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Roosa Master DB2 Injection Pump Full Rebuild

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This is an in-depth look at how we rebuilt the Roosa Master or Stanadyne DB2 injection pump on the Case 450B we have been working on. Think we did ok...? If not, let the comments fly!
Where I got my parts from ‪@dieselcare‬ - dieselcare.store/
They also have a good RU-vid channel (DB2 teardown and inspection videos) - / dieselcare
DB2 Manual - radionerds.com...
Service Bulletin on Advance Piston - www.stanadyne.c...
Have some equipment you think we would be interested in?? Send us an email or drop a comment! Contact email located in the about section of the channel. We are located in Michigan, USA.
FOLLOW US ON INSTAGRAM - / diesejl
As always, thanks for watching! Be sure to like, subscribe and share! Leave any questions in the comments!
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Опубликовано:

7 июл 2022

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Комментарии : 52

@Ford7710 11 дней назад

I opened RU-vid and this was the video I needed.

@shazzzat 11 месяцев назад

The retainer seal you had difficulty with we were able to get on fairly easily using outside snap ring pliers. We also placed the governor in a block of wood with a hole cut into it that we clamped down to hold the part in place while we worked on it.

@EverydayProjects Год назад

I see you've rebuild your pump too. I'm of the same mindset: I'd rather take the chance and try to fix it myself than pay huge money for someone else to take a crack at it. Worst case scenario, I mess it up but those mistakes are still cheaper than just forking over big wads of cash.

@dieseJL Год назад

I figured worse case I would give it a shot!! Turned out OK

@LinusScrubTips Год назад

I’m buying a 6.9 IDI and this video is a great help. Gives me an idea of what I’m getting into to rebuild the pump. Thanks!

@dieseJL Год назад

Great to hear!

@dieselcare 2 года назад

Great video! We're glad our kit helped with your rebuild. Be sure to let us know if we can help with any future projects.

@dieseJL 2 года назад

Awesome! You guys were a big help for sure!

@amadoramirez7503 Год назад

@@dieseJL Ñ

@amadoramirez7503 Год назад

@@dieseJL p

@maddog3080 8 месяцев назад

You can get the timing 180 off, but the timing lines in the window are to set your timing advance. The mounti g holes are slotted to facilitate a few degrees of advance and tdc offset

@rockharvey5787 5 месяцев назад

Great video, thanks for posting it! I’ve watched a few of these, and another builder warned not to press the head in too far into the body when you’re assembling it. He said you’d pinch the head seal 90% of the time, which might be what happened to you.

@dieseJL 5 месяцев назад

Yeah that thing was a bear. Best thing I did was figure out the size and order a 50 pack from McMaster Carr for $8

@johnpavon799 Год назад

Great video! Like your attitude toward getting into the rebuild project. yes proof is if it work on the Chase.

@michaelchamberlain4618 2 года назад

They do quality work. And they do it right they don't do it wrong because that's bad for their company I've used them many times and I thank God they can do it faster than I can with the last mistakes

@jdlawncare5582 Год назад

Where at i need one rebuild what is the cost to rebuild one thanks?

@kevinfrerichs8589 2 года назад

Can't wait to see it run.

@gerlandkent6377 Год назад

next time I'll rebuild it thank you for you're video

@rustygoldworkshop4672 2 года назад

All things considering you did well..👍

@shaggydogg630 Год назад

I’m at the same predicament. Got the engine out of our tractor. Pump needs gone through. ( when the throttle is pulled to idle too fast, engine dies). Have heard of guys overhauling these things on the tailgate of their pickups. Pump shop wants 800.00. I think I’ll give it a go.

@dieseJL Год назад

Might as well, they’re pretty simple

@dDayye 7 месяцев назад

I know you already know by now but as long as your pump shaft dot lines up with your dot inside of pump behind the brass bushing you should be in time.

@thewatchman3918 3 месяца назад

Does the angled allen wrench bolt and the other one adjust fuel? Having a tough time knowing which one is which or if that's even what they do? 🤔

@waltandres1 Год назад

NECESITO UNA BOMBA DCMFC629-2LQ ROOSE MASTER..

@alejandropizarro7126 9 месяцев назад

Quiero ver el desarmar la bomba de inyección del 310 D de Jhon Deere si posible

@dieseJL 9 месяцев назад

I don’t have access to one ☹️

@michaelosullivan1892 Год назад

Excellent ☘️🇮🇪👌

@gordpiercey9750 2 года назад

Salvage workshop rebuilt an identical one a on his channel.

@mchl8 2 года назад

Nah he botched it I only works for the tyme being. But yea he had 1 apart.

@jtapper6109 Год назад

Enjoyed your video

@williamjiguere6150 Год назад

as to be put on a spec mechine

@williamjiguere6150 Год назад

if you do not tie the lever back the weights will fall in the pump an shaft will not go in

@dieseJL Год назад

Weird, seems to run just fine 🤷🏻‍♂️

@reggiebro6007 10 месяцев назад

I rebuild my 3 time and it still leaking fuel in my crankcase. Let me know if you have that same problem just trying to find out with I'm doing wrong

@dieseJL 10 месяцев назад

No ours doesn’t leak like that. You’re probably messing up the umbrella seals or you didn’t replace the bushing. Did you watch the video where we got the dozer running and installed the pump? I covered a little of it on there. Pretty simple just gotta get the seals on that driveshaft right!!

@williamjiguere6150 Год назад

inj pump place needs to rebuild thay have to time the pump

@txkwrld 11 месяцев назад

facts

@gerlandkent6377 Год назад

bought a new pump from the case dealer for my 1966 ck 530 188 Diesel Backhoe new pump $2 thousand

@zf9903 7 месяцев назад

Hey, how does the shutoff work on that injection pump? It doesn’t seem to have the internal solenoid found in the DB2 pumps on 6.2/6.5 and 6.9/7.3 diesels. Is it a mechanical shutoff?

@dieseJL 7 месяцев назад

It has a manual cable shutoff that pulls the metering valve back via the cam/lever

@zf9903 7 месяцев назад

@@dieseJL would that top cover fit on a pickup DB2?

@danielharder9085 Год назад

I have one on a John Deere 2840 tractor waiting to add a little more horsepower by more fuel. Don’t see that there is anyway to do that!

@dieseJL Год назад

Screw in the screw on the leaf spring to increase the plunger travel distance

@danielharder9085 Год назад

@@dieseJL don’t see leaf spring anywhere?

@mastersaxton2385 2 года назад

Did the Loctite 648 work good for holding the pilot bushing in ?

@dieseJL 2 года назад

It worked great! Work time is pretty short but it's definitely the right tool for the job. I think you could also use 638.

@ozarkarky 2 года назад

That was a horror show 😨. I hope it works!!

@jrperrotta 11 месяцев назад

Why did you not show how the clip is attached to the throttle shaft and the o ring replacement? Mine is leaking and I am not sure how that clip is attached. Especially when trying to replace that seal while the pump is still connected to the motor

@dieseJL 10 месяцев назад

It’s really not hard, it’s kind of like an external snap ring. You just either grab it with pliers and pull up or push the long side off with a little pry bar