terminology.
Did Your Cables Stretch. one Of Mine Did
Great cordination hammering slide hammer and sheeve in unison. However, when you were trying to remove that stuck pin, had you rotated the pin 180 degrees, you would have easily been able to pull it out, since the sheeve would no longer been pulled into the groove, worn in the one side of the pin. Of course you now realize that, but we all get stuck on a single train of thought at times.
It's true that 2 heads are better than one, even if one is sometimes a bonehead.😂
Turn the pin 180 degrees it will slide right out
I would have been tempted to drill the shaft with grease ports to each pulley. Zero maintenance means zero life.
lub it
I'm surprised those pulleys didn't have bearings instead of just bushings. What a Racket!
Most definitely