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Thanks! It's been quite the haul. Luckily those backing plate rivets are doneaua The plumbing will be tedious, but not hard. The front brakes will just be a swap with the drums/hubs being the only heavy part.

Continuing the air brake saga. Old brakes...off. New brakes...on. Ready for hubs, drums and axles to go back on. See the progress in posts 33-36 below... http://www.steelsoldiers.com/showthread.php?140055-M809-series-(M818-Air-Brake-Retrofit/page4

Fourth, I installed the anchor pins using a light coating of anti-seize. The pins slide easily into their holes and will move freely back forth until the shoes are installed. The pins are locked into place once the brake shoes are set in place. I set the top shoe on the top anchor pin and let...

I finally got all the old backing plates plates off. That's 40, four-zero, 9/16" rivets drilled and reamed out! SO glad that's done! Anyway, moving right along! All four brake sets (spiders, s-cam tubes/brackets, s-cams, shoes, springs and air chambers) are now installed less the slack...

Later this afternoon, I cut the air chamber actuating rods to the proper length for my set up now that I have my automatic slack adjusters. I needed the clevis depth dimension for an accurate cut. Rather than get wordy about the task, I have reposted a Haldex worksheet that spells out this...

I have been working on removing the original backing plates. It has been slow going as I do not have a large industrial strength frame drill. I have drilled out two backing plates so far from the rear most axle. I have been using a 1/2" drill starting with a 3/16" pilot then working up by a...

Running bob-tailed, minimum, you will need a CDL Class B with NO air brake restriction and a medical card to operate legally in CA. A non-commercial Class B WILL NOT cover you.

Yeah, I dialed in that when I first found these pics a couple of weeks ago. Anything less than 90 is no bueno! I have the same push rod cutting instructions. Here...I have loaded them directly into the post. I've already marked the 90 degree point on my push rods. My auto slacks came in...

Here's length comparison of the old studs to the new. The old measure (from under the head) 2 13/16" and the new measure 3 3/8". The drums mount inboard to the hub flange. If slid on outboard they would not cover the shoes completely. So, sadly I won't be able to enjoy that convenience...

Another side note...the this particular drum/hub modification will NOT work with "flipped" hubs. The new brake drum has nothing to attach to in the flipped hub configuration.

With this kit you must use the existing hub. In it's original form, the m39-series and M809-series hub bolts to the drum via an adapter plate that bolts to the outer edge of the drum. You can see those hub bolts (they are the same pattern and size as that of the axle flange) which are just...

The Hannibal 8...again.

Finished up the stud removal this early evening. Wasn't to bad. I used a drill hammer and they all came out fairly easy.

Removed axles yesterday and hubs/drums today in preparation for my air brake install. Follow the thread here.... http://www.steelsoldiers.com/showthread.php?140055-M809-series-(M818)-Air-Brake-Retrofit

My neighbor and I went to the storage yard and removed all the hub/drums with out any issues. I brought them to the house to do the drum conversion. I unbolted all the old drums and set them aside. They're not so dang heavy when not married up to those hubs. After removing the drums, I...

I thought like lawyer too when I got my B. Nothing worse than getting caught with your proverbial pants down in a court of law. I have trained experience operating large vehicles, i.e. railroad equipment with Union Pacific, M1 and M60 tanks and other various military vehicles during active and...

The kit came with an R-12V and two QR-1's valves. I won't be using the QR-1's as I'm following the diagram I posted earlier which uses the R-14 and the SR-1 spring brake valve. Yeah, I wouldn't mess too much with your truck's plumbing. The air may route differently, but all arrives at the cans...

Here is a parts list for all the major components. I have added a few cross references also... Brake Drum OTR1610, Webb 68730, Gunite 3018AX, Dayton 122126 Spiders RH: Meritor A3211W3819 LH: Meritor A3211V3818 S-Camshaft Brackets RH: K683299S1553 LH: K683299R1552 S-Camshafts RH...

I built up my rear axle brakes service and spring-brake relay set-up yesterday using an R-12 and an R-14 relay. The mounting bracket I fabricated from 4" x 2 3/8" x 1/4" angle. I have nicknamed it "the turret" as it reminds me of such an appliance from a steam locomotive. I will just need to add...

Bought a set of four Meritor Automatic Slack Adjusters (R801073) and the convenient tools to adjust them. I also put air on my spring brake chambers to make sure all are working and caged them while at it. I will cut the push rods once I get the slack adjusters just to be sure my cuts are...