Author Topic: Another noise question -A7SS  (Read 4814 times)

Offline BSA500

  • Resident Legend
  • *****
  • Join Date: Dec 2007
  • Posts: 699
  • Karma: 4
  • Tonbridge,Kent,UK
Re: Another noise question -A7SS
« Reply #60 on: 24.05. 2016 11:41 »
I will be stripping down all the cases and flushing all oil lines and galleries. And lots of extra deep cleaning of the tank. I think(hope) the float issue is down to the roller bearing outer not being fully home in the case as I have never had this much trouble in the past 26 years setting this up  :!

Offline Topdad

  • bob hebdon
  • Wise & Enlightened
  • *
  • Join Date: May 2011
  • Posts: 2215
  • Karma: 32
  • l
Re: Another noise question -A7SS
« Reply #61 on: 24.05. 2016 11:57 »
Have you considered the SRM conversion ? One of the other benefits is that it sorts the end float .  *whistle*
" rules are made for the guidance of wise men and the blind obediance of fools"
United Kingdom

Offline BSA500

  • Resident Legend
  • *****
  • Join Date: Dec 2007
  • Posts: 699
  • Karma: 4
  • Tonbridge,Kent,UK
Re: Another noise question -A7SS
« Reply #62 on: 24.05. 2016 12:23 »
I feel I would need to sell one of my children to pay for it. Not sure the wife is that understanding. Correct me if I am wrong wasn't the early longstroke engines fixed by a ball bearing or the later A50/65's ??.

Online metalflake11

  • Resident Legend
  • *****
  • Join Date: Aug 2012
  • Posts: 579
  • Karma: 9
Re: Another noise question -A7SS
« Reply #63 on: 24.05. 2016 20:22 »
It's about £250 pounds BSA500, how much have you spent so far and got nowhere?

You seem a decent sort, who uses his bike as it was intended to be used......Often! Do yourself a big favour, get it done, and you'll not see the inside of those crank casings again for a long, long time.
England N.W
1960 A10
England

Offline BSA500

  • Resident Legend
  • *****
  • Join Date: Dec 2007
  • Posts: 699
  • Karma: 4
  • Tonbridge,Kent,UK
Re: Another noise question -A7SS
« Reply #64 on: 24.05. 2016 21:16 »
It's about £250 pounds BSA500, how much have you spent so far and got nowhere?

You seem a decent sort, who uses his bike as it was intended to be used......Often! Do yourself a big favour, get it done, and you'll not see the inside of those crank casings again for a long, long time.
Perhaps next rebuild as I want the crank balanced and a few other things.

Offline BSA500

  • Resident Legend
  • *****
  • Join Date: Dec 2007
  • Posts: 699
  • Karma: 4
  • Tonbridge,Kent,UK
Re: Another noise question -A7SS
« Reply #65 on: 08.07. 2016 20:33 »
Working on it again and a slight cock up. Loctite by the way really really holds the bearing on tight...
http://i11.photobucket.com/albums/a170/bsa500/DSC05029_zpsqj0xugit.jpg

 *sad2* *sad2*

Online muskrat

  • Global Moderator
  • Wise & Enlightened
  • **
  • Join Date: Jul 2009
  • Posts: 8026
  • Karma: 106
  • Lake Conjola NSW Oz
    • Shoalhaven Classic Motorcycle Club Inc
Re: Another noise question -A7SS
« Reply #66 on: 08.07. 2016 21:19 »
G'day BSA500.
I find the safest way to pull the bearing is to pop out the rollers (keeping them in order and direction) with a scribe, then use a bearing puller in the groove. The rollers will pop back in the cage easily.
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
Australia
Muskys Plunger A7

Online metalflake11

  • Resident Legend
  • *****
  • Join Date: Aug 2012
  • Posts: 579
  • Karma: 9
Re: Another noise question -A7SS
« Reply #67 on: 08.07. 2016 22:32 »
My thoughts are with you BSA500!.......You've certainly got some sticking power, probably even more than the Loctite!

Hope you get some luck soon.
England N.W
1960 A10
England

Online RichardL

  • Outside Chicago, IL
  • Wise & Enlightened
  • *
  • Join Date: Nov 2007
  • Posts: 4938
  • Karma: 46
Re: Another noise question -A7SS
« Reply #68 on: 08.07. 2016 22:41 »
G'day BSA500.
I find the safest way to pull the bearing is to pop out the rollers (keeping them in order and direction) with a scribe, then use a bearing puller in the groove. The rollers will pop back in the cage easily.
Cheers

Muskrat,

The last time you mentioned this, I tried testing the idea on a bearing that was already off the bike. Using an awl, I couldn't get enough bite on the rollers to remove any of them.

