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rowan-bradley replied to the topic Allen scythe removing the wheels in the forum Pedestrian operated machines 4 months, 3 weeks ago
I am still struggling to remove the wheels on this machine. Mine does not seem to have hex grub screws in the hubs. I think I can see the surface of the axle at the bottom of the hole. So either I removed these screws in some previous attempt (and forgot doing it), or it never had them when I got the mower. Does anyone know what the thread of…[Read more]
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rowan-bradley replied to the topic Restoring magneto on Allen Scythe, Villiers 25c in the forum Pedestrian operated machines 3 years, 1 month ago
What is the best thing to do about the spring loaded felt pad, which I suppose is designed to lubricate the contact breaker cam? Can I restore the old one in some way (soak it in petrol, or wash it?)? Or do I need to buy a new one (Villiersparts have them)? Presumably it needs to be soaked in oil? What sort of oil?
Thank you – Rowan
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rowan-bradley replied to the topic Villiers coil readings in the forum Help and information 3 years, 1 month ago
I know this is a very old post and is probably of no interest to anyone, and I know the recommendations to get a proper magneto test done, but for interest, these resistance readings are very similar to the ones I got today from my coil (from an Allen scythe with Villers 25c engine): 0.5 ohms for the primary, and 2.72K for the secondary.
Rowan
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rowan-bradley replied to the topic Restoring magneto on Allen Scythe, Villiers 25c in the forum Pedestrian operated machines 3 years, 1 month ago
One more question:
7. My magneto has no cover over the round compartment containing the contact breaker. I don’t know whether it never had one, or whether a previous owner lost it. The spring clip that is designed to retain the cover in place is there. Do I need to find one or make one? Does any one sell these?
Thank you – Rowan
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rowan-bradley started the topic Restoring magneto on Allen Scythe, Villiers 25c in the forum Pedestrian operated machines 3 years, 1 month ago
I have removed and dismantled the magneto. Now I need to decide what bits to replace. I am loath to spend money replacing bits that are still good.
1. I have measured the resistance of the coil, the primary seems to measure about 0.5 ohms. Is this likely to be correct, or does it suggest a short somewhere? The secondary seems to measure about…[Read more] -
rowan-bradley replied to the topic Which type of bead blaster? in the forum Pedestrian operated machines 3 years, 1 month ago
This is all a bit of an experiment, since I have not done this before. Maybe you are right, and I need a cabinet, and/or a pressure fed gun. But first I’d just like to see what I can achieve with just the hand held gun. If it’s ineffective, or uses too much media, I will consider subcontracting the sand blasting, or buying a cabinet.
Thanks – Rowan
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rowan-bradley replied to the topic Which type of bead blaster? in the forum Pedestrian operated machines 3 years, 1 month ago
Thanks for your reply. Yes, I understand not to use sand. The parts I’m thinking of blasting are rusty parts of machines, e.g. a mower, a space heater, an air compressor, a power hacksaw, a lathe. I may also have a go at the rusty fence outside my home. I was thinking of not buying a cabinet, just the hand held gun, and doing the work outdoors. I…[Read more]
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rowan-bradley started the topic Which type of bead blaster? in the forum Pedestrian operated machines 3 years, 1 month ago
I have some pieces of machinery to clean prior to painting. They have a lot of old paint, rust and dirt on them. It seems pretty difficult and time consuming to get them clean enough with a rotary wire brush or with sandpaper, so I am considering buying a bead blaster to help with this. But I’m confused about all the different types available.…[Read more]
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rowan-bradley replied to the topic Allen Scythe access to clutch in the forum Pedestrian operated machines 3 years, 1 month ago
I have concluded that I need to remove the wheel. The current challenge is to remove the gib key. I am going to try using a wedge under the head of the key, and if that doesn’t work, I’m going to make a special puller. Lots more fun!
