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  #16  
Old 06-04-2013, 03:54 PM
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There is a little Plate on the Fuel Supply/Lift Pump that has the Model Number of the Lift Pump; any Bosch Shop can tell you if they make a kit for the Lift Pump.
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  #17  
Old 06-04-2013, 04:59 PM
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I have some good news.... After going outside to get the pics and specs, one thing led to another.... Mr injection pump is now resting on a counter top.

A 1/4 inch drive ratchet was the key.

Now the numbers

From startek-
Ip - A617 070 0101 Replaced by A617 070 0501

Bosch RW350/2200MW 11

Then the green tag on the top side
62387679
PES5MW 55/320 RS4
0403 245 004
Casted on pump
1415 115 701

The lift pump

Something, something K22MW3( See Pictures)

Car Vin# 115.114 12 048686
Motor #(1st number under valve cover, on the front of block)
617 015 0301

Now then, the bottom shaft is turning fine(that drives the lift pump). The pump seems to be working ok. The plunger works. The shaft above the bottom shaft moves as well.

After that, I'm kinda at a loss of what to look for or do..... Besides checking for the stuck plungers up top( Thats next). There are many adjust areas in the rear(behind the cover).

What else can I do, test, check, adjust or take apart to investigate it?
Ip Parts Photos by mrchipy | Photobucket
Attached Thumbnails
1976 300d Injection pump delima-111.jpg   1976 300d Injection pump delima-11.jpg   1976 300d Injection pump delima-18.jpg   1976 300d Injection pump delima-19.jpg   1976 300d Injection pump delima-17.jpg  


Last edited by 300d 4 ME; 06-13-2013 at 07:33 PM.
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  #18  
Old 06-04-2013, 07:22 PM
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Well, after a inspection of the barrels, just the 1st one. It moved nicely. For what ever reason I removed the two nuts on the side of barrel no 1. Me so sorry.......

I didn't move it, so hopefully no harm was done. About the plunger- it has a hole in the middle, a slot on one side, and slanted oddly on one side. Is that right?

I wonder if the lift pump just didn't have enough pressure to run it? Maybe it was leaking down?

As you can tell, I'm not highly specialized in this area..
Attached Thumbnails
1976 300d Injection pump delima-16.jpg   1976 300d Injection pump delima-15.jpg   1976 300d Injection pump delima-14.jpg   1976 300d Injection pump delima-13.jpg  

Last edited by 300d 4 ME; 06-13-2013 at 07:35 PM.
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  #19  
Old 06-04-2013, 08:22 PM
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Sounds like you have this style



It should be replaced with this style



The first one is the original style and they are known to leak and suck in air...this may be your only problem and the lift pump is still okay
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  #20  
Old 06-04-2013, 08:32 PM
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Quote:
Originally Posted by cooljjay View Post
Sounds like you have this style



It should be replaced with this style



The first one is the original style and they are known to leak and suck in air...this may be your only problem and the lift pump is still okay
Actually I have neither. My lift pump is the older style, with the external primer, it works just fine though.

I took a look at the pressure relief spring, it was a hair under 20mm. She needs stretchin a tad. That may be part of me problem.... I will still at least rebuild the lift pump, and install some motor mounts-its a great time to do it. Also some spring cleaning around it.

I still think there is more to it than that little spring...... A thought just hit me. When the car would clog it self a while back, the primer handle would not return...Once everything was clear-all was ok. Is that normal?
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  #21  
Old 06-04-2013, 09:17 PM
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Originally Posted by 300d 4 ME View Post
Actually I have neither. My lift pump is the older style, with the external primer, it works just fine though.

I took a look at the pressure relief spring, it was a hair under 20mm. She needs stretchin a tad. That may be part of me problem.... I will still at least rebuild the lift pump, and install some motor mounts-its a great time to do it. Also some spring cleaning around it.

I still think there is more to it than that little spring...... A thought just hit me. When the car would clog it self a while back, the primer handle would not return...Once everything was clear-all was ok. Is that normal?
Okay I found it....you have the old old old style....I forget the w115 240d and 300d injection pumps differ a lot....I have no idea on that one at all....here's a picture so others know

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  #22  
Old 06-05-2013, 04:38 AM
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You probably don't need this now...

...but here's the FSM information just in case it is useful.



