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PACKO


Joined: Nov 19, 2008
Points: 70

Primer question
Original Message   Dec 19, 2013 12:59 am
I picked up a Toro Powerlite  3HP last year and i replaced the spark plug, belt, scraper and paddles.  This season its hard to start.  It has a carb with a float bowl which I removed and cleaned out along with the float needle.  Can someone tell me exactly how the primer works since it only has one hose and it goes to the carb.
How does it pump gas into the carb?  I'm not sure mine is working. 
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Shryp


Location: Cleveland, OH
Joined: Jul 26, 2010
Points: 532

Re: Primer question
Reply #1   Dec 19, 2013 6:17 am
The primers I have seen just push a shot of air into the carb. That air pressure pushes a bit of gas from the bowl out  the venturi. It basically does the same thing as spraying a squirt of gas into the choke / air intake.
mkd55


Location: wisconsin
Joined: Dec 16, 2005
Points: 155

Re: Primer question
Reply #2   Dec 28, 2013 12:17 pm
pacho I just bought a new ariens with a primer and the instructions say to push and hold in for 1 second between pumps and to pump the bulb three times for a cold engine. all the years I've had primer bulbs I never did that! just three or four quick blasts and go!
This message was modified Dec 28, 2013 by mkd55
friiy


Location: Las Vegas, The Desert
Joined: Apr 12, 2008
Points: 600

Re: Primer question
Reply #3   Dec 28, 2013 10:48 pm
It is plumbed into/ or is the bowl vent, when you push a blast of air into the bowl the air pressure forces fuel thru the main jet into the carb.
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