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  #121  
Old 09-11-19, 05:05
Jacques Reed Jacques Reed is offline
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Default Ford CMP horn- restoration

Good Day,

Here is another project I finished over the winter.

A year ago I looked at ways to repair rust holes in the diaphragm on a Ford horn. I put it on the back burner as I do when a solution doesn't quickly spring to mind.

A replacement diaphragm was not forthcoming so I thought of ways to seal the holes at least to prevent ingress of water. I discounted solder as that would probably fall out over time with vibration. Brazing or welding was out due to the possible heat effect on the diaphragm which I think is type of spring steel or tempered steel to allow for it to flex during vibration.

I found some vinyl inflatable pool patches in the shed and thought that might be a solution if glued to the diaphragm. Being thin, Light weight, and flexible it should not greatly affect the resonance of the diaphragm.

I tested a piece of it on a tin can using Sika Flex contact adhesive and it took all my strength to pull it of after it cured so I gave it a go.

It stuck well, and after reassembly and putting it across a 6V charger it blurted out a loud sound for the first time I would imagine in quite a few decades. Looking at the original condition I really didn't think it would work so it was a very pleasant surprise.

Cheers,
Attached Thumbnails
IMG_0014 (3).JPG   IMG_0092.JPG   IMG_0006.JPG   IMG_0110.JPG  
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Last edited by Jacques Reed; 09-11-19 at 05:11.
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  #122  
Old 09-11-19, 13:36
David Herbert David Herbert is offline
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Well done Jacques, a very creative solution !

David
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  #123  
Old 10-11-19, 02:28
Jacques Reed Jacques Reed is offline
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Default Ford CMP transmission rebuild

Thanks David, Dont think I will have any problems with the horn. Won't be using it in Rome or Mexico City where the horns get more hours on them than the engines!

Jumping back to the transmission rebuild, I am almost ready to finish it off. I was awaiting some new clutch cross shaft bushings which just came. I also have a NOS cross shaft to use in the gear case. The shaft and bushings can be subject to quite a bit of wear and therefore sloppiness as shown in the photo.
Found a couple interesting things about the bushings: There are two sizes of them for Ford Flatheads: 0.945" OD and 1.000" OD. My truck uses the smaller OD type. I also found two types of material used: Solid bronze, and steel backed bronze lining. See the attached photo. The newly manufactured one is on the right, original steel backed on left, and original solid in middle.

I seem to remember long ago tapping the steel backed ones carefully into a case with the shaft installed to prevent damage. I am not so confident to do that to the softer solid bronze new ones without crumpling them. Presently started turning up a guide tool to pull them into the case instead, and yes. threaded rod will be used again.

Will post results when done but truck work is on hold for a week or so as I look after my four-legged best friend after some surgery last week.

Cheers,
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IMG_0066.JPG   IMG_0077.JPG  
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Last edited by Jacques Reed; 10-11-19 at 03:51. Reason: Corrected OD to 0.945"
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  #124  
Old 23-11-19, 00:03
Jacques Reed Jacques Reed is offline
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Default Ford CMP- Installing clutch cross shaft bushings

Good Day,

Well, I finished my bushing guide tool on the lathe yesterday. My buddy is no longer wearing an Elizabethan collar so I could spend more time in the shed.

I was going to make it out of brass but then thought it was a bit of overkill so used a piece of 25mm nylon rod I had laying around.

Simple design: the pilot end has a section the same diameter as the inside of the bushing and a section the same diameter as the outside of the bushing. This ensures the bushing is pulled straight at all times. Two collars for the pulling end: one with the same diameter as the outside diameter of the bushing to install the first bushing, and one with same diameter as the inside diameter of the bushing to install the second bushing. Six mudguard washers and 4 nuts for the 3/8 UNC threaded rod finishes it off.

It worked a treat! A bit of 3 in One oil for lube and they pulled in nicely.

Not a lot of force on the spanners was required but I am convinced the solid bronze bushings would not just tap in without damage so I am glad I went to the extra trouble. No more shake, rattle, and roll on the cross shaft!

Hope this is of some interest.

Cheers
Attached Thumbnails
IMG_0114.JPG   IMG_0123.JPG   IMG_0120.JPG   IMG_0121.JPG   IMG_0122.JPG  

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Last edited by Jacques Reed; 23-11-19 at 03:32.
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  #125  
Old 23-11-19, 08:10
Ganmain Tony's Avatar
Ganmain Tony Ganmain Tony is offline
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Default Very nice job


As always Jacques
Need to do that very shortly myself..
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  #126  
Old 23-11-19, 09:25
Jacques Reed Jacques Reed is offline
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Default Ford CMP- transmission rebuilt

Hi Tony,

Thanks. Here are the before and after photos with the new gears, shafts, and bearings installed. Nice to finally have a transmission that matches the type of truck I have.

PM me when you want to do your bushings. I can probably send you just the nylon bits to keep the postage down if you want to borrow them. Bunnings has the threaded rod.

Cheers,
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IMG_0047.JPG   IMG_0134.JPG   IMG_0143.JPG  
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Last edited by Jacques Reed; 24-11-19 at 00:53.
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  #127  
Old 07-12-19, 02:18
Jacques Reed Jacques Reed is offline
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Default Ford CMP- front spring clips

Good Day,

Another loose end crossed off from this past winter.

I decided to replace my front spring clips (U-bolts) with the ones from the parts truck. The main reason being the parts truck is an original F15-A but the restoration project started from what I believe to be bits cobbled together by previous owners so I am not sure if the clips are the originals. The other factor is I just prefer the look of the the full-nuts and half-nuts. There is a bit more thread engagement too, with the full-nut compared to a slotted-nut which can only be beneficial. It is not uncommon to have wastage on the threads near the cotter pins of the slotted-nut type clips.

