Generic, but good stuff
http://www.youtube.com/watch?v=lglPJuBXVeE
http://www.youtube.com/watch?v=hBxkDFrVTdw
http://www.youtube.com/watch?v=w17DpGCcRj8
Brian from laverne
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I am scrapping a '77 Mercedes 240D NOT automatic.. Parts left are rear end assembly, hood, trunk lid, rotors and calipers, radiator, ac condenser, dash, 2 factory aluminum wheels, some side moldings and grille.
I am in central north Carolina. The carcass will be going to the scrapper in about 2 weeks.
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407 miles , almost no AC used this tank , mostly driven on the freeways @ 75 ~ 85 MPH .
5 Oz. startron per fillup .
27.1 MPG ~ this is what I've been hoping for but we'll see .
Elements # 3 & 4 on the IP are definitely weeping a tiny bit , dammit .
-Nate
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O.K. then ;
I'm to assume it runs poorly when you foot is on the throttle then ? .
Most of the time this will either be crud blocking the fuel flow , might be the in tank screen , the primary fuel intake screen near the transfer pump or the spin on secondary fuel filter ~ remember I uust went through that and I'd replaced the secondary filter a month or three before....
Make _SURE_ you use the clear primary fuel filters so you can *SEE* what's going on in there ~ one small bubble is O.K. , more are not , tiny chunks of black crud mean problems too , use 3 ~ 5 Oz. of Statron per tankfull to get rid of it , takes a while if it's really bad .
Using the wrong typ of fuel hose (fractional instead of Metric) or the gear typ of hose clamps often causes running issues too ~ it's a very simple engine but , you have to dot every i and cross every t to make it run sweetly .
If the small rubber return hoses between the injectors are wet , that'll do it too .
-Nate
Roland Wrote :
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Bud ;
Be aware that's all in a perfect world ~ at rest the average vehicle battery will be right around 12 VDC , this isn't bad as a 12 volt battery has 6 cells and each cell is rated for two volts .
Mercedes uses BIG 950 CCA batteries in the Diesels , most places sell 850 CCA replacements and they're fine .
When you're out and about , idling at a stop light , lights on , radio playing heater softly blowing and so on , don't panic if the system voltage drops slowly until it reaches 11 VDC
This is why I use the Bosch branded voltage regulators , to keep the charge rate up and the battery fully charged .
Tom and I bought some nifty battery / alternator charge gauges @ wallymart , they plug into the cigarette lighter hole and give you an on going view of how good your charge is as well as the battery's state of charge . IIRC these were like $21.
Keeping the battery clean and dry will prevent the slight parasitic voltage loss that can cause cold weather starting troubles .
I wash my battery with soap and water once a year , allow to dry well whilst I use baking soda to clean up the cable clamps .
Keeping the engine sharply tuned (regular valve adjustments and fuel filter changes) plus following the proper cold starting drill will ensure fast starts even when it's cold .
It is normal to only show 11 volts when the starter is operating . gasoline engines can drop to 9 volts and still be fine .
-Nate
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Jeeze Henry ;
I hope you have electricity ! .
Do you have jumper cables to get the generator going or what ? .
-Nate
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Yessir ! just so .
I wouldn't wish my life on anyone but it's been _very_ interesting and educational so far .
I wish I could say I'd made the right choices but that's how I learned and gained experience , by screwing up more often than not .
-Nate
Bill Wrote :
We were poor by the numbers, but rich with choices and good fortune. Bill in Oregon
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Nate:
Thanks for the colors!
It's intermittent. When it's not screwy, it runs like a top. I've
changed out the filters, yesterday, put in diesel Kleen white and
Startron. I've driven maybe 50 miles since that and I just drove to
town, about 12 miles, and it was fine until I got home. I haven't
adjusted the valves recently, but they were done in the recent mileage
past. The odometer has been out after it failed at 210K. The
intermittent problem sort of lets out the valve adjustment. I blew back
through the fuel line into the tank for a half-ass clean of the tank
strainer. It was 20 degrees here this morning and it started right up.
I'm still baffled.
Roland Hyatt
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Thanks Nate. I must confess I brought my alternator at autozone. |
| Mike ; That's very good indeed . As long as it remains above 13 VDC when you're on the throttle , you're good to go . The proper charging rate is 13.2 ~ 14.7 VDC , measured above idle a little bit . My fix after messing around with high output alternators was to use _ONLY_ Bosch branded voltage regulators ~ you should pick one up now and stash it in your glove box because when the brushes wear down you'll be stuck with whatever crappy " it's just as good as the Bosch one ! " junk the partshaus has and that _always_ charges too low no matter what . Easy to change in one minute , too . -Nate Mike Asked : Does anyone know what I should get from the alternator? Right now when cruising under load I am getting around 13.5. I have had no starts but should that happen when the battery is at 12.3? Thanks you guys are great. Mike |
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Batteries are fully charged at 12.63 volts. That being said, it is
possible to maintain a slightly over charged battery at 12.8 or maybe
even 13 on some batteries. The alternator must supply a voltage in
excess of what the normal battery voltage is. I have had VRs that have
charge rate anywhere between 13.5 and 15. The VR is what protects the
battery from an excessive over charge either by tapering the charging
voltage or cutting out as the battery approaches maximum voltage.
--
Stan George Portland <<
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That's good Mike ;
Now you have the lifetime guarantee , just go buy the BOSCH branded voltage regulator and enjoy super bright lights and *instant* cold starts , even in to - day's 39* F morning .
-Nate
Mike Wrote :
Thanks Nate. I must confess I brought my alternator at autozone.
From: vwnate1@... <vwnate1@...>;
To: <diesel_mercedes@yahoogroups.com>;
Subject: [diesel_mercedes] Charging Voltage on 71 220D
Sent: Wed, Dec 4, 2013 2:12:56 AM
Mike ;
That's very good indeed .
As long as it remains above 13 VDC when you're on the throttle , you're good to go .
The proper charging rate is 13.2 ~ 14.7 VDC , measured above idle a little bit .
My fix after messing around with high output alternators was to use _ONLY_ Bosch branded voltage regulators ~ you should pick one up now and stash it in your glove box because when the brushes wear down you'll be stuck with whatever crappy " it's just as good as the Bosch one ! " junk the partshaus has and that _always_ charges too low no matter what .
Easy to change in one minute , too .
-Nate
Mike Asked :Does anyone know what I should get from the alternator? Right now when cruising under load I am getting around 13.5.
I have had no starts but should that happen when the battery is at 12.3?
Thanks you guys are great.
Mike
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