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Default Can't prime Yanmar 2GM20


wrote in message
...

Anyway, your advice makes logical sense so I'll try that again and
hopefully, I'll have more luck.

Thanks again for your help.

Greg

------------------------

The procedure we used was like this:

One guy cranked the engine while the other slightly loosened the fuel line
nut until fuel started squirting out. You could see the air bubbling out as
well. While still cranking the engine, we'd re-tightened the nut, then
we'd move on to the next cylinder. Like I said, it took several times on
each line to get all the air out so the engine would stay running. In
fact, we killed the battery and had to take a break while recharging it
halfway through the process.

There may be an easier way, but neither of us were diesel experts. It
worked though.

Eisboch

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Default Can't prime Yanmar 2GM20


"Eisboch" wrote in message
...

wrote in message
...

Anyway, your advice makes logical sense so I'll try that again and
hopefully, I'll have more luck.

Thanks again for your help.

Greg

------------------------

The procedure we used was like this:

One guy cranked the engine while the other slightly loosened the fuel line
nut until fuel started squirting out. You could see the air bubbling out
as well. While still cranking the engine, we'd re-tightened the nut,
then we'd move on to the next cylinder. Like I said, it took several
times on each line to get all the air out so the engine would stay
running. In fact, we killed the battery and had to take a break while
recharging it halfway through the process.

There may be an easier way, but neither of us were diesel experts. It
worked though.

Eisboch



Another suggestion ....

When it starts acting like it's trying to run but still dies, open the
throttle up quite a bit before you start cranking it. Like almost wide
open. Sometimes the extra RPM it builds up allows it to stumble through
the last remaining bubbles of air.

Eisboch


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Default Can't prime Yanmar 2GM20


"Eisboch" wrote in message
...

"Eisboch" wrote in message
...

wrote in message
...

Anyway, your advice makes logical sense so I'll try that again and
hopefully, I'll have more luck.

Thanks again for your help.

Greg

------------------------

The procedure we used was like this:

One guy cranked the engine while the other slightly loosened the fuel
line nut until fuel started squirting out. You could see the air
bubbling out as well. While still cranking the engine, we'd
re-tightened the nut, then we'd move on to the next cylinder. Like I
said, it took several times on each line to get all the air out so the
engine would stay running. In fact, we killed the battery and had to
take a break while recharging it halfway through the process.

There may be an easier way, but neither of us were diesel experts. It
worked though.

Eisboch



Another suggestion ....

When it starts acting like it's trying to run but still dies, open the
throttle up quite a bit before you start cranking it. Like almost wide
open. Sometimes the extra RPM it builds up allows it to stumble through
the last remaining bubbles of air.

Eisboch



Years ago, one of my drivers ran the diesel delivery truck out of fuel. As
he was in the service station. Lucky for us. Another trucker with a Semi
pulled over next to him and use a line off an air compressor he had. (worked
great for an air powered lube gun he said as well as tires) and Pressurized
the fuel tank via the air hose and a rag. Driver said after few times
turning over the engine, she ran. I guess the air in the injector lines is
forced out quickly by the tank pressure. Ford 550.


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Default Can't prime Yanmar 2GM20

On Sun, 22 Mar 2009 20:19:49 -0800, "Calif Bill"
wrote:

Another trucker with a Semi
pulled over next to him and use a line off an air compressor he had. (worked
great for an air powered lube gun he said as well as tires)


All semi's have an air compressor for the brakes. My Mercedes backhoe
had about 48 places to grease every day, counting the hoe, the loader,
and the tractor. All the ball joints and so on were to be greased
daily. It had air brakes, and I had the air grease gun.

Casady
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Default Can't prime Yanmar 2GM20

On Sun, 22 Mar 2009 09:28:37 -0400, "Eisboch"
wrote:

he procedure we used was like this:

One guy cranked the engine while the other slightly loosened the fuel line
nut until fuel started squirting out. You could see the air bubbling out as
well. While still cranking the engine, we'd re-tightened the nut, then
we'd move on to the next cylinder. Like I said, it took several times on
each line to get all the air out so the engine would stay running. In
fact, we killed the battery and had to take a break while recharging it
halfway through the process.

There may be an easier way, but neither of us were diesel experts. It
worked though.


I have a Mercedes Unimog. When I ran it out of fuel and got air in the
lines, I cranked it till it started. About one minute of cranking and
it started and ran bad. Gradually it smoothed out as one cylinder
after another acquired an air free line.

Casady


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Default Can't prime Yanmar 2GM20


"Richard Casady" wrote in message
...
On Sun, 22 Mar 2009 09:28:37 -0400, "Eisboch"
wrote:

he procedure we used was like this:

One guy cranked the engine while the other slightly loosened the fuel line
nut until fuel started squirting out. You could see the air bubbling out
as
well. While still cranking the engine, we'd re-tightened the nut, then
we'd move on to the next cylinder. Like I said, it took several times on
each line to get all the air out so the engine would stay running. In
fact, we killed the battery and had to take a break while recharging it
halfway through the process.

There may be an easier way, but neither of us were diesel experts. It
worked though.


I have a Mercedes Unimog. When I ran it out of fuel and got air in the
lines, I cranked it till it started. About one minute of cranking and
it started and ran bad. Gradually it smoothed out as one cylinder
after another acquired an air free line.

Casady



Apparently some diesels will self purge and prime, but not all. The Volvo
engines I had in the Navigator supposedly would self prime and purge but I
never tried, other than restarting after a fuel filter change.

Others can be a bear to purge and get running again. Best bet is just don't
run them out of fuel.

Eisboch

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Default Can't prime Yanmar 2GM20


"Eisboch" wrote in message
...

"Richard Casady" wrote in message
...
On Sun, 22 Mar 2009 09:28:37 -0400, "Eisboch"
wrote:

he procedure we used was like this:

One guy cranked the engine while the other slightly loosened the fuel
line
nut until fuel started squirting out. You could see the air bubbling out
as
well. While still cranking the engine, we'd re-tightened the nut, then
we'd move on to the next cylinder. Like I said, it took several times
on
each line to get all the air out so the engine would stay running. In
fact, we killed the battery and had to take a break while recharging it
halfway through the process.

There may be an easier way, but neither of us were diesel experts. It
worked though.


I have a Mercedes Unimog. When I ran it out of fuel and got air in the
lines, I cranked it till it started. About one minute of cranking and
it started and ran bad. Gradually it smoothed out as one cylinder
after another acquired an air free line.

Casady



Apparently some diesels will self purge and prime, but not all. The Volvo
engines I had in the Navigator supposedly would self prime and purge but I
never tried, other than restarting after a fuel filter change.

Others can be a bear to purge and get running again. Best bet is just
don't run them out of fuel.

Eisboch


I just remembered the Ford F-350 diesel PU I had. When it broke down on
the road and they had to replace the high pressure oil pump (pumps fuel to
and through the injectors) it took quite a bit of cranking to get it
running again. The first attempt ran the batteries down (there were two in
that truck) and they had to put a big starting charger on it to keep trying.
I would think that trucks designed for weekend warriors would be self
purging, but I guess not.

Eisboch

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