M35A2 Brake Adjustment and Failed Rockwell Differential
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- Опубликовано: 4 окт 2024
- This is the brake adjustment procedure as called out in TM9-2320-209-20-3-2 and others. Here’s a quick summary:
1) Remove the wheel(s)
2) Remove the drum inspection slot cover
3) Turn the drum so the inspection slot is to 8 o'clock, adjust the bottom right anchor pin CW\CCW till you see .010 inch clearance
4) Turn the drum so the inspection slot is to 11 o'clock, adjust the top right anchor pin CW till you see .020 inch clearance
5) Turn the drum so the inspection slot is to 5 o'clock, adjust the bottom left anchor pin CW\CCW till you see .010 inch clearance
6) Turn the drum so the inspection slot is to 1 o'clock, adjust the top left anchor pin CCW till you see .020 inch clearance
7) Reinstall the drum inspection cover
8) Turn the top left cam stud CCW until you feel a slight drag & back off a tad
9) Turn the top right cam stud CW until you feel a slight drag & back off a tad
10) Reinstall the wheel(s)
After you are back on the road or doing a minor adjustment, you only need to adjust the top eccentrics:
1) Jack up the axle to be adjusted, both sides
2) Turn the wheel to listen for drag as you do steps 3 & 4, the opposing wheel will turn the opposite direction
3) Turn the top left cam stud CCW until you feel a slight drag & back off a tad
4) Turn the top right cam stud CW until you feel a slight drag & back off a tad
5) Repeat 3 & 4 as necessary, adjusting to feel
6) Lower the axle
Be Safe and ALWAYS use wheel chocks and jack stands! I used two sets of jack stands to be extra careful.
Well that answers that. Thanks!
I'm thinking about buying a deuce and a half so thank you for sharing this, very informative! God bless!
I dont even have a M35 and enjoyed this.
Oh hell this has a Kee Kat in it...automatic thumbs up! haha Good video
Yes, she is a GOOD GIRL. Last night she crawled into bed with my son and slept a bit. Today he woke up and felt so good that she gave him a snuggle. Good memories for a young man!
When I was in the service we would just chalk up the deuce, throw it neutral, and lift one tire at a time.
thanks, sounds like something ill do instead of doing this. any other tips?
Good video!
you dont have to have the axle drive shafts removed to adjust the brakes, just lift the whole axle up so both tires are in the air and they should spin freely. you dont need to jack up both axle at the same time either. just some advice. also adjust your bottom brake adjuster first then the top .
Not the case on the Deuce, there is no interlock switch, the front and rear axles are locked together permanently .
@@ValleyRock13 you're correct but also wrong, you dont have to disconnect any of the drive shafts or lift both axles in the air, the axles have open differentials so as long as you got one axle up the tires will spin free. Not all trucks have open centers but most do. And dont say its "impossible" I have a duece and I just did a brake job on it. Was just letting others know for future reference. Your are correct that they don't have an interlock .
Although I don't own a Deuce yet, great video, doesn't look to difficult to adjust the brakes.
Thanks for sharing!
thanks Bro
Great video. The procedure for the M809's is probably similar, just bigger parts. The diff failure made me cringe. I hope I can avoid that.
Cats there for safety lol
subscribed
how many miles and hours did your Duece show, around the time of the failure?
Be nice to kno, my ? Also
on the replacement - could you have just switched out the center chunk? Not sure if it comes out that way Im just asking .
Yes that is possible, but the same amount of work. I got a whole axle and it had new brakes on it, so I rolled with using the best parts from the two axles
How did you discover that the diff had failed?
A few months prior I'd started hearing pops and noticing binds on turns. When I say binds it would be in a turn and get “squirrely” or just unstable like the rear ran over a plate of spaghetti. Since then I’ve added high powered magnets to the fill plugs. This allows them to be pulled from time to time and have a good look at the metal being circulated around without draining oil or making a mess.
This must have different axes than my truck. My wheel lugs are on the drum.
Don’t jump to conclusions just yet. If you remove the drive axle, outer spindle
nut, lock tab, inner spindle nut, and then pull the drum assembly off the
spindle and look from the backside you will see 8 grade 8 screws that match the 8 that match those of the drive axle. Part of the beauty of this design is that the hub (that mounts to the drum using the 8 screws) uses the same inner race for the inner and outer on the hub. So, with the other geometry being thought out properly it is possible to “flip the hubs” which includes that and flipping the lug studs. So the hubs and can be set IN, with duals on the rear. Or set OUT so that singles with all wheels having the same offset. In both cases the tracking is proper for all axles. Hope this clears this up for you or other viewers.
can I adjust my breaks with out Flipping the hubs?
Absolutely! If you have an M35 take a look at the data plate on the dash for the tire pressure (if it is still there). While these beasts had many configurations, the M35A2 typically had two wheel configurations: 1) with 11x20 singles and the hubs flipped OUT or 2) with 9x20 rear duals with the hubs flipped IN
Brian thank you for that bit of into I'm looking at an M35 and was wondering how to run singles on the back... the way it looks I may get the kit and just run a single rear axle.
Military equipment is not built to last. It usually gets blown up.
3:35 my ears die!!!!!
how many miles and hours did your Duece show, around the time of the failure?
It was about 40,000 miles and 1700 hours. The truck is a 68 and was rebuilt in 93.
Wow, really low miles.
@@dmzflightmedic mine has about 5800, it runs well. It's a little scabby(rust) since it was used on a beach for a long time. It was last checked through in 89 so eh each truck lasts a good while it just depends on previous drivers and if it was serviced well. I think mine might have something like 114k miles on it dunno I need to look at it again