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grahamd1 |
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grahamd1 Trackday Trickster
Joined: 04 Aug 2011 Karma :
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Posted: 18:02 - 13 Jan 2012 Post subject: |
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Its funny, I've been putting off doing this job for ages, as everything I read on the net or in books made it look easy, but warned of the perils if not done right, which in my eyes means an accident waiting to happen, and if its gonna bugger up it will with me doing it...
(sorry if this is a bit picture heavy, but I hope others like the detail, but then again maybe not?)
Any way here we go, rear wheel bearing replacement
I got my bearings from Fleabay
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/punch2.jpg
And I don't own any "drifts" or "punches" so I got this set from screwfix, most handy.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/punch.jpg
Heres a pic of before, the haynes manual (bloody Clymer manual doesnt even go this deep, or doesnt want to commit for fear of being sued?) suggests pushing them out by placing the hub brake side down (this makes sence as there is an oil seal that wouldn't come out no matter how I tried), and who am I to argue with experts ?
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/1.jpg
First I found a socket (17mm) that was the same size as the inner ring of the existing bearing, the reason being the internet, haynes and every place else suggested using a punch/drift on the lip of the bearing you want to push out, BUT on my CD175 the inner spacer is a dead fit between the two bearings and there is NO ledge or ridge for the punch/drift to push on!! (well at least not yet).
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/2.jpg
Being of different metals, my boyhood physics tell me that alloy will absorb heat faster than steel, so I gently heated the alloy all around prior to doing anything.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/3-1.jpg
Now I tried tapping the socket (from the brake side, due to not wanting to damage the oil seal on the otherside, and as I stated "NO RIDGE"), after hitting the socket even harder the oil seal moved, wahay. Now I had a small gap between the two bearings and I could see the inner spacer was "flopping around" inside the hub, NOW I could see the back of the bearing, by pushing the spacer over to one side. So I took a medium punch and tapped it onto the side of the brake side bearing, then pushed the spacer to the other side (12:00 oclock to 6:00 oclock) and did it again, and much like the musical version of war of the worlds, "suddenly, the lid fell off!", and the bearing came out complete with spacer.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/4.jpg
Now I could do the same and punch out the other bearing (which in turn will push out the oil seal)
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/5.jpg
Oh look theres that oil seal that would not budge
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/6.jpg
And here comes mister bloody bearing
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/7.jpg
And their out, and what a crappy bunch they look
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/8.jpg
And for comparison the new with the old
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/9.jpg
Looking down inside the hub you can see the spacer is only supported at one end, and should flop on the opposite end, but NOT if its sandwiched tight between the two bearings
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/10.jpg
Next step, I sprayed brake cleaner into the bearing housing and around the top, then wiped them over with a scotchbrite cloth (dish/pan cleaner to you)
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/11.jpg
That looks better (could eat me dinner of that)
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/12.jpg
Tried the bearing for size, no problem, hmm but its gonna take a bit to get this thing into bed, I used some grease on the bearing and the housing, and started in reverse order, the side where the oil seal came from
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/13.jpg
And using my special "Honda", bearing reinsertion tool (a 32mm socket, I chose because it just fits into the housing and fits perfectly over the outer ring of the new bearing), I gently tapped (and yes thats all it took, a gentle tappity-tap, not WACKITY-WACK) till the bearing was sitting on the ridge in the housing.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/14.jpg
One down, one to go
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/15.jpg
Dropped the spacer back onto the three support ridges (ensures it stays in the center)
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/16.jpg
Again cleaned up the housing with scotchbrite and brake cleaner, and used my special tool (32mm socket again) and again tappity-tap till she sat on the ridge, and the spacer was sitting centered between both bearings.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/17.jpg
AS the oil seal wasn't damaged (luckilly I never tried to pull it or leaver it out), so a quick clean, and it just pushed back in using my fingers only.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/18.jpg
So in the end the job took under 20 minutes including cleaning, next week (when I get the bearings), I'll do the fronts, and not dread this task any more... ____________________ XV1100, XV750
CD175 (Rebuild)
CF70 (Chaly - Rebuild), |
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grahamd1 |
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grahamd1 Trackday Trickster
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Teflon-Mike |
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Teflon-Mike tl;dr
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grahamd1 |
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grahamd1 Trackday Trickster
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pepperami |
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pepperami Super Spammer
Joined: 17 Jan 2010 Karma :
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Posted: 12:30 - 14 Jan 2012 Post subject: |
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Yes Mr Grahamd we do like the detail keep up the good work ____________________ I am the sum total of my own existence, what went before makes me who I am now! |
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grahamd1 |
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grahamd1 Trackday Trickster
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grahamd1 |
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grahamd1 Trackday Trickster
Joined: 04 Aug 2011 Karma :
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Posted: 15:28 - 15 Jan 2012 Post subject: |
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These are the new cush drive bearings
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0254.jpg
First step to get the old ones out, Bastard nasty little things, I used my torch in the end to burn the rubber portion off the centre sleave out first.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0250.jpg
Then prized the centre sleave over to one side, and using a screwdriver leaved the sleave out.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0251.jpg
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0252.jpg
With the center sleave out, next I bar-b-q'd the rubber sleave with the torch, and prized them out
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0253.jpg
Sods law, sometimes you get lucky and they pop-out with ease, other times you have to dig them out in bits.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0255.jpg
Difficult to see but buried in here is the outer sleave.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0245.jpg
After much digging and the use of the dremell Imanaged to get a start on leavering the sleaves, once it started to move it got easier
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0246.jpg
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0247.jpg
Luckilly the buggers go back in a lot easier than they come out.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0256.jpg ____________________ XV1100, XV750
CD175 (Rebuild)
CF70 (Chaly - Rebuild), |
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Teflon-Mike |
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Teflon-Mike tl;dr
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grahamd1 |
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grahamd1 Trackday Trickster
Joined: 04 Aug 2011 Karma :
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Posted: 16:38 - 15 Jan 2012 Post subject: |
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..... |
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..... Quote Me Happy
Joined: 15 Jan 2005 Karma :
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grahamd1 |
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grahamd1 Trackday Trickster
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grahamd1 |
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grahamd1 Trackday Trickster
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pepperami |
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pepperami Super Spammer
Joined: 17 Jan 2010 Karma :
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Posted: 21:23 - 16 Jan 2012 Post subject: |
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Keep up the good work Mr G ____________________ I am the sum total of my own existence, what went before makes me who I am now! |
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grahamd1 |
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grahamd1 Trackday Trickster
Joined: 04 Aug 2011 Karma :
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Posted: 12:31 - 18 Jan 2012 Post subject: |
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Now the valves are back in, I'm replacing the oil seal in the contact breaker housing, prior to restoring the rockers and camshaft.
