[Cortina-list] DCOE Accelerator pump

cortina-list at lotus-cortina.com cortina-list at lotus-cortina.com
Mon Jun 29 02:01:06 UTC 2015


Take a look at the video... It appears to be  a blocked passage. Now I need to figure out how to clean it without drilling holes!

Ps. The one way valves were out when I did this.

http://youtu.be/1oi1duXGKs8

Sent from my iPhone

> On Jun 28, 2015, at 1:41 PM, cortina-list at lotus-cortina.com wrote:
> 
> You answered my question if the other valve has the same effect.
> And you're satisfied all the jets are open, that leaves the accelerator
> pump as the culprit, look there, see if you can swap the pistons.
> It ain't a blockage it's a leak somewhere, the only way gas can get
> into the pump is through that valve and, if the pump sucks it in the
> only way it can get out is through the jets or past the piston.
> The clue is, the inability to build pressure with rapid pumps.
> --
> wink
> 
> 
>> On Sun, Jun 28, 2015 at 1:06 PM, <cortina-list at lotus-cortina.com> wrote:
>> 
>> It's not a very complicated car... I thinks that's why it's frustrating.
>> 
>> Sent from my iPad
>> 
>>> On Jun 28, 2015, at 1:00 PM, cortina-list at lotus-cortina.com wrote:
>>> 
>>> Wink,
>>> 
>>> I can suck through it but can't blow through it. Regardless I have tried
>> the suspect valve in the good carb and it's fine.
>>> 
>>> I think Weber calls it a discharge valve.
>>> 
>>> Sent from my iPad
>>> 
>>>> On Jun 28, 2015, at 12:39 PM, cortina-list at lotus-cortina.com wrote:
>>>> 
>>>> <<<The one way jet in the bowl seems to function correctly so I'm
>> looking
>>>> for suggestions!>>>
>>>> 
>>>> That's not technically a metering jet, it's the equivalent of a foot
>> valve
>>>> and should close completely to direct gas to the jets when the pump is
>> on
>>>> the down stroke. If the one from the good carb produces the same effect
>> and
>>>> rapidly pumping doesn't build pressure the problem is not a blockage in
>> the
>>>> system it's more a leakage. You say 'seems to function correctly', how
>> are
>>>> you checking?
>>>> --
>>>> wink
>>>> 
>>>> On Sun, Jun 28, 2015 at 12:05 PM, <cortina-list at lotus-cortina.com>
>> wrote:
>>>> 
>>>>> Yes, they have a small aluminum washer to seal them.
>>>>> 
>>>>> Both carbs were taken down to the bare body, blown out, cleaned and re
>>>>> assembled with a new rebuild kit.
>>>>> 
>>>>> I went back out and took another look and the good carb builds good
>>>>> pressure in the accelerator pump and the bad carb will pump if your
>> rapidly
>>>>> push the plunger.
>>>>> 
>>>>> I switched parts back a forth between the carbs and all the parts check
>>>>> out good. It has to be a blockage that I just can't find.
>>>>> 
>>>>> John
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> Sent from my iPhone
>>>>> 
>>>>>> On Jun 28, 2015, at 11:53 AM, cortina-list at lotus-cortina.com wrote:
>>>>>> 
>>>>>> You didn't mention blowing out the accel jet itself
>>>>>> And is that the jet that has the tiny washer to seat it?
>>>>>> 
>>>>>> Andre
>>>>>> 
>>>>>> Sent from my Mindfulness
>>>>>> 
>>>>>>> On Jun 28, 2015, at 9:54 AM, cortina-list at lotus-cortina.com wrote:
>>>>>>> 
>>>>>>> One of the accelerator pumps on my Locort isn't squirting. I pulled
>> it
>>>>> apart and can't find anything wrong. The car has been sitting for over
>> 20
>>>>> years so I'm sure something is clogged or missing. I've blown out all
>> the
>>>>> passages and both check balls and weights are where they should be.
>> The one
>>>>> way jet in the bowl seems to function correctly so I'm looking for
>>>>> suggestions!
>>>>>>> 
>>>>>>> I read somewhere that there is a third check ball somewhere that
>> works
>>>>> with the jet in the bowl but I can't find it on any of the diagrams.
>>>>>>> 
>>>>>>> At this point any help would be appreciated because I almost to the
>>>>> point of keeping the top cover and throwing it off a cliff!
>>>>>>> 
>>>>>>> Thanks
>>>>>>> 
>>>>>>> John (Las Vegas)
>>>>>>> 
>>>>>>> Sent from my iPhone
>>>>>>> 
>>>>>>> Sent from my iPhone
>>>>>>> 
>>>>>>> Cortina-list mailing list
>>>>>>> Cortina-list at lotus-cortina.com
>> http://lotus-cortina.com/mailman/listinfo/cortina-list_lotus-cortina.com
>>>>>> 
>>>>>> 
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>>>>> 
>>>>> 
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>>>> 
>>>> 
>>>> 
>>>> --
>>>> 
>>>> *Winkster*
>>>> 
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>>> 
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>> 
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> 
> 
> 
> -- 
> 
> *Winkster*
> 
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