If you sit in the seat in a quiet area, you should be able to hear the
pupm running back by the rear axle when you turn on the key. If you
have a whole bunch of tree frogs singin or some such clatter, you won't
be able to hear it unless you crawl under with the switch ON.
Floyd Thursby via Mercedes <mailto:mercedes@okiebenz.com>
May 1, 2017 at 12:40 PM
I cracked the lines coming off the injector distributor (whatever it
is called) and got a bit of fuel out of the one to the rear. The front
one goes through something that looks like a filter or regulator or
something, then down to the engine in front, then another hose comes
back up and then towards the tank, I'm thinking this is the return and
the rear one is the supply line. But no fuel when the switch is on,
so I guess either the pump is not pumping or the filter is clogged. I
checked the fuses, there was not one for the pump but there is a
relay, I pulled it and jumped the pins that supposedly energize the
pump but still got no flow. I'll have to check at the pump to see if
it has power and if it is running. I guess if the filter is clogged
nothing will get through anyway.
One of the relays on the fuse block was really hot, I'm wondering if
it is the fuel pump relay and it is sticking. The diagram in the
manual suggests it is a seat adjuster relay, not sure why it would be
drawing lots of power or be so hot unless some motor is not motoring
and the switch is shorted or something.
There is an over voltage protection relay too, not sure what that
protects, will have to check the fuses on it, maybe one is related to
the fuel pump or tranny? Damn wouldn't that be something, a $0.15
fuse keeping the tranny inop...
--FT
Kaleb Striplin via Mercedes <mailto:mercedes@okiebenz.com>
April 30, 2017 at 1:00 PM
Unless they ran it till it was completely dry then it was bound to
have some fuel in the tank. The fuel will be in the lines as well
which will be just like the fuel in the tank, which you don't want
getting to the distributor
Sent from my iPhone
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Dan Penoff via Mercedes <mailto:mercedes@okiebenz.com>
April 30, 2017 at 12:43 PM
The Klebster is right on, but if that is the case then nearly
everything crud-wise will be in the filter, so dump it and install a
new one before you do amy more.
If the tank was completely dry as you describe it’s unlikely anything
came off when you filled it, there just might have been some crud in
it that will be caught by the strainer and filter. As fresh fuel sits
in the tank things might start loosening up and floating around,
however. Best to buy a couple of spare filters.
No need to panic at this point.
-D
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Floyd Thursby via Mercedes <mailto:mercedes@okiebenz.com>
April 30, 2017 at 12:39 PM
There was nothing in the tank but I guess I loosed it all by putting
in new fuel. But yeah...
--FT
Floyd Thursby via Mercedes <mailto:mercedes@okiebenz.com>
April 30, 2017 at 12:30 PM
I put in the battery and a coupla gallons of gas into the tank and
cranked on it for a minute or two a couple times. Got oel pressure so
that is good. No luck getting it to fire. I'm thinking I should get
a new fuel filter tomorrow and try to replace that before carrying on?
Any other ideas, or just keep cranking? Maybe a coupla gallons more
fuel? Fuel tank smelled like old turpentine gone bad so I guess all
the stuff in there evaporated and goobered up over the years it sat.
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