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Girdraulic Grease nipple fitting locations

Brian Thompson

Well Known and Active Website User
VOC Member
Hello,
Could someone direct me in the right direction please in regards to fitting grease nipples to the links on the
Girdraulic front suspension?
I tried to find this information on the site but I must be using the wrong terminology.
In "Know thy Beast" E.M.G Stevens says to fit nipples to the FF3 on the eccentric ends at 4 o'clock and 8 o'clock. I get that the part. Its at the spindle side Id like to know how many and there location please?
Thank you
Cheers Brian
 

clevtrev

Well Known and Active Website User
VOC Member
How do you set and drill a 1/8" hole in this FF14 spindle?
What is the proper drill bit or bits?
What is proper speed ?
What is proper feed technique?
View attachment 13772
All those questions can only be answered by the the shop equipment.
I would use a fast spiral drill, in a lathe, after being centre drilled, running at around 800 rpm. The tricky bit is making sure the swarf is cleared, so a fast action withdrawal is important,with a relatively small peck, plus a good lubricant/coolant. Also a finger on the drill is good way of getting feedback as to what is happening at the sharp end. If you`ve not done this sort of thing before, forget it.
 

vibrac

Well Known and Active Website User
VOC Member
I still think we had the best idea in the Seventies use plastic bushes in the Girdraulics, and as plastics an plactic composites have improved since then, who knows what could be accomplished? But as I was saying earlier its all fashion....
 

craig

Well Known and Active Website User
VOC Member
I thougt Bramptons had cups for oiling, if so use some ZX1, a metal treatment, works wonders.
No, not these Bramptons, nothing at all.......except I can grease one spindle thru the speedo mount nipples , so my plan on that FT218 is to drill the speedo mount bolt and add a grease fitting. The other three spindles I thought drilling would be cleanest way.
 

craig

Well Known and Active Website User
VOC Member
How are you going to stop grease getting onto the friction discs of the damper........
I am not sure at this point how to address this grease/bushing/damper junction......but I see a number of Brampton forks with grease fittings at all the spindles.
I am hoping one of the "greaseable Brampton" owner/user could address this.
Girderforkgreasenipples.jpg
 

A_HRD

Well Known and Active Website User
VOC Member
Craig,
Only the Series A Bramptons had grease-nipples, but they didn't have bushes.
The Series B Bramptons were bushed (presumably with oilite?) so had no grease-nipples. (A squirt with oil every now and again was deemed sufficient).
There were lots of other A/B Brampton differences too - but that isn't relevant to this thread.
Peter B
Bristol, UK.
 

greg brillus

Well Known and Active Website User
VOC Member
Push the right side lower bushes in a little further (inboard of the friction disc's) and fit "O" rings. This will stop the grease getting to the disc's but I doubt it will hold against pressurized grease. Done this to several rebuilds on Brampton's............... works a treat.
 

bmetcalf

Well Known and Active Website User
VOC Member
All those questions can only be answered by the the shop equipment.
I would use a fast spiral drill, in a lathe, after being centre drilled, running at around 800 rpm. The tricky bit is making sure the swarf is cleared, so a fast action withdrawal is important,with a relatively small peck, plus a good lubricant/coolant. Also a finger on the drill is good way of getting feedback as to what is happening at the sharp end. If you`ve not done this sort of thing before, forget it.

This article mentions a tool that pecks at 1000 times per second!
 

Attachments

  • Engineering_Impact_Winter16.pdf
    1 MB · Views: 11

vibrac

Well Known and Active Website User
VOC Member
You know I hear about originality a lot - plating, finish,electrical wire covering, what markings were on a miller stop light even jokes about Stevenage air in the tyres, but I never hear anyone suggest using the same 1946 engineering (worn out?) tools the bikes were made with, They were a clever lot in that corner of Hertfordshire.
 

greg brillus

Well Known and Active Website User
VOC Member
Is anyone in this day and age "Really" going to ware out their spindles and bushes............I just put a few drops from an oil can onto the thrust washers, work it in and wipe off the excess. Works fine to me ......The bushes aren't that long. I grease them on assembly, and this lasts a long time. Grease and grease guns just make an awful mess. If you do ware them out, then you certainly do a "Lot" of riding ..........Replace them, It's an easy enough job.
 

Gene Nehring

Well Known and Active Website User
VOC Member
Greg,

Some of the high mileages guys here in Vancouver could do in excess of 3 thousand miles in a summer. Seems to me that three or four years that adds up.

Eugene.
 

Spqreddie

Well Known and Active Website User
VOC Member

I see the top link greaser is drilled from the top. but is much more far away from the spindle.
Can it be drilled from the bottom, closer to the spindle where there is less material?
(where I am pointing with the screwdriver in the photos)
Or it will may be interfere with the shock and steering head casting, and or no space to fit the grease gun?
I will try to find it out as soon as back in the garage.

Grease Nipples - Upper Link (1).jpegGrease Nipples - Upper Link (2).jpegGrease Nipples - Upper Link (3).jpegGrease Nipples - Upper Link (4).jpeg
 
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