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#1
09-08-12, 23:48
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Recently our M43 ambulance broke a rear axle, the short one. It was under no particular strain, had just been started and put in gear when there was a loud clunk and that was the end of the axle.
We replaced both axles albeit we had considerable difficulty in extracting one half of the broken axle that had become wedged. We removed and cleaned the differential and there was no further damage. The interesting point is that in our opinion the steel was defective. Sheared in the middle, each piece ended in a sharp dagger much like a wet piece of wood might have split. That it lasted 60 years is remarkable given this defect at the time of installation. The metal was crystalled and discolured. It seems likely the cause was improper heat treating combined with too rapid quencing. It would be interesting to know if others have experienced a similar short rear axle fracture as the result of defective steel. 
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#2
10-08-12, 16:09
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If I remember correctly the short shaft had problems, closer to the spline than where yours broke, I have seen two others break with both being just past the spline.
Jason
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42 Slat grill 43 Ford gpw 44 C15A Wire 5
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#3
17-08-12, 02:46
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cheap home hardware paint
Hey. Here is the paint code for the colour chip (that fell off the truck) I took to Home Hardware and had them scan on their computer. They produced this paint for me in the beauty tone rust paint. It is the brown-green paint, glossy. It works good and at around $36.00 a gallon (3.48L) can it is cheap. It is mixed to a clear base.
Product: 1823-389 size: B-Y26 Colour:H-7y 12 (could be H-74 12) Formula:2-36 I will be getting a new batch done up so I can paint my frame and undercarriage. It will also be used to paint the old green truck a solid green. I will get some better photos of the colour on the truck for you. Ewen
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1952 M37 Cdn (Shilo-RCA) 5240864 1954 M37 Cdn (Wainwright) 5442324 1984 Manac 3/4 Ton Trailer (LdSH) 914025273
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#4
23-08-12, 03:52
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paint
Here is a better photo of the green paint that I had made up.
Ewen
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1952 M37 Cdn (Shilo-RCA) 5240864 1954 M37 Cdn (Wainwright) 5442324 1984 Manac 3/4 Ton Trailer (LdSH) 914025273
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#5
23-08-12, 23:22
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Thanks very much Ewen ! I will look into that.
I have been really busy with other things but I'm itching to get going on mine again soon. Also I want to get some pictures up for you guys, just can't find the time lately. I will soon though. I promise Steve Last edited by Steve Wilson; 23-08-12 at 23:22. Reason: spelling
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#6
25-08-12, 15:57
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So I found some pictures of when I got it and started. I'll post more of progression as I get more. Enjoy.
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