Small Engines (Lawn Mowers, etc.): gas line routing for husqvarna sting trimmer, string trimmer, gas tank

Question
How does the gas line go on a husqvarna 21Lcn string trimmer.Primer bulb has two nipples for line one smaller than the other.out of gas tank two lines.one smaller than the other.Bottom of carb,two nipples.Both appear to be the same size.which nipple on bottom of carb does the small line from the tank go on and which line goes to primer? From there maybe I can fiqure out.The carb is covered by plastic housing and is a pain to get back on wout pulling lines back off. Please help!! I am ready to throw it under the train!!

Answer
 Hello Belynda:

 Send me the Model Numbers Off the Trimmer, Please. With these I can Locate the Proper Manual and Better Assist you. Without Seeing the Breakdown/IPL and Knowing which Carburetor is on this Trimmer, I can't be of Much Assistance. Thanks.

 Respectfully

 John