Thanks – Rowan
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rowan-bradley replied to the topic Allen scythe access to magneto in the forum Pedestrian operated machines 3 years, 1 month ago
I got the cowl off thank you having removed those three extra bolts, and I got the starter pulley off. I had to buy a puller, and then I had to buy a longer central bolt for the puller, but after that it came off without too much trouble. Still got to get the flywheel off (waiting for delivery of the special Villiers Hammertite spanner). Then…[Read more]
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rowan-bradley replied to the topic Allen scythe access to magneto in the forum Pedestrian operated machines 3 years, 1 month ago
Thank you for that. Does anyone know how to remove the starter pulley, which seems to need to be removed before the cowl can be removed. I have undone the two bolts in the middle of it, but what do I need to do then? I don’t want to put too much force on it, or to hit it with a hammer, since judging by the number of machines that I have seen with…[Read more]
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rowan-bradley replied to the topic Allen Scythe access to clutch in the forum Pedestrian operated machines 3 years, 1 month ago
To do that, do I need to remove the wheels? Or can the guards be removed without removing the wheels in some way (without destroying them)?
Thanks – Rowan
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rowan-bradley replied to the topic Allen Scythe access to clutch in the forum Pedestrian operated machines 3 years, 1 month ago
Yes, I get that, but can you please explain which bits are inside the gearbox and which outside? Presumably the operating rod must enter the gearbox via some kind of oil seal or gland? Part of my trouble is that my machine is fitted with the axle guards which means that I can’t see any of this.
Thanks – Rowan
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rowan-bradley started the topic Allen scythe removing the wheels in the forum Pedestrian operated machines 3 years, 1 month ago
Can someone please explain exactly how to remove the wheels on this machine? Or perhaps more importantly, what stops the wheel coming off in normal use? My machine has the ratchet axle. If I look at the hub, there is a hex socket headed grub screw in one side. This is surely not enough to hold the wheel on in normal use? What is its function? I…[Read more]
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rowan-bradley started the topic Allen scythe access to magneto in the forum Pedestrian operated machines 3 years, 1 month ago
Yet another question about the Allen scythe model T with the Villiers 25c engine. How do I get access to the ignition system (coil, contact breaker, capacitor etc.)? It seems that I have to remove the cooling cowl. How do I do that? I have removed the two bolts into the cylinder head, but it doesn’t move, and I can’t see any other fixings.
Also I…[Read more] -
rowan-bradley replied to the topic Allen Scythe access to clutch in the forum Pedestrian operated machines 3 years, 1 month ago
Thanks for your reply. I have the manual too, but I find it difficult from the drawings provided to see exactly where the dog clutch is. I will attempt to take the top of the gearbox off, if this proves not too difficult. Does anyone know whether there should be a gasket between the top and bottom of the gearbox? What material should it be made…[Read more]
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rowan-bradley started the topic Allen Scythe access to clutch in the forum Pedestrian operated machines 3 years, 1 month ago
The dog clutch on my Allen Scythe seems to have jammed. To get access to this I guess that I have to remove the Axle Guard, which is fitted on my machine. How do I do this? Do I have to remove the wheel? I hope not, since I gather from chat about this machine that this can be a tad difficult.
Thank you – Rowan
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rowan-bradley replied to the topic Changing oil in an Allen Scythe in the forum Pedestrian operated machines 3 years, 1 month ago
Can I just remove all the bolts around the gearbox, and lift the top off to clean out any old oil/sludge, and inspect the gears for damage? To do this presumably I have to support the bottom of the gearbox on a pile of bricks or similar, because I think the top of the gearbox supports the whole weight of the machine. I guess one has to take all…[Read more]
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rowan-bradley replied to the topic Allen Scythe Cutter Bar in the forum Pedestrian operated machines 3 years, 1 month ago
That sounds a good plan. I will give it a go. By “bending the individual fingers” do you mean bending the actual finger (which I think is cast, and would break rather than bending), or bending the bar underneath each finger (which sounds a very difficult process, because each bend would affect the whole bar, not just the one finger). I would have…[Read more]
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rowan-bradley started the topic Allen Scythe Cutter Bar in the forum Pedestrian operated machines 3 years, 2 months ago
I have just discovered that the Allen Scythe that I am trying to restore has a bent finger bar. If you lay the finger bar on a level surface, the normal way up, the centre is touching the surface, but the ends are about 8mm above it. Presumably it’s not meant to be like this? Do I just try to bend it back, or do I need to try to make a new one?
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