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Fobco 7/8

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Mark Harris 129/10/2022 17:54:23
9 forum posts
2 photos

I acquired a 7/8 Fobco drill press today along with Jones and Shipman 540surface grinder . The drill press is a non runner. I’m hoping it’s an easy fix. But I noticed the quill does not return had quick look and no return spring. Lathes .co.uk do the spring so no problem there but the housing just spins does anyone have a drawing of this assembly or a manual please. I am also looking for a manual and any useful info on the surface grinder. Many thanks in advance Mark.

DiogenesII29/10/2022 18:50:49
859 forum posts
268 photos

..on a couple of other (but similar) drills I've owned the drum is rotated to adjust the tension and then locked by a square-headed screw in the head casting which bears on the drum spigot.. ..could it be underneath, pointing up..?

Edited By DiogenesII on 29/10/2022 18:51:45

Ady129/10/2022 18:57:29
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6137 forum posts
893 photos

There will be someone out there who has done one, utube is best for you imo

Some blokes strip down brand new gear to its parts as soon as they get it home and upload it

Ian Parkin29/10/2022 18:58:34
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1174 forum posts
303 photos

The spring housing has a small ball bearing with a quite powerful spring pushing on the housing so you can only turn it towards making the return action stronger theres a small hole nearby that you can poke a small rod into to release the ball..

Edited By Ian Parkin on 29/10/2022 18:59:01

Ian Parkin29/10/2022 19:09:21
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1174 forum posts
303 photos

The hole near the front has a spring in it with the ball the hole behind lets you release the ball1533149e-7c0e-49c5-b0f5-e1f29c45314e.jpeg

Mark Harris 130/10/2022 17:24:26
9 forum posts
2 photos
Posted by Ian Parkin on 29/10/2022 19:09:21:

The hole near the front has a spring in it with the ball the hole behind lets you release the ball1533149e-7c0e-49c5-b0f5-e1f29c45314e.jpeg

Thanks for the reply I’m assuming that your picture is of a Fobco Star !? There is a one hole underneath that feels like it has a ball bearing in it. It does release the drum to spin both ways if I insert a screwdriver. I have now found out that the contractor inside has a burnt out coil. So I’m trying to source one the will fit inside the machine. Thank you to everyone else who replied. mark

Ian Parkin30/10/2022 18:50:21
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1174 forum posts
303 photos

Well i posted the picture as you were asking about a fobco 7/8 which the picture is of..if you want a picture of a star ask away

Mark Harris 130/10/2022 18:54:42
9 forum posts
2 photos

My 7/8 must be different yours then !

Ian Parkin30/10/2022 19:12:01
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1174 forum posts
303 photos

Well lets see a pic then?

Mark Harris 130/10/2022 19:53:16
9 forum posts
2 photos

1dbd8015-be91-4254-b160-48e9049b30bf.jpeg

Mark Harris 130/10/2022 19:53:33
9 forum posts
2 photos

b3af50c4-1415-4f5b-9c67-0bb0fd094868.jpeg

Ian Parkin30/10/2022 20:02:45
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1174 forum posts
303 photos

Same machine mines just got another hole in the top

Ian Parkin03/11/2022 16:58:25
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1174 forum posts
303 photos

This is the spring housing removed from the body and the spring and ball

b7f45ad2-0020-4264-a46b-508ff3735416.jpeg

5cf69f2e-33f8-4c62-b373-8825dfbbc849.jpeg

Mark Harris 103/11/2022 18:15:40
9 forum posts
2 photos

Mine appears act as a one way clutch. Does yours do the same

Ian Parkin03/11/2022 19:31:21
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1174 forum posts
303 photos

Yes as i said it only allows you to tighten the spring return action if you want to loosen it you push the ball off the housing and it will loosen it

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