Funny the old seal was a bitch to get out, yet the new one psuhed in with ease, guess it was just gummed up with old oil/grease.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0264.jpg ____________________ XV1100, XV750
CD175 (Rebuild)
CF70 (Chaly - Rebuild), |
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SnowTigeress |
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SnowTigeress Brolly Dolly
Joined: 23 May 2010 Karma :
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Posted: 13:16 - 18 Jan 2012 Post subject: |
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Great project...and read up...
cant believe its been nearly a year since i finished the pup....this brings back all the heart ache and reminded me what a pain in the butt it was....
and yet i havent learnt not to do it again.....looking at another project ____________________ Real bikers build their own Renovated and Riding a 1986 Honda CB125TD-C called the Pup. Full Licence 13/09/2012, 1994 Moto Guzzi 750 Strada
Can-Do Girl that does spanners TOO!
TheSmiler: binning it is better than going around a roundabout the wrong way |
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grahamd1 |
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grahamd1 Trackday Trickster
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grahamd1 |
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grahamd1 Trackday Trickster
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Tim.. |
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Tim.. World Chat Champion
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Fizzer Thou |
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Fizzer Thou World Chat Champion
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grahamd1 |
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grahamd1 Trackday Trickster
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grahamd1 |
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grahamd1 Trackday Trickster
Joined: 04 Aug 2011 Karma :
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Posted: 22:07 - 18 Jan 2012 Post subject: |
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Time to build a wheel
After some headscratching I worked out the 90deg bend spokes go from inside to outside of the hub.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0273.jpg https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0274.jpg
So I put half that way
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0275.jpg
And the other spokes I pushed in from the outside in, so one spoke one way, and the other from the opposite side
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0276-1.jpg https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0277-1.jpg
One side now has the spokes loosley inserted, then I need to do the other side that same, but in opposite holes.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0278.jpg https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0279-1.jpg
Using the pictures I took of the wheel before I started, I inserted a pen into the vavle hole for reference and noted that the spokes on the chain side were every four holes
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0280-1.jpg https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0281-1.jpg
After a few spokes, the pattern soon comes to mind, and you find you can insert the spokes almost blindfolded, just only put the spoke nut on one turn at this stage
Then once the whole wheel is built, I slowly pulled in each spoke 2 turns each, till the wheel was true, next I need to build a wheel holder so I can check the runout, but thats tomorrow, meanwhile I'm happy with the result.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0282-1.jpg ____________________ XV1100, XV750
CD175 (Rebuild)
CF70 (Chaly - Rebuild), |
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Fizzer Thou |
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Fizzer Thou World Chat Champion
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grahamd1 |
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grahamd1 Trackday Trickster
Joined: 04 Aug 2011 Karma :
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Posted: 18:54 - 20 Jan 2012 Post subject: |
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Fizzer Thou wrote: | I use an old swing arm for testing the straightness of wheels,together with some spacers that hold the hub centrally within the swing arm.
Do not forget to put some grease onto the spoke threads and where the spoke nipple seats within the rim.
Excellent write-up by the way. |
I was thinking the same, I have a few old swingarms, and yes after the bloody struggle I had to get the old spoke nuts off, I dipped all the new ones in grease, before I put them together, wont get bitten again (well I hope I wont have to take them apart, but then who knows. lol)
Not had a lot of time today, but I did get my replacment set of points (contact breakers), these are the old ones
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0283-1.jpg
Had another look at the old contacts, YUK
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0284-1.jpg
New ones installed, just wish I could find a source for the felt cleaner, as it looks like its been chewed by a rat.
https://i314.photobucket.com/albums/ll431/grahamdrry/CD175/IMAG0285.jpg ____________________ XV1100, XV750
CD175 (Rebuild)
CF70 (Chaly - Rebuild), |
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chris-red |
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chris-red Have you considered a TDM?
Joined: 21 Sep 2005 Karma :
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grahamd1 |
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grahamd1 Trackday Trickster
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Old Thread Alert!
The last post was made 12 years, 89 days ago. Instead of replying here, would creating a new thread be more useful? |
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