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Sprayer leaves lines. Adjusted pressure, canged

Sprayer leaves lines. Adjusted pressure, canged filters and tip. Graco 490 new in feb 09 worked perfect everyday use

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The lower ball is stuck free it

Posted on Mar 26, 2015

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The Tip is blown out that's where the lines come from-
Need to buy a new tip-

HINT- After I clean out any Airless tip I like to put them in a new metal Quart can filled about half way with Lacquer Thinner-
I do that with all my everyday Reversa Tips and flat tips.

Perry Tradesman

Posted on Mar 16, 2015

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Needs good cleaning and air mix adj

Posted on Aug 03, 2009

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Posted on Jan 02, 2017

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Line starts wide then gets norrow.does good spraying thin products . Ian using a 319 tip. Could the paint be to thick for a 3.19

This sounds like a loss of pressure after you first pull the trigger, if that's it, your filter is likely to be full; its the tall stainless steel cylinder on the right side of the sprayer when you look forward. The filter comes out with the big knob on the top. When you have cleaned it out, or replaced it with a new one, when you screw it back, it only has to be hand tight

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It could be something as simple as you have the pressure turned down so low it won't appear to be working try to turn the pressure up and see what happens.
The worst thing could be you did not clean the sprayer out properly and now the paint has dried and the shaft is frozen to the packings and the other internal parts of the your sprayer.

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1 Answer

Graco ultimate max11 490 paint sprayer does anyone know how it works because i have no instructions

Here you can find manuals for your Graco sprayer:

Michael '

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