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+--- Thread: Small quiz; brakes are dragging. (/showthread.php?tid=4471)
Small quiz; brakes are dragging. - max - 11-26-2021
Changed the front tire today, all went well, cable ties went good, tire direction on the wheel was fine, the bead set ok at 2.5 bar, bushes installed on the correct side, lube on the seals and shaft and everything mounted perfectly except.........
Breaking the bead, very easy and quick,
don't worry, the rim was supported, this is just a mock-up to show how it's done;
The brakes were dragging, they never drag; what went wrong
Balancing the wheel by using an alu rod, the tire settles as i rotate the rod left and right, nothing fancy and it works,
The stand is a home made paddock stand for my cb919 hornet;
Answer tomorrow
RE: Small quiz; brakes are dragging. - dave - 11-27-2021
The brakes were dragging, they never drag; what went wrong
Hi Max, do I win a prize if I answer the question properly?
Ok, here's my guess: Your pads were worn prior to changing them, causing the fluid level to lower in the brake reservoir. You added fluid to the reservoir to bring it back up to the desired level (this compensated for the worn pads). After you replaced the pads the pistons were forced to move back further, displacing more fluid in the brake reservoir. The reservoir became over-filled with the new pads, causing brake drag.
Do you use a tire changer to replace your tires, or do you use tire irons? Do you use rim savers? What kind?
RE: Small quiz; brakes are dragging. - Houtman_imp - 11-27-2021
I would think that Max kept his eyes on the fluid level in the reservoir when he replaced the pads but perhaps he drunk too many Fosters ???
RE: Small quiz; brakes are dragging. - peterbaron - 11-27-2021
(11-27-2021, 09:41 AM)Houtman_imp Wrote: I would think that Max kept his eyes on the fluid level in the reservoir when he replaced the pads but perhaps he drunk too many Fosters ???
This IS very accurate statement John
RE: Small quiz; brakes are dragging. - Cormanus - 11-27-2021
Houtman, I’m not sure a self-respecting resident of New Zealand would be caught dead drinking Fosters. I’m not sure too many Australians would either.
RE: Small quiz; brakes are dragging. - Tev62 - 11-27-2021
(11-27-2021, 12:57 PM)Cormanus_imp Wrote: Houtman, I’m not sure a self-respecting resident of New Zealand would be caught dead drinking Fosters. I’m not sure too many Australians would either.
Definitely not Australians
https://youtu.be/MVQRHBZKMBo
RE: Small quiz; brakes are dragging. - Cormanus - 11-28-2021
XXXX is the local Queensland brew. The joke elsewhere is that it’s called XXXX because Queenslanders can’t spell beer.
RE: Small quiz; brakes are dragging. - Houtman_imp - 11-28-2021
No news from Max yet , is he still having a hangover ?
RE: Small quiz; brakes are dragging. - GoldOxide_imp - 11-28-2021
(11-28-2021, 06:20 AM)Cormanus_imp Wrote: XXXX is the local Queensland brew. The joke elsewhere is that it’s called XXXX because Queenslanders can’t spell beer.
RE: Small quiz; brakes are dragging. - max - 11-28-2021
The longest day Houtman
The solution was very simple; i knew something was wrong but everything looked in place, except....
The wheel ROTATION was backwards so the pads were bedded in on the disks but now did not match the pattern of wear.
Simple but interesting effect, once the wheel was turned around everything was fine as usual.
Dave i just use 3 large 600 mm. tyre irons, you can see them in the middle picture and plastic rim protectors in between the rim.
With the cable ties on the tire and lube on the working surfaces it was easy to get the tire back on the rim, once on you just remove the cable ties with a stanley knife to move the locking tabs back to unlock the ties and re-use them next time, place the tire so there is no force on the tire and inflate until the beads set.
I use a 5 liter garden pressure weed sprayer ( the orange thing in the last picture ) and a clear plastic hose that just fits the sprayer and the valve, i clamp the hose, pump up the pressure in the tank and release the clamp to quickly get the pressure inside the tire and it seats on the rim, done the same thing last time with a co2 cartridge, same effect.