[diesel_mercedes] 126 will not start After Running Dry

 



O.K. ;

The primer pump , if it's black it doesn't turn to unlock , you just have to pump it at least 35 times to prime things .

If the pump's handle is white (or grey,brownish with filth etc.) and has a knurled edge , you can unscrew it while it's down , uncrew it until you feel the threads skip , then pull it up and depress , repeat this until the primary filter is full and you feel resistance with each down stroke .

Either way , when you try to start the engine , hold the throttle at least 1/2 way down and crank it , once it begins to fire DO NOT let off the key nor throttle until the engine speeds up and begins to run on all five cylinders ! .

Once it's running fast on all five cylinders , you have to hold the throttle there for at least 5 minutes to bleed every last bit of air out of things else it'll stall out and be *very* hard to re start .

I hope you filled the secondary fuel filter with some sort of Diesel Fuel additive ? .

NOTE : you'll need  a 100 % fully charged battery to re start it after running it dry , moreso in cold weather ~ a hair dryer or any other warm air source near the fresh air intake helps greatly here .


-Nate
            "sandtaz@yahoo.com"? WHO ? Wrote :



Here's my story. I ran my '81 126 out of fuel (don't even ask how). Will not start after adding fuel. Filled secondary filter and primary. After a few cranks, the primary is empty of fuel. Tried to use the manual pump to bleed air but darn thing will not turn by hand. Pliers will turn it just a little at a time. Any suggestion???????



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