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  1. rustystud

    303M HydraMatic rebuild

    The machine shop finally finished all the work I had him do. I had 10 clutch drums and piston housings modified to "six" drive rods instead of three, and a bunch of pistons modified with the quicker apply, and other odds and ends. To save a little bit of money I installed the drive rods myself...
  2. rustystud

    Split Ring Horror??

    The way the military had the rims and rings designed pretty much guarantees you that it will stay together no matter what. That's assuming it was correctly installed of course. I've driven on totally flat tires to the point the tires and wheels were destroyed, and the rings never showed any...
  3. rustystud

    G749 preservation

    Those are some nice looking power-paks you have Dave. Is the Gray one going into "Piglet" ?
  4. rustystud

    303M HydraMatic rebuild

    So now we're on to the Rear Servo. This little guy can be a real pain to rebuild. This is one item I would pass on rebuilding if I didn't have the special tool. As long as it passes the air test and the apply rod retracts just leave it alone. Since I do have the special tool it would be a dick...
  5. rustystud

    G749 preservation

    WOW ! We can see metal now ! That was indeed a "Dirty little Piglet" !!!!
  6. rustystud

    303M HydraMatic rebuild

    I'm getting ready to start assembly of the transmission. There are a few things still missing at the machine shop and the gasket manufacturer, but I can assemble the oil pan. First I needed to check out the integrity of the cooler. I made up a tester awhile back and it works great for this. The...
  7. rustystud

    303M HydraMatic rebuild

    Here's some pictures of a "Sanding plate" I made up using some heavy plywood (1-1/8" ) and some paint sticks and a small pane of glass. After setting the paint sticks in place around the glass with a 3/4" stapler, I removed the glass and made-up a large quantity of "Epoxy" and applied this to...
  8. rustystud

    303M HydraMatic rebuild

    Started cleaning up some valve-bodies today. No special tricks or anything except to watch out for the "compensator auxiliary plug" . This plug sits behind a pin that must be removed to access the valve. This valve is always stuck ! It is not mentioned in the "TM 9-8025-2" manual. This picture...
  9. rustystud

    303M HydraMatic rebuild

    Well thanks for asking around. I will be visiting "plowboy" in late August. Should see something along the way.
  10. rustystud

    G749 preservation

    I highly doubt they have "anything" under control. o_O
  11. rustystud

    G749 preservation

    While I agree with your statement about the world in general, I was referring to actual forest fires burning down "Jasper" and the surrounding countryside. Good to hear from you "Ahab" . Very glad that you're still hanging around here !
  12. rustystud

    G749 preservation

    By the way, how's the forest fires up your way ? Think they will be under control by late August ?
  13. rustystud

    G749 preservation

  14. rustystud

    G749 preservation

    I've seen that Yellow paint on other rebuilt military transmissions before. I believe your correct in thinking they (the military rebuild units) used this Yellow marking to denote a unit had been rebuilt once before. I've never seen a transmission rebuilt twice by the military. I guess this was...
  15. rustystud

    303M HydraMatic rebuild

    Thanks !
  16. rustystud

    303M HydraMatic rebuild

    I want to point out an important difference between early 302M HydraMatics and later 303M hydraMatics. The front servo has a larger bore in the 303M transmission. That was part of the upgrade from the 302M to the 303M. That larger bore translates into more band holding power. There is a...
  17. rustystud

    While i've been away..

    Wished I knew you had the Bolens tractor. I was in the process of rebuilding mine until I hit the transmission. It was trashed, so I threw out everything. I still have the steering column as I had modified it to except brass bushings and the front axle as I was modifying it also.
  18. rustystud

    303M HydraMatic rebuild

    Had a talk with the gasket maker "Gardico" and we're looking at two to three weeks out. Went to the machine shop also. He is extremely backed-up and is looking at maybe three weeks before he can even start on my projects. I have a few things left to tear down and clean-up. One being the rear...
  19. rustystud

    303M HydraMatic rebuild

    I've been receiving a little interest in the "front servo" upgrade I posted about. I did say it is a drop in installation, but I need to clarify it a bit. You will need to cut off the pipe nut which normally threads into the servo. The later model servos did not use this nut. They just had a...
  20. rustystud

    303M HydraMatic rebuild

    So today I started the 303M valve body teardown/clean-up. This poor valve body has seen better days ! One thing I've noticed is the "compensator valve" is sticking on "all" the valve bodies I've tore down recently. That's six valve bodies this week. What's going on here ? I cannot explain it...
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