Small Engines (Lawn Mowers, etc.): Chainsaw tune-up, diaphram, low speed

Question
I have a Craftsman (Poulan) 18in. 2.6 engine chainsaw (model 359.351081) my father-in law gave me.  He could not get it to work and tried adjusting the mixture screws.  I have since, taken it apart and cleaned everything and replaced the plug but I need to know the starting point for the Hi and LO screws.  I tried to start it but no luck.  I am getting a good spark so I assume it is the mixture screws.

Answer
Hi Steve,

The high speed mixture screw is initially set at 1 & 1/2 turns out, then adjust it to give good acceleration and top speed, while not closing the screw more than you need to.  The low speed mixture screw is set at 3/4 of a turn out, then adjust to give a smooth idle.   If no help, you could rebuild the carb, adding a new diaphram.

Let me know how you make out.
Michael