[diesel_mercedes] Parts Cleaning

 



Yes , I used to use the coin operated car wash when I was a young man . fun times , my and my milk crates full of old VW engine parts , another crate to sit upon and a brush and de greaser to get things loosened up ~ I'd wind up filthy , the parts clean .

The IP and indeed any and all parts of any fuel system can easily be screwed up by allowing something the diameter of a human hair , to get blown in when you're cleaning so I have another plan up my sleeve for this injection pump .

-Nate
       Brian   wrote :

That came out nice. I just took one to the local DIY car wash. They have a low pressure soaper that I used, and all looks good so far.

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[diesel_mercedes] Fuel Economy Check '82 240D Slushbox

 


530 miles , 27.4 MPG's , not much AC used .

I see the fuel economy is dropping a little bit from then first i replaced the old worn out injectors .

I ran it quite a while with the low fuel lamp lit , once again I chickened out on running it dry .

Added Diesel Kleen Silver Bottle cetane booster this time , let's hope the evil fungus has left me .

-Nate


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[diesel_mercedes] Curing Tranny ' Flaring '

 


Thanx Francis ! .

I did this on my '82 240D and it helped but , it also made it shift later so my fuel economy dropped appreciably .

I also adjusted the TV cable on the rocker box , that  really helped make it shift at more appropriate RPM's and loads .

-Nate
       Francis  wrote :

I had a similar issue.  Adjust the little "T" pin 1 turn counter clockwise on the vacuum control module on the trans. That will make it shift harder. 

If you are bound and determined to adjust something, you can mess with:
*** the bowden cable on the fuel linkage. Tightening the cable will make for a later/higher-RPM shift.
***the Vacuum Control Valve (VCV) on the side of the fuel linkage
***the modulator "tee" on the left side of the transmission. Out adjustment makes for stiffer shifts.


Francis Seán McWilliams
Mobile: (815) 342-0506
Email:    francismcwilliams@...

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[diesel_mercedes] IP Timing OM616 & 617 Engines

 



here's one that shows what you're looking for once you have the IP timed when the engine is set to 24° BTDC .

The idea is : a specific number of drops of fuel per minute .

Now I'm off to look for more.....

-Nate
       Bill   wrote :

YouTube videos:

https://www.google.com/#q=install+Injection+Pump+1985+W-126+

 

https://www.google.com/#q=timing+an+Injection+Pump+1985+W-126+

 

Bill in Oregon

From: diesel_mercedes@yahoogroups.com [mailto: diesel_mercedes@yahoogroups.com ]
Sent: Wednesday, October 07, 2015 2:18 PM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] More Junkyard Fun ! [3 Attachments]

 

 

I spent two days afternoons removing an Injection Pump from an 1985 W-126 300SD , I plan to try it in my '84 300CD as it still smokes and I've replaced everything else....

It'll prolly turn out the IP is mis-timed but I want to teach myself how to properly time the IP anyway....

Suggestions or details on how to do it @ home gratefully accepted .

I read in the FSM I'm supposed to connect up an electric fuel transfer pump ? .- Nate

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[diesel_mercedes] IP Timing M & MW IP's

 


Thanx Bogy ! .

Copied and saved .

I'll give this a go , I plan to use an electric fuel pump

-Nate
       Bogy   wrote :

1) I turn the engine in the direction of its normal rotation until it is at 24.5 degrees btdc with the #1 piston near the top of its compression stroke. There are timing markings on the front pulley for this.

2) since the pump is out of the car all the steel lines will be off the pump outlets.

3) attach a fuel supply of some kind to the pump inlet and turn the pump in it's normal direction until all the outlets squirt some amount of fuel. do this with wide open throttle.

4) Then use a lint free towel or cloth to soak all but a small bit of fuel from the #1 outlet - until there is just a small little bit in the bottom of the outlet fitting. enough to see but not much more.

5) Turn the pump in its normal direction until you just see a change in the fuel level in the aforementioned #1 outlet fitting. Do this at idle throttle setting. Turn it slow and watch it carefully. The little puddle will just start to grow as the port is beginning to deliver fuel.  This is the start  of delivery for the #1 cylinder. 

6) without disturbing the shaft, install the pump.

Note. there is a set of alignment marks that you could use to align the gear with the pump body. But it's a good idea to ensure that as the marks line up,  the fuel puddle in the #1 delivery port is also just starting to change.

I use the six steps above to check timing as well as set it.  with the pump still in the car remove the #1 fuel line and turn the crank until the timing marks come to 24.5 degrees before top dead center. You should see the fuel puddle in the delivery outlet just begin to rise at 24.5 degrees btdc.

Hope this helps.
Bogy
 
"Hardware eventually fails. Software eventually works"                 - Michael Hartung


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[diesel_mercedes] IP Timing

 



You are correct Alan ;

I want to learn how to do it the very best I can as i have discovered in the last 50 years that proper ignition timing is *everything* when it comes to good reliable power and driveability .

-Nate
      Alan  wrote :

Confirming my impression that in addition to seismic faults there is a magnetic field that sucked all of the old MBs to California.  There are very few left in scrapyards on the East Coast.  Anyway, I seem to remember timing a 123 Diesel a long time ago.  I was using the fsm but no electric pump.  As I remember it involved adjusting the timing so that a small drip of fuel dropped out of a short pipe screwed into the #1 cylinder feed on the pump.  Hopefully someone with either better information or a better memory can provide some more accurate help.

On Wed, Oct 7, 2015 at 6:00 PM, corvallis@... [diesel_mercedes] <diesel_mercedes@yahoogroups.com> wrote:
 

YouTube videos:

https://www.google.com/#q=install+Injection+Pump+1985+W-126+

 

https://www.google.com/#q=timing+an+Injection+Pump+1985+W-126+

 

Bill in Oregon

From: diesel_mercedes@yahoogroups.com [mailto:diesel_mercedes@yahoogroups.com]
Sent: Wednesday, October 07, 2015 2:18 PM
To: diesel_mercedes@yahoogroups.com
Subject: [diesel_mercedes] More Junkyard Fun ! [3 Attachments]

 

 

I spent two days afternoons removing an Injection Pump from an 1985 W-126 300SD , I plan to try it in my '84 300CD as it still smokes and I've replaced everything else....

It'll prolly turn out the IP is mis-timed but I want to teach myself how to properly time the IP anyway....

Suggestions or details on how to do it @ home gratefully accepted .

I read in the FSM I'm supposed to connect up an electric fuel transfer pump ? .- Nate




--
Al Boucher

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[diesel_mercedes] Re: Tranny ' Flaring '

 

I had a similar issue.  Adjust the little "T" pin 1 turn counter clockwise on the vacuum control module on the trans. That will make it shift harder. 

If you are bound and determined to adjust something, you can mess with:
*** the bowden cable on the fuel linkage. Tightening the cable will make for a later/higher-RPM shift.
***the Vacuum Control Valve (VCV) on the side of the fuel linkage
***the modulator "tee" on the left side of the transmission. Out adjustment makes for stiffer shifts.


Francis Seán McWilliams
Mobile: (815) 342-0506
Email:    francismcwilliams@yahoo.com

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