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My week this week, my workshop videos!
hermetic:
Thanks Chaps, mine is a 1955 tractor with a later 59 or 60 service replacement engine, and is also an excellent starter, but They were renowned easy to start machines, even in cold weather. The only job I am not looking forward to is draining the rear axle to clean the hydraulic filter!. Got the water pump refitted today after making new bolts (whitworth!!) as the old ones were too short due to the thicker casting on the new pump. The pulley is set for delivery tomorrow, and then next week I will be able to see if I need to make up spacers to get the pulley to line up with the crank pulley, and the fan blades to line up with the cowl. I need a hydraulic press!!
Phil
mattinker:
--- Quote from: hermetic on July 01, 2021, 01:02:25 PM ---Thanks Chaps, mine is a 1955 tractor with a later 59 or 60 service replacement engine, and is also an excellent starter, but They were renowned easy to start machines, even in cold weather. The only job I am not looking forward to is draining the rear axle to clean the hydraulic filter!. Got the water pump refitted today after making new bolts (whitworth!!) as the old ones were too short due to the thicker casting on the new pump. The pulley is set for delivery tomorrow, and then next week I will be able to see if I need to make up spacers to get the pulley to line up with the crank pulley, and the fan blades to line up with the cowl. I need a hydraulic press!!
Phil
--- End quote ---
Whitwort bolts? UNC surely! 55° threads will quite often go into 60° threaded holes!
hermetic:
Well yes Matt, thats what I would have thought, but the whit die fitted the old bolts perfectley without shaving the flanks, so They are made and fitted, and seem to be fine! I think UNC is something I will have to look out for in the tap and die field! I have UNF (actually SAE) in the shape of a massive ex WD set from 1942. We used that set to thread Richards T nut.
Phil
awemawson:
The true test is to find a 1/2" bolt on the machine. If it's 12 tpi it's Whitworth and if it's 13 then it's UNC
hermetic:
Thanks for the videos Andrew, they are a good machine, just about every farm I can think of in the locality had at least one in the sixties, it was their "BIG" tractor! Yours of course sports it's original wheels, whereas mine is blessed (?) with a pair of JCB wheels with the centre reinforcments, blessed that is until you need to buy new tyres! the ones that are on it at the moment are fine for the grass work I have to do with it, and are worn to a point where they will provide much more grip than a grass tyre, without leaving deep vee ruts. Unfortunately they are perished and have some large splits in between the ribs, so I think I feel a large purchase coming on :-( I will go for part worns if I can get them.
Phil
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