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Other Topics  > Shop Talk  > Fuel lines sucking air,how to detect?  
 
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Anthony K is not online. Last active: 3/3/2011 6:39:51 AM Anthony K
Joined: 19 May 2010
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Fuel lines sucking air,how to detect?
Posted: 05/23/2010 08:07 AM
Any low tech suggestions on how to detect fuel lines sucking air,especially intermittent leaks engine speed related,and how to pinpoint those leak location,Thanks
OldMachinist is not online. Last active: 11/21/2014 8:21:45 AM OldMachinist
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Re: Fuel lines sucking air,how to detect?
Posted: 05/23/2010 10:26 AM
 It could be the pick up line is cracked in the tank or the pick up screen is clogging up. Does it do it when the fuel level drops below a certain point(cracked line)? Is the primer bulb sucked flat when it acts up(clogged pick up)?

Bobcat 453F ,Loegering steel tracks, Grouser steel tracks, 48" Dirt bucket, 48" toothed bucket, grapple bucket, 72" hydraulic vee snow plow and utility forks, 1954 Ford 860, 1952 Allis Chalmers CA, 1947 Case SC, Nashville IL USA
skidsteer.ca is not online. Last active: 7/21/2014 8:31:40 PM skidsteer.ca
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Re: Fuel lines sucking air,how to detect?
Posted: 06/08/2010 05:32 PM

Install a clear return line through the cab where the operator can monitor it. Submersing the return line in a bucket of fuel is a good stationary test. There should be no air bubbles in either case.

Ken


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