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Author Topic: Choke Pull Off Vacuum Amount  (Read 3194 times)

Offline firebird_fast

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Choke Pull Off Vacuum Amount
« on: July 15, 2013, 12:37:29 PM »
Hi, what is the correct amount of vauum I should see when I test the choke pull off?  Thanks.
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Offline Shark Racer

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Re: Choke Pull Off Vacuum Amount
« Reply #1 on: July 15, 2013, 06:23:41 PM »
Pump it up until the arm is completely retracted. At that point, it should hold vacuum.
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Offline firebird_fast

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Re: Choke Pull Off Vacuum Amount
« Reply #2 on: July 16, 2013, 06:23:49 AM »
I'll give it a shot, thanks.
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Offline Ethan1

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Re: Choke Pull Off Vacuum Amount
« Reply #3 on: July 16, 2013, 04:05:28 PM »
Quote from: Shark Racer on July 15, 2013, 06:23:41 PM
Pump it up until the arm is completely retracted. At that point, it should hold vacuum.

 I agree with, Steve. At least, that is the way I check them.
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Ethan

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Offline Cliff Ruggles

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Re: Choke Pull Off Vacuum Amount
« Reply #4 on: July 22, 2013, 05:09:47 AM »
Just compress the unit and hold your finger over the supply.  If it doesn't hold it's not any good.  They used a lot of different pull-offs, which require different amounts of vacuum to fully apply them. 

Some later units have a "bleed-off" hole in them, so they will always fail a vacuum test. Make sure to hold a finger over that hole as well when testing them.....Cliff
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