The parts truck used full-nuts and jamming half-nuts to secure the clips to the front axle. The project truck used slotted-nuts and cotter pins. A friend who has a dozen trucks said about half his used slotted-nuts and half had the full-nut and half-nuts for securing the clips.

The two types of clips are show and differ in length by about 1/4"

Could not find a torque setting for the nuts in the Ford CMP Maintenance Manual but checking my GM CMP Maintenance Manual they gave 90 Ft lbs for those nuts. That is what I torqued them to and applied a bit of Locktite just to the half-nuts as added precaution against them coming off. They are not the kind of thing you find at the local nut and bolt supplier if they go missing.

Cheers,
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IMG_0180 (2).JPG   IMG_0144.JPG  
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Last edited by Jacques Reed; 09-12-19 at 00:27. Reason: Tidied up a few things.
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  #128  
Old 18-12-19, 01:05
Jacques Reed Jacques Reed is offline
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Default Ford CMP truck- left side fuel line, tank to valve

Good Day,

Ticked off another loose end. Started fabricating the last fuel line a while back but got a bit sidetracked with the transmission rebuild.

So yesterday I finished off the fuel line from the left side fuel tank to the changeover valve. Again, the parts truck junk was invaluable as a pattern. The clip that holds it to the running board support adaptor was too wasted to reuse so another small fabrication job was required.

So that completed all my Bundy tube bending for the truck. fuel lines, brake lines and even the lines to and from the bypass oil filter. Must be quite a few metres all up not including the lines I redid after getting corrected information.

Time now for a Bundy and Coke! Bundaberg that is.

Cheers,
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  #129  
Old 18-12-19, 02:17
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Default Bundy

A well deserved Bundy I think... don't forget the ice!
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  #130  
Old 18-12-19, 04:33
Mike Cecil Mike Cecil is online now
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Well done, Jacques.

But I'm a bit green with envy ... one of the few Aussie items I cannot obtain in the USA is Bundy (and I don't mean the tubing!!)

Best regards

Mike
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  #131  
Old 18-12-19, 06:23
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And not Ginger beer either. Right Mike?
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  #132  
Old 18-12-19, 06:31
Jacques Reed Jacques Reed is offline
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Default Bundy

Hi Mike,

That is surprising, thought they would be worldwide as they have greatly grown the business in the last few years.

Saw a good documentary on the company maybe 9 months ago on the TV. Can't remember what channel it was on. That doesn't do you much good however!!

Cheers,
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  #133  
Old 18-12-19, 12:42
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Quote:
Originally Posted by Mike Cecil View Post
Well done, Jacques.

But I'm a bit green with envy ... one of the few Aussie items I cannot obtain in the USA is Bundy (and I don't mean the tubing!!)

Best regards

Mike
To paraphrase Tom Cruise and Jack Nicholson:
"You want answers?",
"I want a bottle of Bundy",
"You can't handle the Bundy!"
It's simply too much for the American palate, like Vegemite.

Anyway, sending you some Christmas Cheer and bottled Queensland Sunshine.
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  #134  
Old 18-12-19, 17:24
Mike Cecil Mike Cecil is online now
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Thanks Tony, and a Merry Christmas to you and all my MLU associates, too! Three bottles on Bundy ....mmmmm!

Lynn, the Bundaberg Ginger Beer is available from a place called World Market (along with Vegemite, but only occasionally).

Jacques, the US governmental attitude to 'hard liquor' is odd to an Australian. It is treated differently than wine & beer.

Mike
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  #135  
Old 04-04-20, 03:06
Jacques Reed Jacques Reed is offline
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Default Ford CMP engine and cab mounting bolts (AKA The * strikes again)

Good Day All,

It is a cold, wet, self-isolation kinda day so I thought I would share some info I discovered recently. Perhaps many others know this but it may be of some help to someone else starting out.

I always thought the engine mounting bolts were the same size as the front cabin mounting bolts but I knew the rear cabin mounting bolt was a bit shorter.
I was doing a test fit on the right standard Ford engine mount and found the bolt was not long enough to allow the earth strap to attach to it and still engage the hole with the slotted nut (not castellated nut, they are different).
Pulling out a tin of salvaged mounting bolts I found four different versions of them as per attached photo. First two on left are engine bolts and last three are cab mounting bolts.

When all else fails read the Parts Manual. Sure enough, there are four different bolts used in these two locations. Three of them with the * unique to CMP vehicles in the list.

I have added the following notes and table I made up for my own reference:

Engine and cab mounting bolts:
Despite similar appearance there are 4 types of bolts. The rubber isolators however seem to be the same at all locations. See following:

Engine mounting bolt-right seems to be a standard Ford part. Engine- left is unique to CMP’s. Probably the extra length is to accommodate the engine earth strap under the nut. Believe Parts Manual got it wrong. Right side has the earth strap and needs a slightly longer bolt. The Drivers handbook also shows a longer bolt on the left side but has the strap on the right side! There is however a hole in the same relative location on the left engine crossmember for an earth strap so it could be placed there.
The shorter shoulder height is used on the engine as it goes through thinner gauge steel on the engine crossmember. The longer shoulder height on the cab mounting bolts is to accommodate the thicker cast steel support arms at the front and the doubler plate on the rear cab channel support bracket.

Hope this is of some interest.
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bolts.JPG   earth strap.jpg   mounting bolt sizes.jpg  
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Last edited by Jacques Reed; 04-04-20 at 05:49.
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