The right hand side set of numbers are for the lift pump. (next set from the right are for the governor)
Attached Thumbnails
1976 300d Injection pump delima-w115.1-lift-pump-info.jpg  
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1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #23  
Old 06-05-2013, 12:54 PM
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Quote:
Originally Posted by Stretch View Post
...but here's the FSM information just in case it is useful.



The right hand side set of numbers are for the lift pump. (next set from the right are for the governor)
Thanks for that. It looks like at one time, someone tried to clearance the holes on the pump. Maybe to get a little extra adjustment........

Is there any other things to look for, adjustment wise inside the pump?
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  #24  
Old 06-05-2013, 01:38 PM
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Originally Posted by maclaveau View Post
The lift pump gasket kit is still available. It is Bosch kit# DGK301 ($14.60 CDN). I bought them 6 months ago form a Bosch IP shop. FYI.. the rebuilt kit for the IP for the W115 300D (75-76) is also still available: DGK128 ($37.25 CDN)
Is that DGK301 the same as DGK301H(the h kit has a later style primer with it)?
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  #25  
Old 06-05-2013, 01:50 PM
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Quote:
Originally Posted by 300d 4 ME View Post
...
Is there any other things to look for, adjustment wise inside the pump?
Generally speaking I think it is best to stay well away from IPs (well I'm saying this until I've got it figured out!).

You said this in your first post =>

Quote:
Originally Posted by 300d 4 ME View Post
... Everyone I ask about the internals of the IP usually give the same answer(thats not owner serviceable) I have the feeling the people on the other end of the phone are giggling......Its almost like the internals are a closely kept secret, just as the parts are to fix it.
...
Some of the people on the end of the phone might be giggling but I guess most of them just don't know how to fix injector pumps.

There is a lot of information available on the internet - to be honest I'm a bit confused by it all. Some of the advice given is hotly contested - it is a bit of a mine field. Generally speaking most people who want a tuned injector pump seem to think that the only people who can do it live in Finland...

...the one thing that I'm sure of is that most adjustments need fine tuning on a test rig. (I'm planning on building my own - wanna race?)
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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #26  
Old 06-05-2013, 01:53 PM
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Quote:
Originally Posted by 300d 4 ME View Post
Is that DGK301 the same as DGK301H(the h kit has a later style primer with it)?

I do not know.
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  #27  
Old 06-05-2013, 08:55 PM
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Alright then. So it looks like i will fix what ever leaks, get a lift pump repair kit, stretch-or replace that 1 spring. Then try my luck with putting it all back together. It will be a little while for all of this.

I shall return to give an update when I figure something out
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  #28  
Old 06-06-2013, 12:38 AM
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Quote:
Originally Posted by 300d 4 ME View Post
Is that DGK301 the same as DGK301H(the h kit has a later style primer with it)?
I have been eyeballing that one on Ebay also. I copied the Pick to My Computer and enlarged the Pics.

I cannot see any Valves or the O-ring in the Kit but it appears to have new springs and all of the Crush Washers.

I searched on the internet some and can't find a site that tells you what is supposed to be in the kit.

I also did not look up and see if the Hand Primer part number is the correct one.
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  #29  
Old 06-06-2013, 12:49 AM
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Quote:
Originally Posted by 300d 4 ME View Post
Alright then. So it looks like i will fix what ever leaks, get a lift pump repair kit, stretch-or replace that 1 spring. Then try my luck with putting it all back together. It will be a little while for all of this.

I shall return to give an update when I figure something out
Take pics of the Lift Pump as you take it apart. Note the directions of and what type of Valves it has inside.

It could be it is simply gumed up inside and needs a cleaning.

I have also seen where the little Valve Springs have broken or corroded through.

Leave the 13mm Nuts on each side of the Element alone. The adjust the Fuel amount that each Element puts out by rotting the Element. The catch is you need a Calibration Machine to see how much the amount is when you rotate the Element.

The shims that are between the Element Flange and the Aluminum Injection Pump Housing determing the begin of Injecton for each cylinder and are drip timed to each lobe of the Fuel injection Pump Camshaft.
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  #30  
Old 06-06-2013, 01:39 AM
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Quote:
Originally Posted by cooljjay View Post
Okay I found it....you have the old old old style....I forget the w115 240d and 300d injection pumps differ a lot....I have no idea on that one at all....here's a picture so others know

Here are more engine pictures of a 1976 300D.





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1973 300D
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1978 280SE
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