Penetrene, ....[get it from an auto parts store] a few drops every day for a week [don't try to undo them for all of that week as you might burr the head] then use an air ratchet gun...
If you still have problems next week I will go to step 2

i tried the penetrene on the smaller blower, but the modern"new improved" stuff was nothing like the old bottle of old stuff I inherited from dad, and nothing budged. the nuts are really too old to get a good grip on the heads are slotted screwdriver.
has anybody tried heating anything like this?

detcord

solves most of my problems

sn said...

detcord

solves most of my problems

Said detcord is the quickest way to cut down trees! [}:)] [}:)] [}:)]

you could try soaking it in a mixture of water and molasses, I was talking to and old fella(no smart comments please) that restores old tools and he said that was the process that he used to strip rust and free up parts.
Cheers
aus230

By CLR, doyou mean diluted phosphoric acid [}:)]

Test pilot 1 said...

sn said...

detcord

solves most of my problems

Said detcord is the quickest way to cut down trees! [}:)] [}:)] [}:)]

also the most fun way to remove tyres from rusted loader rims, and free up stuck dozer track pins

Land yacht,
Sounds like those blowers have been laying about for a fair while.
You are, I guess, working on the ones tying the gears to shafts etc. Some of that gear was fairly crude using a Set Screw (Sq head) and Lock nut. Others used a Grub Screw. It doesn't really matter. They can be ground off flush and center drill the screw and re-thread, if the drill runs off and damages the thread . A pain int butt but no real harm done. Either re-drill the hole in a larger size and re-tap or Braze the hole partially closed re-drill and tap or drill a new hole and tap Simple stuff. Those things were made to be repaired easily I have rebuilt 3, 2 small ones and a larger one which I have down in my Forge area along with my baby anvil and Leg Vices.
Take a close look at the construction of your blowers. Believe me they weren't made to Instrument precision but function they did and with a little care will function for a lot longer still.
Ron

PS before doing any of the above try giving them a sharp crack with a hammer and be sure to use a dolly to back up the job. Those castings were quite soft and break easily, They will braze though. a Couple of sharp cracks with a reasonable hammer and penetrene or diesel should be able to get into the thread and gently rock the bolt/screw back and forth trying to break the rust and assist the liquids to penetrate. Heat is another way to assist in the loosening of shafts screw etc.

Be careful of the castings they can break easily

yes , well. the big blower is really in the way near the shed door. I have finished a room renov and moved into that room, finished restoring a 110y old race club bench, restored a barbie, then bit the bullet and started building the new work tipper trailer.
meanwhile, after work and dinner, ive been slowly cutting up an old circular saw blade to make a few nice camping knives. when the good steel is used up , I will be back to hammering car springs, so will need the forge.
news just in , the ceiling of the lounge will be coming down over the weekend, and I need to pull the schooner out for a cleanup to sell

Ly I would also suggest that you get someone to hold a Dolly to the opposite side of the nut and you using a flat faced punch give it a good smack with a hammer. Often that will crack any rust and allow the penetrene/WD40 to get right in.

How about a pic' of this Bower?

The one I got working had been sitting for a lot of years in a paddock. I filled it with diesel and also gave the shaft ends a thump with a hammer and punch. A few days later I had it working a treat. That was about 10 years ago and it is still working a treat.

Ron

Whoa there Ly, I don't think you n me is on the same page.. Are you talking an electric Forge Blower I am talking Hand Operated Forge Blower. Plain Cast Iron housings and gear shafts born in drilled out bushings with Oiler Holes outside. which fits onto the Air Tube that runs down to the Tuyere.

Ron