Richard L.
Plan on signing up for the world-wide 2017 DISTINGUISHED GENTLEMAN'S RIDE on September 30, 2018. Watch website at https://www.gentlemansride.com for details.

Online Greybeard

  • Jack of all trades; master of none.
  • Wise & Enlightened
  • *
  • Join Date: Feb 2011
  • Posts: 5683
  • Karma: 30
Re: Another noise question -A7SS
« Reply #69 on: 08.07. 2016 23:39 »
G'day BSA500.
I find the safest way to pull the bearing is to pop out the rollers (keeping them in order and direction) with a scribe, then use a bearing puller in the groove. The rollers will pop back in the cage easily.
Cheers

Muskrat,

The last time you mentioned this, I tried testing the idea on a bearing that was already off the bike. Using an awl, I couldn't get enough bite on the rollers to remove any of them.

Richard L.
Richard, I believe Musky doesn't mean the thin pointy sort of scribe; I think he means he got a member of his church to pop the rollers out!

Online duTch

  • Ricketty Rocketty Golden Flashback
  • Wise & Enlightened
  • *
  • Join Date: Oct 2011
  • Posts: 4518
  • Karma: 40
Re: Another noise question -A7SS
« Reply #70 on: 09.07. 2016 00:59 »

 
Quote
Is there any wear marks on the thrust face of the timing bush? If every thing is done correctly that's the only place that can create end float.

 I meant to mention back then but forgot,  and that is to say have a look at the thrust face at the drive side end.  Mine was worn under flush and I had to add extra thickness just to get to a starting point  *eek*. There should be a raised landing  for the bearing of a few thou.
  My main normal was also worn, and that has a 0.020" sleeve over it- not ideal,  but no choice. I also meant to mention that bit some time ago when we were discussing building up journals with weld or metal spray
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia

Online muskrat

  • Global Moderator
  • Wise & Enlightened
  • **
  • Join Date: Jul 2009
  • Posts: 8026
  • Karma: 106
  • Lake Conjola NSW Oz
    • Shoalhaven Classic Motorcycle Club Inc
Re: Another noise question -A7SS
« Reply #71 on: 09.07. 2016 07:25 »
Nice one Gb. I was an altar boy as a kid. I've certainly altered! If I walked into church now the roof would cave in on me  >:D
Richard, I've never had a problem prizing them out (both steel or plastic cage). Maybe I'm not afraid to use a bit more force  *bash*.
duTch, if that face (not intended to be a thrust face) was worn the inner bearing would have to been spinning against it  *eek*. Meaning the bearing had seized solid.
Cheers
'51 A7 plunger, '57 A7SS now A10CR, '76 XT500, '77 AG175 '83 CB1100F, '81 CB900F project.
Australia
Muskys Plunger A7

Online duTch

  • Ricketty Rocketty Golden Flashback
  • Wise & Enlightened
  • *
  • Join Date: Oct 2011
  • Posts: 4518
  • Karma: 40
Re: Another noise question -A7SS
« Reply #72 on: 09.07. 2016 09:20 »

 
Quote
duTch, if that face (not intended to be a thrust face) was worn the inner bearing would have to been spinning against it  *eek*. Meaning the bearing had seized solid.

 yep, that was about my summation too, especially with a worn journal as well. I can't remember where that one came from and know nothing of its history, but I needed a crank  and it was what was available. Twasn't until I rebuilt it this time and with another to compare that I realized what had happened  *conf*.
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia

Offline BSA500

  • Resident Legend
  • *****
  • Join Date: Dec 2007
  • Posts: 699
  • Karma: 4
  • Tonbridge,Kent,UK
Re: Another noise question -A7SS
« Reply #73 on: 02.08. 2016 11:00 »
Okay the rebuild begins again. New driveside bearing is in. Checked endfloat 26 thou so not a problem. This time I am setting up the endfloat with no conrods oil pump etc and it seems easier less resistance to side to side movement. Also I have a 7 week deadline as I am going on the distinguished gentlemans ride  *eek*

Online duTch

  • Ricketty Rocketty Golden Flashback
  • Wise & Enlightened
  • *
  • Join Date: Oct 2011
  • Posts: 4518
  • Karma: 40
Re: Another noise question -A7SS
« Reply #74 on: 02.08. 2016 11:44 »

 Good luck, I did a clutch adjustment yesterday and reminded myself to check endfloat; arbitrarily ~4thou"
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia