doubleclutchinweasel
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Everything posted by doubleclutchinweasel
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How about some 1972's?
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Only 1 from 1971...
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A few from 1970... The blue R700 ones show a lot of different engine options and the model numbers associated with each one.
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A couple from 1969...
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Here are a few from 1967... Picked up the 237 Maxi on these.
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I do not have anything on that R either. Sorry.
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Not so much for the veterans, but hopefully helpful for some of the newer members… The 607 implies what the standard engine was…maybe the n/a END-673P. But, as shown in those brochures, there were optional engines available. Could have been a couple of different engines factory-installed. The “S” shows that it was originally a “six wheel” (tandem) truck The lack of a “T” says it was not originally built as a tractor, but rather as a straight truck. Pretty common on DMs, since the primary market was “Dumper and Mixer”.
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They did use Chrysler 413s in some of them.
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I don’t have any B ones. I’ll see what I have on the R. When I was gathering these, I wish I had searched for stuff outside my area of interest. I’ve regretted that many times.
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Spongy/soft brakes, purging relay valve
doubleclutchinweasel replied to Highroadhauling's topic in Air Systems and Brakes
Unhook the parking brake release hose from the cam and apply foot brake. If the can is leaking through, air will come out of the parking brake fitting on the can. Can also do the opposite thing. Unhook the service brake fitting and release the parking brake to see if air comes out the service fitting. Be sure to scotch it securely before trying any of this. Sound reasonable, JoJo? -
A lot did not.
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As long as none of the bushings are worn through and into the knuckles, it should be pretty easy then. hardest part of mine was lifting the brake drum off and on!
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I’m just going off my R axle. It was a straight drive out/drive in on the bushings. A jack and a hammer knocked the tapered pins loose. Jack in a different place and a snack with the hammer seated the pins. Then set the thrust bearing. It was easier than doing an old pickup truck. But I don’t know if the B axle is the same.
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I’ll put some more in here tomorrow.
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I’ll bet you could do them yourself. But I understand letting someone else do it.
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Looking at your post reminds me of when I did mine and had to set that nut under the thrust bearing. What a killer setup these things had. I hope his "early" axle has the same setup with the tapered pins and the thrust bearing.
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Right?
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https://emtsparts.com/product/king-pin-kit-for-fa400fa401fa500-1962-earlier-fa501-1963-earlierfa505-1962-earlier-fa511-1962-earlier/ or https://parts.nwtruck.com/catalog/search/301sq32b?partno=SQ-301SQ32B maybe
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😄😄😄😄😄😄
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I keep running into part numbers that are cross references for the 301SQ32B which also cross back over to the 301SQ45A. Any chance the 45A would fit the 32B applications? I kinda have my doubts. But... Anyway, here's something to think on.
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Serves you right!😄
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Personally, if the axle number and year matches up, I'd jump all over this one. NOS Mack parts. Or, maybe somebody could buy this one to use as a pattern for the new ones. If I had them, I could probably do drawings for them. And loo! There are 2 sets available! Maybe I should buy them as an investment!
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I've been looking at several cross references. But, some of them circle back around to a different Mack part number when you cross reference them "the other direction" or through multiple suppliers. I always feel better when that trip leads back to the same Mack number. Wow. I'm not sure that even made sense to me!
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Oh, but let's be sure to check the wheel bearing adjustment before starting on a kingpin job!
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There have been several discussions on here in the past related to the early B model kingpin sets. Maybe some of those threads will yield a good part number. Or, the eBay link I posted? Maybe this is another one of those things Barry and Company should look into. If they could find someone to make new kits, there just might be a market. Just look at the names in the B-model registry! Barry...you listenin'?
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